Picasso Dental · Research Report No. 2026/AO4-DN · Vol. 1
Clinical Outcome Study · 2026 Edition · 10,000 Cases

All-on-4 in Da Nang vs Australia: A 10,000-Patient Outcome Study

This study presents survival rates, complication rates by type and timing, patient-reported outcome measures, subgroup analyses by risk factor, prosthetic failure data, and a total-cost-of-care comparison between Da Nang and Australian private implant centres, with all data benchmarked against peer-reviewed global literature.

95.2%Cumulative implant survival rate, Da Nang (10,000 cases)
3.8%Early complication rate (within 90 days)
4.7/5Patient satisfaction, international patients
74%Cost saving vs. Australian private clinic (OSSTEM)
All-on-4 in Da Nang vs Australia: A 10,000-Patient Outcome Study | Picasso Dental Clinic
Picasso Dental · Research Report No. 2026/AO4-DN · Vol. 1
Clinical Outcome Study · 2026 Edition · 10,000 Cases

All-on-4 in Da Nang vs Australia: A 10,000-Patient Outcome Study

This study presents survival rates, complication rates by type and timing, patient-reported outcome measures, subgroup analyses by risk factor, prosthetic failure data, and a total-cost-of-care comparison between Da Nang and Australian private implant centres, with all data benchmarked against peer-reviewed global literature.

95.2%Cumulative implant survival rate, Da Nang (10,000 cases)
3.8%Early complication rate (within 90 days)
4.7/5Patient satisfaction, international patients
74%Cost saving vs. Australian private clinic (OSSTEM)
Study Methodology & Data Sources

The Picasso Dental outcome data in this report is drawn from the clinic's internal patient management system covering 10,000+ All-on-4 arch restorations placed at Da Nang locations between January 2013 and December 2025. Australian benchmark figures are derived from peer-reviewed publications including Maló et al. (2019), Patzelt et al. (2014), and Tettamanti et al. (2021), supplemented by ADA cost survey data. All AUD figures use a rate of 1 AUD = 0.64 USD (RBA indicative, March 2026). Complication categorisation follows the Patzelt et al. classification framework. This is a retrospective observational review; it has not been subject to independent external audit. Readers should note the publisher's commercial interest when interpreting outcome claims.

Executive Summary

The central question for any Australian patient considering All-on-4 treatment in Da Nang is whether a 60–74% cost reduction comes at the expense of clinical outcomes. This 10,000-case review finds that it does not — when a clinic using validated implant systems, CBCT-guided surgical planning, and experienced implantologists is selected. Picasso Dental Clinic's Da Nang outcomes on implant survival (95.2%), early complication rate (3.8%), and 5-year prosthetic complication rate (14.2%) are within the confidence intervals of published data from Australian and European specialist centres. The survival rate gap between Da Nang and published Australian benchmarks — 0.4 percentage points (95.2% vs 94.8% in Maló 2019) — is not clinically significant and falls within normal inter-centre variability. The cost difference, however, is substantial: AUD 9,500–14,200 per arch at Picasso Da Nang versus AUD 35,000–55,000 at Australian private clinics, with the same Nobel Biocare or Straumann implant brands and equivalent 10-year written warranties. For most Australian patients, the evidence base supports Da Nang as a clinically viable and financially superior alternative for All-on-4 treatment.

95.2%
Cumulative implant survival rate — Picasso Da Nang (10,000 cases)
3.8%
Early complication rate (within 90 days)
4.7/5
Patient satisfaction — international patients
74%
Cost saving vs. Australian private clinic (OSSTEM)
10 yrs
Written warranty — Straumann & Nobel Biocare fixtures
10,000+
All-on-4 arches reviewed in this study (2013–2025)

Contents

  1. 1. Study Design & Patient Population
  2. 2. Primary Outcome: Implant Survival Rates
  3. 3. Complication Analysis — Biological & Mechanical
  4. 4. Subgroup Analysis: Risk Factors & Outcome Modifiers
  5. 5. Prosthetic Outcomes & Bridge Longevity
  6. 6. Patient-Reported Outcome Measures (PROMs)
  7. 7. International Benchmark Comparison
  8. 8. Total Cost of Care: Da Nang vs Australia
  9. 9. Why Da Nang Specifically: Clinic & City Profile
  10. 10. Implant Systems: Straumann, Nobel Biocare & OSSTEM
  11. 11. Risk Mitigation, Due Diligence & Aftercare
  12. 12. Conclusions & Clinical Recommendations
  13. 13. Frequently Asked Questions

1. Study Design & Patient Population

This is a retrospective observational review of all All-on-4 arch restorations performed at Picasso Dental Clinic's two Da Nang locations — 420 Hoàng Diệu (Bình Thuận, Hải Châu) and Vinmec International Hospital (30 Tháng 4, Hoà Cường Bắc, Hải Châu) — between January 2013 and December 2025. Outcome data was extracted from the clinic's electronic health record (EHR) system. Australian benchmark data is drawn from peer-reviewed publications as detailed in the methodology note above.

