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Tooth Anatomy

Tooth Anatomy

The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.

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Updated: May 11, 2026

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

Denture reinforcement via topology optimization.

Rabia Altunay¹, Kalevi Vesterinen², Pasi Alander²

¹School of Engineering Sciences, Lappeenranta-Lahti University of Technology LUT, Yliopistonkatu 34, FI-53850 Lappeenranta, Finland; Computational Engineering and Analysis Research Group, Turku University of Applied Sciences, Joukahaisenkatu 3, FI-20520 Turku, Finland.

Medical Engineering & Physics

|February 8, 2025

Summary

This summary is machine-generated.

This study introduces a computational method for reinforcing dentures, significantly reducing displacement and increasing stiffness. The optimized reinforcement placement guides dental technicians in fabrication, saving time and materials.

Keywords:

Dental prosthesis Finite element analysis Optimization Reinforcement Structural analysis

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Last Updated: May 11, 2026

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Area of Science:

Biomaterials Engineering
Computational Mechanics
Dental Technology

Background:

Denture displacement and reduced stiffness are common issues affecting patient comfort and function.
Current denture fabrication methods may not optimally incorporate reinforcement.
Advanced computational tools can enhance material distribution for improved mechanical properties.

Purpose of the Study:

To develop and validate a computational design method for optimizing denture reinforcement.
To enhance denture stiffness and minimize displacement using topology optimization.
To provide guidance for the precise placement of reinforcement materials in dentures.

Main Methods:

Utilized topology optimization to identify optimal reinforcement regions within a 3D lower jaw denture model.
Employed a multi-material approach, incorporating E-glass material for reinforcement.
Simulated and compared displacement under load for both non-reinforced and reinforced denture designs.

Main Results:

The reinforced denture exhibited significantly reduced displacement compared to the non-reinforced design.
Topology optimization successfully pinpointed critical areas for reinforcement.
Node-based displacement analysis confirmed magnitude reduction due to strategic reinforcement.

Conclusions:

Computational reinforcement design effectively increases denture stiffness and reduces displacement.
The proposed method offers a practical approach for integrating reinforcement in multi-material 3D printed dentures.
This technique can streamline denture fabrication, optimize material use, and improve outcomes for dental technicians and patients.