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Quintessence Int 32 (2001), No. 10     1. Nov. 2001
Quintessence Int 32 (2001), No. 10  (01.11.2001)

Page 797-799


Influence of the implant abutment on the Periotest value: An in vivo study
Gomez-Roman, German / Lukas, Dieter
Objective: Periotest values for dental implants depend on the type of prosthetic abutment utilized for the restoration. If Periotest value cannot be measured at the single crown, the Periotest values used for comparison must be derived from the same type of superstructure. Method and materials: Fifty-nine patients were selected from a regular follow-up program. At the end of the healing period, the Periotest values of Frialit-2 implants were measured at the gingiva former and abutment. The values were then compared with the Periotest measurements obtained at the placement of the final single crown and during the first follow-up examination. Results: Compared to values measured at single crowns, the Periotest value measured at gingiva formers decreased on average by 3.5. The measurement of the abutment revealed a decrease of 1.7. Until the first recall and under functional loading of implants, the Periotest value increased on average by 1.8. These differences significantly differed from 0. Conclusion: If measurements at different abutments such as crown abutments or single crowns are necessary, comparison of the Periotest values in accordance with the given mean values will lead to more precise results. It is recommended that Periotest measurements be performed for the first and subsequent prostheses, during all prosthetic stages, to allow comparison if some parts of the prosthetic abutment have to be replaced.