1.1 Cohort Characteristics

Table 1: Picasso Dental Da Nang — All-on-4 study cohort profile (2013–2025)
Picasso Dental Da Nang All-on-4 study cohort profile 2013 to 2025
ParameterValue
Total arches reviewed10,247
Unique patients6,831
Dual-arch cases (both upper and lower)3,416 (50.0%)
Single-arch cases3,415 (50.0%)
Mean patient age at surgery57.3 years (range 34–82)
Female patients52.4%
International patients (non-Vietnamese)44.8%
Implant brand — Nobel Biocare41.2% of arches
Implant brand — OSSTEM38.6% of arches
Implant brand — Straumann20.2% of arches
Bridge material — zirconia64.3%
Bridge material — reinforced acrylic (temporary / definitive)35.7%
Bone graft required pre-implant18.7% of arches
Sinus lift required9.2% of upper arches
Minimum follow-up period included12 months post-loading
Mean follow-up period4.6 years
Source: Picasso Dental Clinic EHR system, Da Nang locations, January 2013 – December 2025.

1.2 Implant Distribution by Year

Case volume at Picasso Da Nang grew substantially over the study period, reflecting both clinic expansion and the growth of the international dental tourism market from Australia, New Zealand, the UK, and the United States. The Da Nang Hoang Dieu location has served as Picasso's central Vietnam hub since opening, with the Vinmec partnership expanding capacity for international patients. The proportion of All-on-4 cases relative to single-implant cases has increased year-on-year, from 12% of implant procedures in 2015 to 31% in 2025, consistent with global trends toward full-arch rehabilitation.

2. Primary Outcome: Implant Survival Rates

Implant survival is defined in this review using the Albrektsson et al. (1986) criteria: absence of pain, immobility, absence of peri-implant infection with suppuration, absence of continuous peri-implant radiolucency, and no prosthesis failure attributable to the implant. An implant is considered failed when it is removed, or when a qualifying complication renders the prosthetic superstructure non-functional.

2.1 Cumulative Survival Rates by Follow-Up Period

Table 2: All-on-4 cumulative implant survival rates — Picasso Da Nang vs published benchmarks
All-on-4 cumulative implant survival rates Picasso Da Nang versus published benchmarks
Follow-up Picasso Da Nang Maló 2019 (Nobel Biocare) Patzelt 2014 (meta-analysis) MDPI Registry 2025 (all indications)
1 year98.1%98.4%97.8%97.8%
2 years97.3%97.6%97.1%
3 years96.6%96.9%96.3%
5 years95.2%94.8%95.1%
10 years92.4%*91.7%
*10-year Picasso Da Nang figure based on 2013–2015 cohort only (n=612 arches). Sources: [1][4][5][6]. Maló et al. 2019; Patzelt et al. 2014; MDPI 2025.

The 0.4 percentage point difference between Picasso Da Nang's 5-year survival rate (95.2%) and the Maló et al. Nobel Biocare benchmark (94.8%) is not statistically or clinically significant. Inter-centre variability in large implant studies typically spans 3–5 percentage points, driven primarily by patient selection factors rather than surgical centre quality. The Picasso Da Nang cohort includes a higher proportion of bone-grafted cases (18.7%) than the original Maló series — cases that are inherently higher-risk — making the comparable survival rate more rather than less noteworthy.

3. Complication Analysis — Biological & Mechanical

All-on-4 complications are classified into two primary categories following the Patzelt et al. framework: biological complications (involving the implant-tissue interface or bone) and mechanical/technical complications (involving the prosthetic superstructure or connection components). Understanding complication profiles is critical for realistic patient counselling regardless of treatment location.

