Premium
In Vitro Consistency of the Periotest Instrument
Author(s) -
Chai John Y.,
Yamada Jason,
Pang IokChao
Publication year - 1993
Publication title -
journal of prosthodontics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.902
H-Index - 60
eISSN - 1532-849X
pISSN - 1059-941X
DOI - 10.1111/j.1532-849x.1993.tb00374.x
Subject(s) - consistency (knowledge bases) , rod , impression , significant difference , materials science , orthodontics , dentistry , mathematics , biomedical engineering , nuclear medicine , medicine , statistics , computer science , geometry , alternative medicine , pathology , world wide web
Purpose The consistency of measuring the damping characteristics using the Periotest (Siemens AG, Bensheim, Germany) was studied. Materials and Methods Periotest values (PTV) of three rods embedded in various depths of impression material were recorded by seven dentists. Results There is no statistically significant difference among the subjects in measuring PTV of any of the three rods. However, the variation in the occlusal‐gingival position of impact resulted in statistically significant different PTV measurements of each of the three rods. Assessment of mobility of the same objects using a clinical criterion was found to be less consistent as the mobility of the object increased. Conclusion In vitro PTV measurements are consistent provided that the position of impact is controlled.