Deciduous Tooth Orthodontic Brackets with Debonding Tabs
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Solution Overview
Problem
Current orthodontic brackets designed for permanent teeth are not suitable for deciduous teeth, leading to weak bonding, frequent detachment, and discomfort during treatment due to size and shape mismatches, as well as challenges in debonding without causing damage or pain.
Innovation Solution
Design of orthodontic brackets specifically for deciduous teeth with shaped bases that conform to their morphology and include debonding tabs to facilitate easy removal with minimal force, reducing the risk of damage or pain during debonding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If permanent tooth brackets are used on deciduous teeth, then orthodontic treatment can be provided, but bonding strength is weak and brackets frequently detach
Solution Approach 1:
The bracket base is designed with specific morphological features (rounded corners, reduced occlusal-gingival dimension) that match the local characteristics of deciduous tooth surfaces. This local adaptation of the bracket geometry to the smaller, smoother deciduous teeth improves bonding surface contact and prevents detachment, directly resolving the contradiction between bonding reliability and adaptability to tooth morphology.
2Ease of operation
If permanent tooth brackets are used on deciduous teeth, then treatment can proceed, but patient discomfort increases during debonding
Solution Approach 1:
The bracket is segmented from the tooth structure through a controlled debonding process. The rounded corners and reduced dimensions of the bracket base create a bonding interface that can be cleanly separated from the deciduous tooth surface without requiring excessive force, thereby easing the debonding operation and preventing tooth damage or patient pain.
3Productivity
If permanent tooth brackets are used on deciduous teeth, then orthodontic force can be applied, but tooth movement efficiency is reduced
Solution Approach 1:
The bracket dimensions are changed to match deciduous tooth proportions. The occlusal-gingival dimension is reduced from typical permanent tooth bracket sizes to approximately 2.0-3.5mm, and the mesial-distal dimension is reduced to approximately 3.0-4.5mm. These parameter changes optimize the bracket-to-tooth size ratio, improving force distribution and tooth movement efficiency while reducing device complexity relative to the smaller tooth structure.
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
The brackets provide reliable adhesion and efficient tooth movement, minimizing detachment issues and patient discomfort, while allowing for effective alignment and correction of malocclusions during the mixed-dentition period.
Implementation Method 1
Each bracket is secured to a corresponding tooth through a bonding adhesive which is sandwiched between the pad of the bracket on one side and the enamel surface of the tooth on the other side
Data Source
AI summary
The present invention relates to orthodontic brackets designed for use with the deciduous teeth and method for its use. The brackets provide one or more debonding tabs which reduces the potential for damage to the deciduous tooth due to the application of excessive force during the debonding process. The small size of the brackets allow the brackets to fit available crown space on the deciduous teeth. Further the brackets are shaped to minimize mechanical forces applied to the deciduous teeth when engaged with an archwire. The bracket bases are shaped to conform to the morphology of the deciduous tooth crown surface thereby providing an optimal adhesive interface with the deciduous tooth. The deciduous brackets provide proper adhesion to avoid unwanted detachment of the brackets which often occurs when the use of permanent brackets is attempted on the deciduous teeth.