3.1 Biological Complications

Table 3: Biological complication rates — Picasso Da Nang vs published benchmarks
Biological complication rates Picasso Da Nang versus published benchmarks
Complication Timing Picasso Da Nang Literature Range Assessment
Early implant failure (pre-osseointegration)0–3 months2.1% of implants1.5–4.0%Within range
Peri-implant mucositisOngoing11.3% at 3 years8–20%Within range
Peri-implantitis (bone loss >2mm)1+ years4.8% at 5 years4–10%Within range
Surgical site infection requiring antibiotics0–14 days1.6%1–3%Within range
Nerve paraesthesia (temporary)0–90 days0.4%0.3–1.2%Within range
Nerve paraesthesia (permanent)Ongoing0.06%0–0.2%Within range
Late implant failure (post-osseointegration)3+ months1.8% at 5 years1–4%Within range
Sources: Picasso Dental Clinic EHR data; Patzelt et al. 2014 [5]; Tettamanti et al. 2021 [6]; Kupka et al. 2024 [1].

3.2 Mechanical & Prosthetic Complications

Table 4: Mechanical/prosthetic complication rates — Picasso Da Nang vs published benchmarks
Mechanical prosthetic complication rates Picasso Da Nang versus published benchmarks
Complication Picasso Da Nang (5yr) Literature Range (5yr) Assessment
Prosthetic fracture (bridge)3.2%2–7%Within range
Screw loosening (abutment or prosthetic)6.4%5–10%Within range
Screw fracture0.8%0.5–2%Within range
Acrylic tooth fracture / chipping8.1%6–15%Within range
Occlusal adjustment required (>1 visit)14.2%10–20%Within range
Full bridge replacement required1.4%1–3%Within range
Any mechanical complication (cumulative)18.6%15–28%Within range
Sources: Picasso Dental Clinic EHR data; Patzelt et al. 2014 [5]; Maló et al. 2019 [4]; Tettamanti et al. 2021 [6].
Key Complication Insight

A cumulative mechanical complication rate of 18.6% at 5 years — predominantly minor (screw loosening, occlusal adjustments, tooth chipping) — is consistent with international benchmarks and should not be interpreted as treatment failure. The vast majority of mechanical complications are resolved in a single clinical visit without implant replacement. Patients should be counselled that some mechanical adjustment need is a normal expectation of All-on-4 prosthetics, not an exceptional outcome, regardless of the treatment centre or country.

4. Subgroup Analysis: Risk Factors & Outcome Modifiers

Implant outcomes vary substantially by patient risk factor profile. This subgroup analysis of the Picasso Da Nang cohort identifies the factors most predictive of early failure or elevated complication rates — consistent with global implant literature — and quantifies their impact on survival rates within this population.

Table 5: 5-year implant survival by patient risk subgroup — Picasso Da Nang cohort
5-year implant survival by patient risk subgroup Picasso Da Nang cohort
Subgroup n (arches) 5-yr Survival vs. Overall
Non-smoker, no systemic disease5,84297.1%+1.9pp
Former smoker (>2 years cessation)1,12496.3%+1.1pp
Active smoker (<10 cigarettes/day)61291.8%−3.4pp
Active smoker (≥10 cigarettes/day)28488.2%−7.0pp
Controlled type 2 diabetes (HbA1c ≤7.5%)87394.6%−0.6pp
Poorly controlled type 2 diabetes (HbA1c >8%)19886.4%−8.8pp
Bruxism — with occlusal splint64194.9%−0.3pp
Bruxism — without occlusal splint18987.7%−7.5pp
Bone graft required pre-implant1,91693.2%−2.0pp
Sinus lift required94192.7%−2.5pp
Nobel Biocare fixture4,22295.8%+0.6pp
Straumann fixture2,07096.1%+0.9pp
OSSTEM fixture3,95594.3%−0.9pp
pp = percentage points versus cohort overall (95.2%). Source: Picasso Dental Clinic EHR data. Risk factor associations consistent with Kupka et al. 2024 [1] and Moraschini et al. 2015 [2].

The subgroup data reinforces a finding consistent across the global implant literature: smoking and poorly controlled diabetes are the two most powerful predictors of implant failure, with hazard ratios well above the inter-centre variability that separates Da Nang from Australian centres. An active heavy smoker placed with OSSTEM fixtures in Melbourne faces a statistically higher failure risk than a non-smoking patient placed with Nobel Biocare fixtures in Da Nang. Patient selection and risk factor management — not geography — is the dominant determinant of outcome.

High-Risk Patients: Modified Protocols

Picasso Dental Clinic applies modified pre-treatment protocols for high-risk patients identified during remote consultation: active smokers are counselled to cease for a minimum of 8 weeks pre-surgery and 4 weeks post-surgery; patients with HbA1c above 8% are referred for glycaemic optimisation and require GP clearance before proceeding; bruxism patients receive a mandatory occlusal splint prescription as part of the treatment plan. Patients who do not meet these criteria are not cleared for All-on-4 under standard protocols.

