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Assessment of the Mouth

Assessment of the Mouth

A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.

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Related Experiment Video

Updated: Oct 23, 2025

Detection and Removal of Tooth-Colored Composite Resin Using the Fluorescence-Aided Identification Technique

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Published on: July 27, 2022

In-office bleaching protocols using violet LED: A split mouth case report.

Bianca Rossi de Souza¹, Andrea Dias Neves Lago², Leila Soares Ferreira³

¹Ibirapuera University. Av Interlagos 1329 Chácara Flora, São Paulo, SP, Brazil, 04661-100.

Photodiagnosis and Photodynamic Therapy

|August 24, 2021

Summary

Violet LED (VL) light offers a new approach to in-office dental bleaching. This study found no significant difference in whitening results or patient sensitivity between renewing the bleaching gel and keeping it unchanged during VL treatment.

Keywords:

Hydrogen peroxide In-office dental bleaching LED Sensitivity Violet light

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Last Updated: Oct 23, 2025

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Published on: July 27, 2022

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Published on: May 9, 2022

Area of Science:

Dentistry
Photochemistry
Biomaterials

Background:

Violet LED (VL) light, with wavelengths between 405-410 nm, is a novel technology for in-office dental bleaching.
Compared to blue LED systems, VL photons possess higher energy and align with the absorption peaks of stained particles, facilitating whitening through a physical process.

Observation:

This split-mouth case report investigated two distinct dental bleaching protocols using VL light on a single patient.
One protocol involved renewing the 35% hydrogen peroxide bleaching gel every 8 minutes, while the other maintained the gel without renewal throughout the session.
Both protocols utilized VL irradiation (405 nm ± 10 nm) for 24 minutes per session, with two sessions conducted one week apart.

Findings:

The study observed no discernible difference in the final tooth color outcome between the two VL bleaching protocols.
Patient sensitivity levels were also comparable between the gel renewal and non-renewal groups.

Implications:

These findings suggest that the frequency of bleaching gel renewal may not significantly impact the efficacy or patient experience of violet LED dental bleaching.
Further research with larger sample sizes is warranted to validate these preliminary results and optimize VL bleaching protocols.