Composite Resin Restorations
The clinical signature of Dr. Ronaldo Hirata — high-performance composites with a proprietary technique and natural aesthetics.
Composite resin restorative dentistry is where KI has its root. Dr. Ronaldo Hirata is a world reference in the field, author of "Recipes for Composite Restorations" (Quintessence Publishing) and Assistant Professor of Biomaterials at NYU College of Dentistry.
Modern composite resin, when properly indicated and layered, delivers aesthetic results comparable to ceramics in many cases — with lower biological cost and greater tooth preservation.
Each restoration is planned to respect the tooth's original anatomy, color and texture. The proprietary technique developed at KI prioritizes layering, opacities and optical effects that reproduce how light behaves in natural enamel.
Who it is for
- —Anyone with cavities or old restorations that need to be redone.
- —Anyone with small fractures, cracks or wear in the aesthetic zone.
- —Anyone who wants to close diastemas (spaces between teeth) without reducing tooth structure.
- —Anyone seeking a conservative alternative to ceramic veneers in selected cases.
How we work at KI
Diagnosis and shade mapping
Clinical photography and analysis of saturation, chroma and translucency of the adjacent tooth.
Absolute isolation
Rubber dam for strict moisture control and better adhesion.
Anatomic layering
Dentin and enamel layers reproducing the natural tooth structure.
Characterization
Internal effects (mamelons, halo, opacifications) when indicated for maximum naturalness.
Finishing and polishing
A fundamental step. Without proper polishing, there is no gloss, texture or longevity.
Frequently asked questions
Is composite resin as aesthetic as ceramic?
In many cases, yes. With proper technique and material, the aesthetic result is excellent. Ceramics still have an advantage in cases of major color and shape changes.
How long does a composite restoration last?
Well-executed composite restorations last many years, depending on technique, material, occlusion and hygiene.
Does composite resin darken over time?
It can undergo small surface color changes over the years, usually corrected with polishing at maintenance visits.
Do I need tooth reduction for a composite restoration?
Only decayed tissue or old restorations are removed. In many aesthetic cases the restoration is additive, with no reduction.
Why is Dr. Ronaldo Hirata a world reference in composites?
Dr. Hirata authored "Recipes for Composite Restorations", an international reference, is Professor of Biomaterials at NYU and teaches worldwide on the topic.
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