Direct-Formed Orthodontic Brackets for Shorter Preparation
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Solution Overview
Problem
Conventional orthodontic methods require lengthy preparation periods and high technical skill, and may struggle with transmitting forces necessary for tooth movements like extrusion, intrusion, uplifting, and rotation, leading to prolonged treatment times and increased costs or discomfort for the patient.
Innovation Solution
An orthodontic bracket is formed by placing a correction wire through pipe on the central recessed portion of a molar occlusal surface, covered with dental resin, and forming a through hole for the correction wire, allowing direct formation on the tooth surface without extensive preparation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a ready-made bracket is used for wire orthodontics, then the bracket can be easily manufactured and positioned, but the teeth surface adhering surface does not conform to individual patient teeth surfaces, requiring fine delicate operation and high technique
Solution Approach 1:
The bracket's teeth surface adhering surface is designed to automatically conform to the patient's teeth surface through self-adaptation mechanisms, eliminating the need for fine delicate positioning operations by clinicians
Solution Approach 2:
The bracket structure incorporates adjustable parameters that allow it to adapt to different tooth surface geometries, transforming from a fixed ready-made form to a customizable fit that maintains manufacturing simplicity
2Reliability
If conventional orthodontic preparation methods are used, then thorough treatment planning can be performed, but lengthy preparation periods are required before correction equipment mounting
Solution Approach 1:
The bracket is designed with pre-configured teeth surface adhering surfaces that are prepared in advance to match common tooth geometries, allowing immediate application without lengthy customization preparation
Solution Approach 2:
The complex treatment planning and customization steps are extracted from the clinical preparation process and integrated into the bracket manufacturing phase, allowing clinicians to apply brackets directly without extensive in-office preparation
3Force
If correction wire is made to pass through through holes or grooves in the bracket, then orthodontic force can be transmitted, but the correction wire cannot keep its original arcuate shape, requiring forceful bending that may damage the wire
Solution Approach 1:
The correction wire path is segmented into multiple sections with individual through holes positioned to accommodate the wire's arcuate shape, allowing the wire to maintain its curved form while still transmitting orthodontic force effectively
Solution Approach 2:
The through holes in the bracket serve as intermediaries that guide and support the correction wire, allowing the wire to pass through while maintaining its arcuate shape and preventing forceful bending that would compromise wire integrity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method enables quick orthodontic treatment without lengthy preparation, reduces patient burden, and facilitates efficient tooth movements by naturally positioning the bracket for effective force transmission, shortening treatment duration and improving treatment efficiency.
Implementation Method 1
the orthodontic bracket body is formed by thickly depositing a dental resin from above the correction wire through pipe and by curing the dental resin
Data Source
AI summary
A method of preparing an orthodontic bracket is used in orthodontics, and an orthodontic method is performed using the orthodontic bracket. The orthodontic bracket is formed of a correction wire through pipe and an orthodontic bracket body. The correction wire through pipe is placed on a central recessed portion of a molar occlusal surface of a treatment subject. The orthodontic bracket is formed by thickly depositing a dental resin from above the correction wire through pipe and by curing the dental resin, and by forming a though hole through which a correction wire passes by cutting front and rear end portions of the orthodontic bracket thus exposing opening portions at both ends of the correction wire through pipe. A period until the correction is performed can be shortened so that the present invention compensates for defects that occurs in the orthodontics using a mouthpiece.