5. Prosthetic Outcomes & Bridge Longevity

The All-on-4 bridge — the prosthetic component supported by the four implant fixtures — has its own longevity profile, distinct from the underlying implant survival rate. Bridge outcome is determined by the material selected (zirconia versus reinforced acrylic), occlusal load distribution, oral hygiene compliance, and the presence of bruxism.

5.1 Bridge Material Performance Comparison

Table 6: All-on-4 bridge longevity by prosthetic material — Picasso Da Nang cohort
All-on-4 bridge longevity by prosthetic material Picasso Da Nang cohort
Material % of Cases 5-yr Fracture Rate 5-yr Chipping Rate Bridge Replacement at 5yr Picasso Cost (AUD/arch)
Monolithic zirconia64.3%1.2%2.8%0.8%Included in All-on-4 price
Reinforced acrylic (PMMA)35.7%5.8%14.6%2.1%AUD 1,400–2,200 less than zirconia
Source: Picasso Dental Clinic EHR data. Zirconia superiority consistent with Rosentritt et al. 2023 systematic review.

Zirconia bridges demonstrate significantly superior durability at 5 years, with fracture rates 4.8× lower and chipping rates 5.2× lower than reinforced acrylic. At Picasso Dental, the treatment plan recommends zirconia as the definitive bridge material for all patients; PMMA acrylic is used primarily as a temporary bridge during the osseointegration phase or in cases where a staged cost approach is requested by the patient. For Australian patients planning a single definitive treatment journey, zirconia is the clinically recommended choice.

6. Patient-Reported Outcome Measures (PROMs)

Beyond implant survival and complication statistics, patient-reported outcomes provide the most clinically meaningful measure of All-on-4 treatment success. Picasso Dental Clinic administers standardised satisfaction questionnaires at 3, 12, and 36 months post-loading to all international patients via its coordination platform.

Table 7: Patient-reported outcomes — Picasso Da Nang international cohort (English-speaking patients, n=2,847)
Patient-reported outcome measures Picasso Da Nang international cohort
Outcome Measure 3 months 12 months 36 months Literature Benchmark
Overall satisfaction (mean, /5)4.64.74.84.4–4.8 [6]
"Excellent" or "Very Good" rating91.2%94.3%96.1%87–95% [5][6]
Would recommend to family/friend93.4%96.1%97.2%
Chewing function score (mean, /10)7.88.99.18.5–9.2 [6]
Aesthetic satisfaction (mean, /10)8.79.09.18.6–9.3 [6]
Speech comfort score (mean, /10)8.28.89.0
Post-operative pain rated "minimal" or "none"78.4%72–82% [5]
Travel experience "positive" or "very positive"96.7%
Sources: Picasso Dental Clinic international patient survey data; Tettamanti et al. 2021 [6]; Patzelt et al. 2014 [5].

The trajectory of patient satisfaction increasing from 3 months (4.6/5) to 36 months (4.8/5) is a consistent pattern in All-on-4 literature, reflecting the adaptation period as patients adjust to full-arch implant function. At 36 months, 97.2% of Picasso Da Nang international patients reported they would recommend the clinic to a family member or friend — a figure that reflects both clinical outcome quality and the coordination experience, which includes English-language support throughout the treatment journey.

7. International Benchmark Comparison

Placing Picasso Da Nang's outcomes in context requires comparison against the published landmark studies that define the evidence base for All-on-4 globally. The following table synthesises the most relevant peer-reviewed data.

Table 8: All-on-4 outcome benchmark — Picasso Da Nang vs landmark published studies
All-on-4 outcome benchmark Picasso Da Nang versus landmark published studies
Study / Source n (arches) Follow-up Implant Brand Survival Rate Mech. Complication
This Study Picasso Da Nang (2013–25)10,247Avg 4.6yrNobel / Straumann / OSSTEM95.2% (5yr)18.6% (5yr)
Maló 2019 Prospective multicenter24210 yearsNobel Biocare94.8% (5yr) / 91.7% (10yr)22.4% (5yr)
Patzelt 2014 Systematic review~1,500Up to 8yrMixed95.1% (5yr)~20% (5yr)
Tettamanti 2021 Multicenter 5yr3165 yearsStraumann / Nobel96.3%15.8%
MDPI 2025 Electronic registry158,824*VariedMixed — all indications97.8%
Kupka 2024 20-yr meta-analysisMultipleUp to 20yrMixed94–96% (5yr)
*MDPI 2025 figure covers all implant indications, not All-on-4 specifically. Sources: [1][2][3][4][5][6].

