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The 17 Year Smile: Can Composite Resin Bonding Really Last a Lifetime?

By Dr Terry Wong B.SC (HONS) MELB, B.D.SC (MELB)
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Seventeen years ago, a patient sat in Dr. Terry Wong’s Melbourne clinic with a fractured tooth and a dilemma. The options: an invasive crown or something that, at the time, many in the dental profession regarded as a short-term fix: composite resin bonding. The patient chose the latter, largely because of Wong’s confidence in his technique. Fast-forward to March 2025 and that same repaired tooth is still intact, functional, and aesthetically impressive, defying conventional wisdom on the longevity of composite restorations.

Dr. Wong, a pioneer in composite resin bonding in Australia, has spent decades refining a method that challenges traditional cosmetic dentistry. While composite bonding is often dismissed as a temporary solution—expected to last five to ten years before requiring replacement—Wong’s approach has proven that, with the right technique, composite bonding can rival even porcelain restorations.

The Secret Behind the Longevity

Conventional bonding methods involve layering composite resin onto the tooth, often in a way that leaves it susceptible to chipping and staining. Wong’s technique, however, is different. “It’s not just about placing the material; it’s about understanding how it integrates with the tooth,” he explains. His approach involves meticulous layering, a refined finishing process, and precise control over occlusion—the way teeth meet when biting—to prevent premature wear.

Another factor is the composite itself. The materials used today are far superior to those available in the early 2000s, yet Wong’s 2008 case study suggests that technique plays a more significant role than material advancements alone. “If bonding fails early, it’s not because the material isn’t good enough—it’s usually because it wasn’t placed optimally,” he says.

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A Challenge to Traditional Cosmetic Dentistry

Porcelain veneers and crowns have long been considered the gold standard for smile makeovers. They’re durable, stain-resistant, and widely promoted as the best long-term solution. But they come with drawbacks—high cost, irreversible enamel removal, and the risk of needing replacement every 10 to 15 years.

Composite bonding, by contrast, is minimally invasive and significantly more affordable. Yet, for years, dentists have cautioned patients that bonding stains easily, chips frequently, and isn’t a viable long-term option. Wong’s work challenges these assumptions. His 16-year case study shows that, when done correctly, composite bonding can stand the test of time.

Feature 

Composite Bonding (Dr. Wong’s Method) 

Porcelain Veneers 

Dental Crowns 

Longevity 

15+ years (proven case: 16 years) 

10-15 years 

10-20 years 

Tooth Preservation 

Minimal to no enamel removal 

Requires enamel removal 

Significant tooth reduction 

Cost 

Lower 

High 

Highest 

Stain Resistance 

High with proper finishing 

Very high 

Very high 

Repairability 

Easily repaired in-office 

Requires full replacement 

Requires full replacement 

Invasiveness 

Minimally invasive 

Moderately invasive 

Highly invasive 

Aesthetic Quality 

Natural and customisable 

Highly aesthetic but irreversible 

Natural-looking but requires reshaping 

Treatment Time 

Often completed in one session 

Multiple visits required 

Multiple visits required 

 

This comparison highlights why composite bonding, particularly with Wong’s refined technique, is an increasingly viable alternative to more invasive procedures.

What This Means for Patients

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Long-lasting results:

Dr. Wong’s case study proves composite bonding can remain intact for 16+ years with the right technique.

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Minimally invasive:

Unlike veneers and crowns, composite bonding preserves natural tooth enamel.
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Cost-effective:

A more affordable cosmetic dentistry option without sacrificing aesthetics or durability.
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Quick treatment:

Many cases can be completed in a single visit, unlike veneers and crowns that require multiple appointments.
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Easily repairable:

Bonding can be touched up and adjusted over time without full replacement.
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Ideal for dental anxiety sufferers:

No drilling or tooth reshaping makes it a less intimidating option.
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Sustainable choice:

Reduces long-term tooth damage and waste from replacement procedures.

The implications of Wong’s findings are significant, particularly for patients seeking cosmetic enhancements without irreversible alterations to their natural teeth.

