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Updated: May 5, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

Mechanical Performance of a Monolithic 3D-Printed Orthodontic Bracket-Crown System: An In-Vitro Study.

Selcen Eser Mısır¹, Serkan Görgülü¹, Simel Ayyıldız¹

¹Department of Orthodontics, Gulhane Faculty of Dental Medicine, University of Health Sciences, 06018 Ankara, Turkey.

Materials (Basel, Switzerland)

|May 4, 2026

Summary

A novel monolithic prosthetic design demonstrated superior structural resistance compared to traditional methods. This 3D-printed approach offers a durable alternative for orthodontic-prosthetic integration, especially when conventional bonding is challenging.

Keywords:

additive manufacturing digital workflow monolithic restoration orthodontic attachment shear bond strength

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Last Updated: May 5, 2026

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Published on: December 20, 2024

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3D Imaging of PDL Collagen Fibers during Orthodontic Tooth Movement in Mandibular Murine Model

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Published on: April 15, 2021

Area of Science:

Biomaterials Engineering
Dental Prosthetics
Orthodontics

Background:

Conventional orthodontic treatments often rely on bonded attachments, which can be prone to failure.
Digital fabrication offers new possibilities for integrated prosthetic and orthodontic solutions.
Evaluating the mechanical resistance of novel designs is crucial for clinical application.

Purpose of the Study:

To assess the load-bearing capacity of a new monolithic prosthetic design with integrated orthodontic components.
To compare the structural resistance of this novel design against conventional porcelain crowns and natural teeth.
To determine the clinical feasibility of a fully digital, patient-specific orthodontic-prosthetic workflow.

Main Methods:

Sixty-six specimens were divided into three groups: monolithic 3D-printed copings, porcelain crowns with bonded attachments, and natural teeth with bonded attachments.
Specimens included premolar (bracket) and molar (tube) subgroups.
Shear loading tests were performed using a universal testing machine to measure resistance.

Main Results:

The monolithic group exhibited significantly higher structural resistance (92.56 ± 63.88 MPa) compared to other groups (p < 0.001).
No significant differences in resistance were found between porcelain crowns and natural teeth.
All tested values exceeded the clinically acceptable threshold for resistance.

Conclusions:

Eliminating the adhesive interface in monolithic designs enhances structural integrity under shear forces.
This novel monolithic orthodontic-prosthetic approach presents a viable alternative to conventional bonding.
The design supports a fully digital, patient-specific workflow, integrating with scanner libraries.