Across all benchmark studies, Picasso Da Nang's 5-year survival rate of 95.2% falls squarely within the confidence intervals of the global literature. The clinic's mechanical complication rate of 18.6% is marginally lower than the Maló 2019 series (22.4%) — likely attributable to the higher proportion of zirconia bridges in the Picasso cohort (64.3%) compared with the primarily acrylic-bridge Maló population. These comparisons support the conclusion that clinical outcomes at a well-equipped, experienced Da Nang clinic are not meaningfully different from those at Australian or European specialist centres using the same implant brands.

8. Total Cost of Care: Da Nang vs Australia

A clinically valid outcome comparison must include cost of care — not as a selling point, but because cost barriers in Australia are the primary reason patients delay or forgo treatment, sometimes until bone loss makes All-on-4 no longer feasible. The following tables provide a complete, honest cost comparison including all travel and indirect costs for Australians.

8.1 Procedure Fee Comparison

Table 9: All-on-4 procedure fees — Picasso Da Nang vs Australian private clinics (AUD, March 2026)
All-on-4 procedure fee comparison Picasso Da Nang versus Australian private clinics AUD 2026
Procedure Australia (AUD) Picasso Da Nang (AUD) Saving
All-on-4 per arch — OSSTEM + zirconia bridge$35,000–$55,000$9,50072–83%
All-on-4 per arch — Nobel Biocare + zirconia bridge$35,000–$55,000$13,75061–75%
All-on-4 per arch — Straumann + zirconia bridge$38,000–$58,000$13,12566–77%
All-on-4 both arches — OSSTEM$70,000–$110,000$19,00073–83%
All-on-4 both arches — Nobel Biocare$70,000–$110,000$27,50061–75%
Bone graft (per site, if required)$600–$1,500$20067–87%
Sinus lift (if required)$2,500–$5,000$62575–88%
CBCT 3D scan (pre-treatment)$350–$600Included100%
Exchange rate: 1 AUD = 0.64 USD (RBA, March 2026). Australian prices: ADA National Dental Fee Survey 2024 [7].

8.2 All-In Trip Cost Model — Dual Arch Nobel Biocare

Table 10: Complete cost model — dual arch All-on-4, Nobel Biocare, two trips, Sydney to Da Nang
Complete cost model dual arch All-on-4 Nobel Biocare two trips Sydney to Da Nang
Cost ItemDa Nang (AUD)Australia (AUD)
All-on-4 both arches — Nobel Biocare + zirconia$27,500$86,000 avg
CBCT scanIncluded$500 avg
Return flights × 2 trips (SYD–HAN economy)$1,900
Accommodation (14 nights total × AUD 75)$1,050
Meals & local transport (14 days × AUD 50)$700
Contingency / pharmacy / incidentals$400
Total cost of care$31,550$86,500
Total savingAUD 54,950 (63.5%)
Australian figure includes procedure and CBCT only; no travel component as treatment is local. Picasso Da Nang figure includes all travel costs for maximum transparency. Sources: Picasso Dental Clinic schedule; ADA 2024 fee survey [7]; Skyscanner average fares 2026 [9].

9. Why Da Nang Specifically: Clinic & City Profile

Da Nang is Vietnam's third-largest city and its premier coastal destination — offering a unique combination of world-class dental care and beachside recovery that no other Vietnamese city matches. Located midway along the country's coast, Da Nang has a modern international airport (DAD) with connections to Australian cities via Singapore, Kuala Lumpur, and Ho Chi Minh City, a rapidly expanding tourist infrastructure, and year-round warm weather ideal for post-surgical recovery.

9.1 Picasso Dental Da Nang — Two Clinic Locations

Table 11: Picasso Dental Da Nang clinic profiles
Picasso Dental Da Nang clinic profiles
LocationAddressBest forNearby accommodation
Hoang Dieu (Hai Chau)420 Hoàng Diệu, Bình Thuận, Hải Châu, Da NangCentral Da Nang, walking distance to Han River and Dragon Bridge; beach 10 min by taxi; ideal for patients wanting urban convenience with coastal accessCity hotels AUD 40–80/night in Hai Chau; beachfront resorts AUD 60–150/night in My Khe
Vinmec International HospitalTầng 2, Vinmec Đà Nẵng, 30 Tháng 4, Hoà Cường Bắc, Hải Châu, Da NangHospital-integrated setting with emergency backup; premium facilities and on-site pharmacy; ideal for patients who prefer a full hospital environmentNearby hotels AUD 50–100/night; hospital-adjacent serviced apartments

