การศึกษาหาความสัมพันธ์ระหว่างขนาดของการติดสีของกระดาษกัดสบและร้อยละของแรงกัดสบเมื่อวัดด้วยระบบวิเคราะห์การสบฟันดิจิตอลทีสแกนทรี (THE RELATIONSHIP BETWEEN ARTICULATING PAPER MARKING SIZES AND PERCENTAGES OF OCCLUSAL FORCE MEASURED BY T-SCAN III DIGITAL OCCLUSAL ANALYSIS SYSTEM)
Keywords:
Articulating paper, Occlusal force, T-Scan system, Marking sizeAbstract
Nowadays, the most common method used by dentists in occlusal analysis is the use of articulating papers. The patient is biting down in maximum intercuspal position and looking at the color on the teeth. But the color cannot always tell that the force of the bite is more or less. So that the T-Scan III system was used by the Grid-based sensor technology to record the occlusal force of the teeth. The results can be analyses as a percentage of the force at each area.
Objective: To study the relationship between articulating paper marking sizes and percentages of occlusal force measured by T-Scan system.
Materials and Methods: Data was collected from 12 subjects. Intraoral photographs of upper arch were taken after the subjects had bitten on articulating papers in maximum intercuspal positions 3 times. The areas of marking sizes were measured in pixel by Adobe Photoshop program. Then percentages of occlusal force were recorded by T-Scan III system after the subjects had bitten on sensor in maximum intercuspal positions 3 times. The relationship between articulating paper marking sizes and percentages of occlusal force were analyzed by simple linear regression analysis at the 95% confidence level.
Results: The result showed there was positive relationship between articulating paper marking sizes and percentages of occlusal force measured by T-Scan III system (p<0.05). This relationship was shown in equation; Y = 10.282 + 0.001X (Y is percentages of occlusal force, and X is articulating paper marking sizes). However, this equation could predict percentages of occlusal force measured by T-Scan III system only 10.6%.
Conclusion: The result suggested the relationship between articulating paper marking sizes and percentages of occlusal force measured by T-Scan system. Although the result was significant, the relationship was too low to be predicted.
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References
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