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Anatomical Positions

Anatomical Positions

In anatomy, several standard anatomical positions are used as references for describing the position and orientation of different body parts. These positions help provide a common frame of reference when discussing anatomical structures. The anatomical position is the standard reference point for describing the body's position and orientation. In this position:
The body is upright, facing forward, and standing erect.
The feet are parallel and flat on the floor.
The arms are hanging by the...

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Updated: May 27, 2025

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

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Published on: January 13, 2023

Posture analysis during tooth extraction.

Takashi Fukushima^1,2, Keisuke Sugahara³, Kazuhiro Ito³

¹Technical University of Munich, Chair of Performance Analysis and Sports Informatics, Georg-Brauchle-Ring 60/62, 80992, München, Germany. takashi.fukushima@tum.de.

|February 17, 2025

Summary

Experienced dentists exhibit better posture during tooth extraction, with significantly lower right shoulder angles. Pose estimation technology offers a viable method for analyzing dental professional posture and preventing injuries.

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Published on: March 7, 2014

Area of Science:

Biomechanical analysis
Dental ergonomics
Computer vision applications in healthcare

Background:

Poor posture during tooth extraction can lead to operational errors and musculoskeletal injuries.
Traditional posture analysis methods are often subjective, lack quantitativeness, and face device availability issues.
Advancements in computer vision enable sophisticated kinematic analysis, yet its application in dental procedures is unexplored.

Purpose of the Study:

To analyze posture kinematics during tooth extraction utilizing pose estimation technology.
To identify key kinematic variables associated with effective and safe tooth extraction techniques.
To explore the utility of pose estimation for objective posture assessment in dental education and practice.

Main Methods:

Participants were categorized into three groups: dental students, young dentists, and experienced dentists.
Tooth extraction simulations were video-recorded for kinematic data capture.
Pose estimation software was employed to extract joint locations, followed by calculation of joint angles.

Main Results:

Experienced dentists demonstrated significantly lower right shoulder angles compared to dental students and young dentists.
This finding aligns with previous research highlighting the importance of shoulder positioning in surgical tasks.
Pose estimation successfully captured and quantified kinematic differences across experience levels.

Conclusions:

Pose estimation is a promising tool for objective posture analysis in the context of tooth extraction.
The study identified potential kinematic indicators of optimal posture for dental professionals.
Further research with larger sample sizes is warranted to validate these findings and refine the application of pose estimation in dental ergonomics.