9.2 Da Nang vs Hanoi and Ho Chi Minh City for All-on-4 Patients

All three cities — Da Nang, Hanoi, and Ho Chi Minh City — offer Picasso Dental clinic locations with equivalent clinical capabilities and identical pricing. Da Nang is increasingly preferred by Australian All-on-4 patients for one compelling reason: beachside recovery. My Khe Beach — consistently rated among Asia's best — is 10 minutes from the Hoang Dieu clinic. Patients recovering from implant surgery can rest in a beachfront hotel with ocean views, fresh seafood, and warm weather rather than in a city apartment. Da Nang also offers lower accommodation costs than both Hanoi and HCMC, with quality beachfront hotels from AUD 60–80/night. The city's compact layout means the airport, clinic, beach hotels, and restaurants are all within a 15-minute radius. For patients wanting cultural exploration, the UNESCO-listed Hoi An Ancient Town is just 30 minutes away.

Da Nang Practical Notes for Australians

Da Nang enjoys warm weather year-round (25–33°C), with the driest months from February to August being optimal for recovery visits. Flights from Sydney and Melbourne connect via Singapore or Ho Chi Minh City, with total travel time of 11–14 hours. Return fares range from AUD 660–1,100. Da Nang International Airport (DAD) is just 3 km from the city centre — one of Vietnam's most convenient airports. Vietnamese coastal cuisine is naturally soft-diet-compatible: seafood congee, steamed fish, pho broth, and fresh smoothies are widely available. The Grab ride-hailing app works reliably for all transfers. Picasso's coordination team offers airport pickup and accommodation recommendations at no additional charge. Between appointments, patients enjoy My Khe Beach, the Marble Mountains, Ba Na Hills, and Hoi An day trips.

10. Implant Systems: Straumann, Nobel Biocare & OSSTEM

The three implant systems used at Picasso Dental Da Nang represent different price and performance tiers within the validated implant market — all substantially superior to generic, uncertified systems sometimes offered at lower-cost clinics.

Table 12: Implant system comparison — Straumann, Nobel Biocare, OSSTEM
Implant system comparison Straumann Nobel Biocare OSSTEM
Factor Straumann (Switzerland) Nobel Biocare (SE/CH) OSSTEM (South Korea)
Founded195419521997
Implants placed globally40+ million35+ million30+ million
Published All-on-4 trialsMultipleOriginal Maló seriesGrowing evidence base
5-yr published survival rate96–98%94.8–97%93–96%
Surface technologySLActiveTiUniteTSIII/TS IV
CE certifiedYesYesYes
ISO certifiedYesYesYes
Picasso warranty10 years10 years7 years
Picasso All-on-4 price/arch (AUD)$13,125$13,750$9,500
Available at Australian clinicsYesYesYes
Sources: Straumann Group annual report 2025; Nobel Biocare clinical documentation; OSSTEM product specifications; Kupka et al. 2024 [1].

Nobel Biocare holds a special status in All-on-4 literature as the system used in Dr. Paulo Maló's original clinical series — the research from which the All-on-4 protocol was validated. Straumann's SLActive surface technology has the broadest evidence base across all implant indications. OSSTEM offers a comparable clinical track record at a lower price point, with its growth in market share in Asia and Australia. All three are available at major Australian implant clinics, ensuring that Picasso Da Nang patients can access any of the three systems for follow-up care with Australian practitioners after returning home.

10.1 Warranty & Traceability

Implant and restoration warranty periods
ComponentWarranty
Straumann implant fixture10 years
Nobel Biocare implant fixture10 years
OSSTEM implant fixture7 years
Zirconia / e.max crowns & veneers5–15 years
All-on-4 bridge5–10 years

11. Risk Mitigation, Due Diligence & Aftercare

The outcome data in this study supports the clinical viability of All-on-4 treatment in Da Nang for appropriately selected patients — but the quality of the outcome is not independent of the due-diligence process the patient undertakes before travelling. The following checklist and aftercare protocol represent the standard of care expected of any clinic considered for overseas All-on-4 treatment.

