Abstract
Objective: To develop diagnostic reference for arch form using Artificial Neuron Network (ANN) from tooth size and arch dimension variables on scanned-dental cast from patients with class I malocclusion treated orthodontically. Material and Methods: One hundred and ninety pairs of dental cast pre-post orthodontic treatment gathered from Orthodontic clinics were scanned and then all dimension variables were measured using Image Tool (gender, tooth size and arch dimension). The multivariate data were analyzed statistically using Stata (Lakeway Drive, College Station, Texas USA). The statistic results were compiled to build the neuron network software for analyzing arch form. Results: Gender and all variables from pre-treatment do not influence arch form. Intercanine width, canine depth, intermolar width, and molar depth are variables that influence arch form. The result of the statistical analyses can be used to develop software based on artificial neural network. Output program is the arch form, such as oval, square or tapered. The software can describe arch form with the accuracy of 76.31%. Conclusion: A software using Artificial Neuron Network to describe arch form can be used for diagnostic reference to Class I malocclusion.
Highlights
Despite wide acceptance of the idea that arch forms vary among individuals, there is a long orthodontic tradition of seeking a single ideal arch form
Material and Methods: One hundred and ninety pairs of dental cast pre-post orthodontic treatment gathered from Orthodontic clinics were scanned and all dimension variables were measured using Image Tool
A software using Artificial Neuron Network to describe arch form can be used for diagnostic reference to Class I malocclusion
Summary
Despite wide acceptance of the idea that arch forms vary among individuals, there is a long orthodontic tradition of seeking a single ideal arch form. Dental arches are correlated with the dimensions and the shape of the face. This variation was caused by variation in tooth size, so that it is not the goal of orthodontic treatment to produce dental arches of a single ideal size and shape for everyone. The basic principle of arch form in orthodontic treatment is that within reason, the patient’s original arch form should be preserved [7]. A lot of changes occurred within dental arches. Crowding and deformed arch form in malocclusion do not show the actual original arch forms and size, so that this condition can be changed during orthodontic treatment. At the end of the treatment, a good stability and normal function is expected [8]
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