Longevity of Composite Bonding

A well-placed composite restoration can be maintained with regular check-ups, professional polishing, and minor touch-ups if needed. “If a bonded tooth lasts 17 years, or even longer, at a fraction of the cost and without shaving down healthy enamel, why wouldn’t we consider it a first-line treatment?” Wong asks.

Drill Free

For patients with dental anxiety, the ability to achieve a long-lasting smile without the need for invasive procedures is a major advantage. The prospect of avoiding drilling, tooth reduction, and lengthy procedures makes composite bonding an appealing choice for those hesitant about traditional cosmetic dentistry.

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Affordability of Resin Tooth Bonding

Additionally, the cost-effectiveness of composite bonding means that high-quality cosmetic dentistry is more accessible. While veneers and crowns can cost thousands per tooth, composite bonding provides a more affordable solution without compromising on aesthetics or durability. This affordability makes it a particularly attractive option for younger patients who may want to enhance their smiles without committing to irreversible procedures.

Easy to Repair

Patients who prioritise sustainability and minimal intervention in healthcare may also find composite bonding to be a superior choice. Unlike veneers or crowns, which often require eventual replacement and additional enamel removal, bonding allows for adjustments and repairs over time, reducing the long-term impact on the natural tooth structure.

Why Composite Bonding Deserves More Attention

Despite its advantages, composite bonding remains underutilised, largely due to outdated perceptions within the dental community. Wong hopes that sharing long-term case studies like his 2008 patient’s smile will shift the conversation. His technique is already influencing the next generation of dentists—he lectures on his method at universities, emphasising that proper bonding isn’t a shortcut, but a skill that requires precision and experience.

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The Future of Composite Bonding

As materials continue to evolve, the potential for even longer-lasting composite restorations grows. However, Wong believes the key to longevity isn’t just better resin. It’s better technique. His work demonstrates that, in the right hands, composite bonding is more than a quick fix. It’s a durable, aesthetic, and minimally invasive alternative to traditional restorations.

To spread the word and the knowledge, Dr Wong lectures on his pioneering techniques at universities Australia wide.

For patients considering cosmetic dental work, the message is clear: don’t dismiss composite bonding based on outdated assumptions. If resin bonding from 2008 can still look pristine in 2025, the real question isn’t whether bonding can last. It’s whether we’ve been underestimating it all along.

Frequently Asked Questions

What is composite resin bonding?

Composite resin bonding is a minimally invasive cosmetic dental procedure that involves applying a tooth-coloured resin to repair or enhance the appearance of teeth.

How much does composite resin bonding cost?

Costs vary depending on the complexity of the case, but it is generally more affordable than porcelain veneers or crowns.

How long does composite resin bonding last?

With the right technique and maintenance, composite bonding can last 15+ years, as demonstrated in Dr. Wong’s 16-year case study.

Can you whiten composite resin bonding?

You can whiten resin bonding by polishing or replacement if discolouration occurs, but it does not respond to traditional whitening treatments.

Is composite resin bonding better than veneers?

It depends on the patient’s needs. Bonding is more affordable and less invasive, whereas veneers provide longer-lasting stain resistance but require enamel removal.

Can composite resin bonding be repaired?

Yes, bonding can be easily repaired or adjusted without replacing the entire restoration.
About the Author, Dr Terry Wong
Dr Terry Wong attained his dental degree from Melbourne University in 1987. Over his 37-year career, he has pursued extensive training, including POS Orthodontics, porcelain veneer training at The Las Vegas Institute for Advanced Dental Studies, and composite resin bonding training at the Fahl Institute of Dental Art & Science in Brazil.

He lectures in Aesthetic Dentistry at Melbourne University and teaches postgraduate dental students advanced techniques in composite resin bonding. Since 2004, he has conducted lectures and hands-on programs for dentists to refine their skills in composite resin and frequently speaks internationally throughout Asia and New Zealand.

As a recognised Key Opinion Leader for Ivoclar, Coltene, and FASTBRACES®, Dr Wong combines his passion for clinical dentistry with teaching and mentoring. He is a Senior Master Provider and Speaker for FASTBRACES®, having practised and taught the technique globally. His new Blackburn clinic is designed as both a centre for patient care and an educational hub for dentists.