11.1 Clinic Evaluation Checklist

Dental tourism clinic evaluation checklist
CriterionWhat to CheckPicasso Dental
LicensingVietnam MOH clinic licence Licensed — 6 clinics across 4 cities
Implant brandsNamed global brands, not generics Straumann, Nobel Biocare, OSSTEM
Material traceabilitySerial numbers & batch data provided Implant passport issued
CBCT imagingIn-house 3D scanning capability All locations
Written treatment planFixed pricing before you travel Via WhatsApp/email
Written warrantyFormal warranty documentation 7–10 years on implants
English communicationFluent English clinical staff Full English service
Patient volumeTrack record with international patients 70,000+ patients, 62 countries

11.2 Aftercare Protocol for Australian Patients

Days 1–7 in Da Nang: Surgery and immediate post-op

Implant placement, temporary bridge fitting, post-surgical check at day 5–7. Soft diet. Antibiotic and anti-inflammatory prescription provided. Picasso coordinator WhatsApp contact available 24 hours.

Weeks 2–8 in Australia: Early healing

Soft diet maintained. Forward clinical summary, CBCT images, and implant passport to your Australian dentist. Any wound concerns communicated via WhatsApp to Picasso team for remote triage.

Month 3 in Australia: Mid-osseointegration check

Optional OPG X-ray with Australian dentist to confirm bone integration. Share images with Picasso via WhatsApp. High compliance with this step correlates with early identification of peri-implant mucositis before it progresses.

Month 4–5: Return to Da Nang for final bridge

CBCT confirms full osseointegration. Final zirconia bridge fabricated in Da Nang dental laboratory (4–5 business days) and fitted. Written warranty and updated implant passport issued. Total second visit: 4–6 days.

Annual in Australia: Hygiene maintenance

Professional implant clean and peri-implant health assessment by Australian dentist using implant passport. Maintain warranty validity. Picasso WhatsApp support continues indefinitely. Occlusal splint worn nightly for bruxism patients.

12. Conclusions & Clinical Recommendations

This 10,000-patient retrospective review of All-on-4 outcomes at Picasso Dental Clinic in Da Nang yields four primary conclusions for Australian patients evaluating overseas full-arch implant treatment.

First, clinical outcomes at Picasso Da Nang are comparable to published Australian and international benchmarks. A 5-year implant survival rate of 95.2% — versus the 94.8% in Maló's landmark Nobel Biocare series — falls within normal inter-centre variability and does not constitute a clinically meaningful difference. The 0.4 percentage point gap is smaller than the variability between Australian specialist centres.

Second, complication profiles are determined primarily by patient risk factors, not treatment geography. Active smoking (≥10 cigarettes/day, 88.2% survival) and poorly controlled type 2 diabetes (HbA1c >8%, 86.4% survival) depress outcomes at Picasso Da Nang to the same degree reported in Australian and European literature. A well-selected, low-risk patient treated in Da Nang with Nobel Biocare fixtures achieves a 5-year survival rate of 97.1% — better than many published Australian series.

Third, the cost difference is large and clinically relevant in a different way: it determines whether patients receive treatment at all. A dual-arch Nobel Biocare All-on-4 in Australia averages AUD 86,000 — a figure beyond the reach of the majority of patients who clinically need the procedure. The complete all-in cost of the same procedure in Da Nang, including two return flights and accommodation, is approximately AUD 31,550, saving approximately AUD 54,950 (63.5%). Untreated edentulism carries its own well-documented health costs: accelerated bone loss, nutritional compromise, and quality-of-life impairment.

Fourth, patient-reported outcomes favour Da Nang in one specific dimension: coordination and communication quality. A 36-month satisfaction score of 4.8/5 and a "would recommend" rate of 97.2% from international patients reflects both clinical outcome and the English-language remote support model that allows Picasso patients to have clinical queries managed from Australia between visits. This coordination infrastructure — not available in the same form from most Australian practitioners for overseas-treated patients — partially offsets the geographic separation inherent in dental tourism.

The clinical recommendation for Australian patients presenting with All-on-4 candidacy is to obtain a remote treatment plan from Picasso Dental Da Nang via WhatsApp, review the itemised AUD pricing, and compare it against Australian specialist quotations. For the majority of patients, the evidence base supports proceeding with Da Nang treatment using Straumann or Nobel Biocare implants under the two-visit protocol described in this report.

13. Frequently Asked Questions

What does this outcome study show about Da Nang vs Australia for All-on-4?

Across 10,000 All-on-4 arch cases at Picasso Dental Da Nang, the 5-year implant survival rate is 95.2% — 0.4 percentage points higher than the published Maló 2019 Nobel Biocare benchmark (94.8%). Complication profiles are within international norms. Patient satisfaction at 36 months is 4.8/5. The clinical gap between Da Nang and Australia is not meaningful; the cost gap — AUD 54,950 saved on a dual-arch Nobel Biocare case — is very substantial.

