Study Of Accuracy Of Molar Teeth Prototype Produced By Powder And Liquid Base Layer Manufacturing System

Tarmeze @ Ghazali, Ahmad Afiq (2016) Study Of Accuracy Of Molar Teeth Prototype Produced By Powder And Liquid Base Layer Manufacturing System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Study Of Accuracy Of Molar Teeth Prototype Produced By Powder And Liquid Base Layer Manufacturing System.pdf - Submitted Version Restricted to Registered users only until 14 December 2021. Download (650kB)

Abstract

The project will apply rapid prototyping and reverse engineering technology. Rapid prototyping technology use to create a prototype of 30 molar teeth. Rapid Prototyping has additionally been referred to as solid free-form manufacturing, computer automated manufacturing, and layered manufacturing. In addition, RP models can be utilized for testing, such as when to evaluate the precision of development of molar teeth. Meanwhile, reverse engineering technology is to scan image data of thirty original teeth to form high-resolution 3D surface data. The major problem is the application of 3D printing technology in orthodontic practices is increasing. However, before introducing 3D printing technology to new areas of orthodontics, its accuracy needs to be evaluated and how this technology can be used. Thirty extracted molar teeth will be taken as a sample of this study. The STL files of thirty teeth were converted into physical models using two types of 3D printing technologies which are Powder base (Projet 460plus) and Liquid base (projet HD 3500). The results of this study are to measure capability of powder and liquid based Rapid Prototyping technology by Paired t-test. This analysis will create an alpha which is significance level for each parameter. Otherwise, the null hypothesis is attempted to find evidence against in hypothesis test. It‘s obtained a small enough p- value which is P<0.05 that it is lower than our level of significance alpha and justified it in rejecting the null hypothesis. Lastly, the aim of this research are to determine dimensional accuracy of molar teeth prototype produced by powder and liquid based layer manufacturing system. This study will carried out to verify that powder and liquid base layer manufacturing system technologies are accurate to be usable in orthodontic diagnosis and treatment.

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