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Veneer

Veneer

Veneer refers to a thin sheet of wood, typically produced to a thickness of about one-eighth of an inch or less. This material is crafted through various methods, the most common being rotary cutting. In this process, a log is mounted into a large lathe and spun against a knife edge, peeling off a continuous strip of wood as the knife penetrates deeper into the rotating log, creating a rotary-cut veneer.
Other veneering techniques include plain-slicing, quarter-slicing, and rift-slicing. These...

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Pink-White Esthetic Optimization in Excessive Gingival Display Using Crown Lengthening and Direct Composite

Nihangma Patangwa¹, Sanjay Kumar Sah¹

¹Prosthodontics Unit, Department of Dental Surgery, Bir Hospital, National Academy of Medical Sciences, Kathmandu, Nepal, nams.org.np.

Case Reports in Dentistry

|June 1, 2026

Summary

This study presents a minimally invasive approach for gummy smiles using direct composite veneers after esthetic crown lengthening. The protocol improved smile aesthetics and preserved tooth structure, offering a viable alternative to traditional methods.

Keywords:

dental proportion esthetic rehabilitation minimally invasive restoration surgical crown lengthening

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Area of Science:

Dentistry
Restorative Dentistry
Periodontics

Background:

Excessive gingival display, often due to altered active eruption (AAE) and altered passive eruption (APE), negatively impacts smile aesthetics.
Conventional treatments for gummy smiles involve invasive crown lengthening and restorations, with limited evidence for minimally invasive options.

Purpose of the Study:

To describe a minimally invasive restorative protocol using direct nanocomposite veneering after esthetic crown lengthening.
To evaluate the outcomes of this approach on pink esthetic score (PES) and white esthetic score (WES).

Main Methods:

Two patients with gummy smiles, microdontia, and spacing underwent esthetic crown lengthening (gingivectomy and ostectomy).
A 3-month healing period followed, allowing soft tissue maturation.
Minimally invasive direct veneering with bioactive nano-hybrid composite was performed.

Main Results:

The protocol successfully improved both pink and white esthetic scores.
Tooth structure was preserved, and periodontal health was maintained.
At 24 months, minor chipping and mild gingival inflammation were noted, with stable gingival levels.

Conclusions:

Minimally invasive direct nanocomposite veneering following esthetic crown lengthening is an effective option for gummy smiles.
This approach achieves favorable esthetic results while preserving tooth structure and periodontal health.
Long-term data on color stability and restorative complications are needed.