To Evaluate the Reliability of Periotest Device In Assessment Of Implant Stability
Periotest assesment
Abstract
Background and Aim: Osseointegration has been defined as a direct structural and functional connection between ordered living bone and the surface of a load- carrying implant. Author aims to 1) To evaluate osseointegration of implants by reverse torque test. 2) to evaluate osseointegration of implants by Periotest and 3) To evaluate the reliability of Periotest device in assessment of osseointegration.
MATERIAL AND METHODS: Patients visiting Rama Dental College in the department of Prosthodontics and Armamentarium: PERIOTEST-M (model type 3218) Medizintechnik Gulden e.K. GERMANY. And HI TEC TORQUE WRENCH- adjustable from 10 Ncm to 45 Ncm.
Results: Statistical analysis (SPSS) version 21.0, SPSS Inc. Results obtained were, out of 50 implants examined 42 implants were successful and 8 cases fail to Osseointegrate. These 42 cases have a mean of periotest reading of -1.08254 with a standard deviation of 2.295575. These 8 cases showed a mean of Periotest reading of 4.804167 with a standard deviation of 1.74287. Gender distribution of the study was 27 implants were placed in males with a mean of 0.092593 and standard deviation of 3.245633. implants were inserted in females with a mean of - 0.41449 and standard deviation of 2.962711. Nothing significant was found in male and female distribution of the study. Conclusion: Of the total 50 implants 42 of the implants were successful as showed by the reverse torque test. Of the total 50 implants, 30 were successful as per Periotest device i.e. values between -8.0 to 0.0. Out of 42 successful implants cases (by reverse torque test), 12 cases were shown by Periotest as non-osseointegrated. Out of these 12 cases, 8 cases showed a near to negative readings (0.0 to 1.0) but 4 cases showed high positive readings (3.0 to 7.0) which creates questions on the reliability of Periotest device. Thus, it is concluded that Periotest device is not 100% correct and furthers studies with large size are required.
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