High-speed filming of the Periotest measurement

Monika Reim

Fraunhofer-Institute of Information and Data Processing, Karlsruhe, Germany

and

Dieter Lukas

clinic of Oral Surgery and Periodontology, University of Tübingen, Germany

 

in collaboration with the Fraunhofer-Institute for Photography and Cinematography, Freiburg, Germany

3000 frames per second, 60 fold slow motion

1. Tooth mobility index 0, tooth deflection smaller than 20µm,  time tapping head and tooth are in contact 0.6ms
2. Tooth mobility index II, tooth deflection up to 180µm,  time tapping head and tooth are in contact 2.3ms

 movie starts in 30 seconds


Dieter Lukas, 
update: 2002-VII-4.