Tooth Model Calculus Design for Detection and Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tooth models make it difficult for novices to detect and remove model calculi, with small calculi being hard to find and large calculi being challenging to remove with calculus removal tools.
Innovation Solution
A tooth model design featuring model calculi with specific size and shape parameters, including large calculi with a maximum width of 0.7 mm to 1.5 mm and a boundary width less than the maximum width, and small calculi with a maximum width of 0.3 mm to 0.7 mm and varying boundary widths, arranged in aggregates for easy detection and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the model calculus is made small in size, then it can be easily removed with a calculus removal tool, but it becomes difficult for a novice to detect
Solution Approach 1:
The model calculus is divided into multiple components: a body portion and a boundary portion. The boundary portion is specifically designed to extend along the tooth surface and has a width that is a predetermined percentage (50-90%) of the body portion width, creating a distinct visual boundary that aids detection while maintaining the overall small size for easy removal practice.
Solution Approach 2:
The model calculus features non-uniform width distribution where the boundary width differs from the body portion width. This local variation in dimensions creates a characteristic shape that is both detectable by novices and suitable for removal practice, resolving the contradiction between detectability and ease of removal.
2Difficulty of detecting and measuring
If the model calculus is made large in size, then it can be easily detected even by a novice, but it becomes difficult to remove with the calculus removal tool
Solution Approach 1:
The model calculus is segmented into a body portion and a boundary portion, where the boundary portion extends along the tooth surface with a width that is a predetermined percentage (50-90%) of the body portion width. This segmentation creates a characteristic shape that is easily detectable while maintaining a size that is suitable for removal practice.
Solution Approach 2:
The model calculus dimensions are precisely controlled with the boundary width being a predetermined percentage (50-90%) of the body portion width. This parameter relationship creates an optimal balance between detectability and removability, allowing novices to easily detect the calculus while still being able to remove it with standard tools.
3Difficulty of detecting and measuring
If the boundary width is made large relative to the maximum width, then the calculus becomes more detectable, but the removal becomes more difficult
Solution Approach 1:
The boundary width is precisely controlled as a predetermined percentage (50-90%) of the body portion width. This parameter relationship optimizes the balance between detectability and removability: the boundary is wide enough to be easily detected by novices but not so wide as to make removal difficult.
Data Source
AI summary
Provided is a teeth model which is easy for even a novice to explore, and with which it is possible to practice removal using a calculus removal tool. This teeth model 10 comprises a model tooth body 10A and model calculus 13 which is provided to a side surface 10a of the model tooth body 10A. The model calculus 13 includes a large model calculus 13B having a maximum width W1 of 0.7 mm≤W1≤1.5 mm in a planar view seen from a side of the side surface 10a, and having a boundary width W2 of W2<W1 which is a width at the boundary with the side surface 10a of the model tooth body 10A in the same direction as the direction of the maximum width W1.