Eugenol Emulgel for Safe Orthodontic Bracket Debonding
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Solution Overview
Problem
Conventional debonding procedures for orthodontic brackets and dental appliances risk damaging tooth enamel, as they either require strong and durable bonds that are difficult to remove safely or use less effective bonding procedures that are easily debonded, posing challenges for orthodontic practitioners.
Innovation Solution
A eugenol-based gel composition, known as an emulgel, is applied to dental cements or resins to reduce their microhardness, facilitating safe removal of orthodontic metal brackets and residual bonding resin without substantial enamel damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional debonding procedures are used to ensure strong and durable bonds, then bond strength is improved, but risk of enamel damage increases
Solution Approach 1:
The eugenol emulgel is applied to the bonding cement before debonding to pre-soften and reduce its microhardness. This preliminary chemical action allows the bracket to be removed with reduced force, preventing enamel damage while maintaining adequate bond strength during treatment.
Solution Approach 2:
The invention changes the physical-chemical parameters of the bonding cement by applying eugenol emulgel, which reduces the microhardness and alters the mechanical properties of the cement. This parameter change enables easier bracket removal without compromising the initial bond strength required for orthodontic treatment.
2Object-affected harmful factors
If debonding force is reduced to prevent enamel damage, then enamel safety is improved, but bracket removal becomes difficult
Solution Approach 1:
The eugenol emulgel is applied in advance to the bonding cement to pre-soften it and reduce its microhardness. This preliminary chemical treatment creates favorable conditions for subsequent bracket removal with reduced force, making the procedure easier while protecting enamel.
Solution Approach 2:
The eugenol emulgel acts as an intermediary substance between the bracket and the bonding cement during debonding. It chemically interacts with the cement to reduce its adhesion properties, facilitating bracket removal with lower force while preventing direct mechanical trauma to the enamel.
3Force
If eugenol emulgel is applied to reduce microhardness of bonding cement, then debonding force is reduced, but application complexity increases
Solution Approach 1:
The eugenol emulgel is designed to be applied directly by the clinician in a straightforward manner, where the material itself performs the softening function without requiring additional complex equipment or multi-step procedures. The simplicity of application outweighs the benefit of reduced debonding force.
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 eugenol emulgel effectively reduces the debonding force needed to remove metal brackets and residual adhesive, ensuring safer debonding procedures while maintaining the integrity of the enamel surfaces.
Implementation Method 1
contacting the dental adhesive or cement with an eugenol emulgel or eugenol in gel form
Data Source
AI summary
The invention is directed to a composition that safely removes a cured dental cement or resin from metal brackets, metal braces, and enamel surfaces of teeth. It contains eugenol, isoeugenol, methyl-eugenol or an isomer thereof. A method for removing orthodontic fixtures adhered with a dental cement or resin to the enamel surfaces of teeth from these surfaces by contacting the dental cement or resin with a composition containing eugenol.