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Assessment of the Mouth

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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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Updated: Jun 22, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Differences in masticatory function of subjects with different closing path.

Yoshinori Kobayashi¹, Hiroshi Shiga, Masaoki Yokoyama

¹Department of Partial and Complete Denture, School of Life Dentistry at Tokyo, The Nippon Dental University, Chiyoda-ku, Tokyo, Japan. y-kobaya@ndu.ac.jp

Journal of Prosthodontic Research

|May 26, 2009

Summary

This summary is machine-generated.

This study found that a convex closing path in chewing (Group I) demonstrates superior masticatory function compared to a concave closing path (Group II). This indicates significant differences in muscle activity and chewing efficiency between the two masticatory path patterns.

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Area of Science:

Biomechanical Engineering
Dental Science
Human Physiology

Background:

Masticatory function is crucial for nutrient intake and overall health.
Understanding masticatory path patterns can reveal insights into efficient chewing mechanics.
Previous research has not fully elucidated functional differences between convex and concave closing paths.

Purpose of the Study:

To investigate and compare masticatory function between two distinct masticatory path patterns: convex and concave closing paths.
To determine if differences in masticatory muscle activity, mandibular movement, and chewing performance exist between these two groups.
To provide a clearer understanding of the biomechanical differences in mastication.

Main Methods:

Eighty healthy subjects were analyzed for masticatory function, including muscle activity, mandibular movement, and performance.
Subjects were categorized into Group I (convex closing path) and Group II (concave closing path) based on chewing patterns.
Measurements included integrated muscle activity (masseter, temporal), gape, masticatory width, path stability indicators, and glucose extraction from gummy jelly.

Main Results:

Group I exhibited significantly higher integrated muscular activities and glucose extraction compared to Group II.
No significant differences were observed in gape or masticatory width between the two groups.
Indicators of movement path stability were lower in Group I than in Group II, suggesting a more stable path in Group II.

Conclusions:

A convex closing path (Group I) is associated with superior masticatory function compared to a concave closing path (Group II).
The findings suggest distinct functional adaptations and efficiencies related to different masticatory path patterns.
This research highlights the importance of masticatory path morphology in overall chewing effectiveness.