Accuracy of digital occlusal records versus conventional mechanical methods
Keywords:
Mechanical articulator, virtual articulator, digital articulator, mathematically simulated articulator, occlusal analysis, occlusal equilibrationAbstract
Background: The stomatognathic system includes the relationship between teeth, masticatory muscles and temporomandibular joints. Achieving Occlusal stability via occlusal equilibration is mandatory for healthy stomatognathic system. Aim: Assessment of accuracy of two digital occlusal records and mechanical records using semi adjustable articulator through ob jective and subjective methods)Methodology: 7 patients were evaluated with total of 21 PMMA FDP to restore missing 1st permanent molar using different occlusal recording methods. Group (C) conventional mechanical articulator, Group (M) mathematically Simulated Articulator & Group (P) patient-specific motion. Occlusense and articulating paper was used to analyze occlusal accuracy and patient satisfaction was done via questionnaire. Results: There was significant in postoperative records in all groups as P < 0.05 by using Paired t-test, while there was insignificant difference between all groups as P > 0.05 by using One Way ANOVA test, in patients’ satisfaction, comparison between different groups performed by using Chi-square test which demonstrated that Group (P) revealed the best results. Moreover, correlation between occlusal forces analysis & patient satisfaction revealed insignificant correlation (P<0.05) Conclusion: The three methods of occlusal recording techniques showed comparable results
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