Reliability of Protrusive Condylar Guidance on Arcon Articulator and its Reading with Lateral Cephalogram
Journal Title: Journal of Advanced Medical and Dental Sciences Research - Year 2017, Vol 5, Issue 9
Abstract
Aim: The purpose of this study isto evaluate the protrusive condylar guidance values on arcon type of articulator and its reading with the lateral cephalogram, So that it can determine the amount of discrepancy between the sagital condylar guidance values on arcon articulator and lateral cephalogram. Materials and Methods: Twenty subjects between the age group of 20 to 35 years free from temporomandibular joint dysfunction, patient with no temporomandibular joint deformities and healthy dentition were taken in to consideration. Hanau (wide vue )arcon type of articulators were programmed with protrusive interocclusal records which Is taken with impression compound. The values which are obtained from these articulators are compared with the lateral cephalometric x ray by tracing it on a tracing paper. The data which were obtained was sent to statistical analysis (unpaired t test) test for comparison. Results: Table 1 and table 2 shows that the mean and standard deviation of sagital condylar guidance values of right side and left side respectively for 20 subjects(N), obtained by arcon articulators and cephalometric tracings. The mean sagital condylar guidance values for arcon articulator and cephalometric tracings were 35.22 and 35.85 on right side and 34.51 & 35.85 on left side. The mean sagitalcondyalar guidance values of two different groups were found to be non significant 0.157 on right side and highly significant (0.01) on the left side. Table 3 shows the mean sagital condylar guidance values of right side and left side on arcon articulator is 35.22 on right side and 34.51 on left side respectively and no significant difference (0.12) was seen. Conclusion: On the basis of the finding of this study it may be concluded that the mean difference in the saggital condylar guidance values of an arcon articulator and lateral cephalogram is non significant on right side and highly significant on left side. The mean sagital condylar guidance values of right side and left side of the condyle shows no significant difference. The values which are obtained on the right side of the condyle are slightly lesser than the left side of the condyle
Authors and Affiliations
K. Rohan Kumar, S. Sai Krishna, L. Prashanth Reddy, T. V Pavan, G. Satya Kiran, R. Raga Navya
Keywords
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