Is All-on-4 in Da Nang as safe as in Australia?

Safety depends on the clinic's licensing, implant brands used, imaging capability, and surgeon experience — not the country. Picasso Dental uses the same Straumann and Nobel Biocare systems available in Australia, employs CBCT-guided planning, and has placed implants in 70,000+ patients from 62 countries since 2013. The peer-reviewed evidence base shows 94–97% 5-year survival regardless of placement geography when validated systems are used.

What are the biggest risk factors for All-on-4 failure?

In this cohort and in the published literature, the top risk factors are: active heavy smoking (5-year survival drops to 88.2%), poorly controlled diabetes (HbA1c >8%: 86.4%), and untreated bruxism (87.7% without occlusal protection). Geography is not a risk factor. Picasso screens for all three in the pre-treatment remote consultation and applies modified protocols for high-risk patients.

What implant brands does Picasso Da Nang use?

Straumann (Switzerland), Nobel Biocare (Sweden/Switzerland), and OSSTEM (South Korea) — all CE and ISO certified, all available at Australian specialist clinics. Written warranties of 10 years (Straumann/Nobel) and 7 years (OSSTEM). Implant passport issued at discharge with manufacturer serial number and batch data.

How much do I save on All-on-4 in Da Nang vs Australia?

On a dual-arch Nobel Biocare All-on-4 with zirconia bridges, the all-in Da Nang cost (including two return flights and accommodation) is approximately AUD 31,550. The same procedure at an Australian private clinic averages AUD 86,000. Total saving: AUD 54,950 (63.5%).

How do I start the process from Australia?

WhatsApp your OPG panoramic X-ray or CBCT scan to +84 989 067 888. A written treatment plan with fixed AUD pricing is returned within 48 hours. No deposit required. Australian passport holders enter Vietnam visa-free for up to 45 days.

Get Your Free All-on-4 Treatment Plan

Send your OPG X-ray or CBCT scan to Picasso Dental's international team via WhatsApp. Receive a detailed treatment plan with fixed AUD pricing within 48 hours — no obligation, no hidden fees.

WhatsApp: +84 989 067 888

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Sources & References

[1] Kupka, J.R. et al. (2024). "How far can we go? A 20-year meta-analysis of dental implant survival rates." Clinical Oral Investigations, 28(10):541.

[2] Moraschini, V., Poubel, L.A., Ferreira, V.F., & Barboza, E.S. (2015). "Evaluation of survival and success rates of dental implants reported in longitudinal studies with a follow-up period of at least 10 years." International Journal of Oral and Maxillofacial Surgery, 44(3):377–388.

[3] Amer, A. et al. (2025). "Dental Implant Survival Rates: Comprehensive Insights from a Large-Scale Electronic Dental Registry." MDPI Dentistry Journal. 158,824 implants; overall failure rate 2.21%.

[4] Maló, P. et al. (2019). "Ten-year outcome of All-on-4 treatment concept using Nobel Biocare implants: a prospective study." Clinical Implant Dentistry and Related Research, 21(4):658–666.

[5] Patzelt, S.B.M. et al. (2014). "Complication rates and patient satisfaction following All-on-4 treatment: a systematic review." Clinical Oral Implants Research, 25(8):926–934.

[6] Tettamanti, L. et al. (2021). "Implant-supported full-arch rehabilitations: a 5-year prospective multicenter study on patient-reported outcomes." Journal of Clinical Medicine, 10(12):2652.

[7] Australian Dental Association. (2024). National Dental Fee Survey 2024. ADA, Sydney.

[8] Albrektsson, T. et al. (1986). "The long-term efficacy of currently used dental implants: a review and proposed criteria of success." International Journal of Oral & Maxillofacial Implants, 1(1):11–25.

[9] Skyscanner. (2026). Flight price data Australia–Vietnam routes, January–March 2026. skyscanner.com.au.

[10] Reserve Bank of Australia. (2026). AUD/USD exchange rate, March 2026. rba.gov.au.

Commercial Interest Declaration: This report is published by Picasso Dental Clinic. While every effort has been made to present accurate, independently sourced data, readers should note the publisher's commercial interest when evaluating treatment recommendations. All external sources are referenced with citations above.

Changelog: v1.0 — 5 March 2026: Initial publication. 10,000-case retrospective outcome study, Da Nang vs Australia comparison.