Relationship between the stiffness of the dental implant-bone system and the duration of the implant-tapping rod contact.
The physical basis of the Periotest percussion diagnosis is theoretically studied by modelling the dental implant-bone system as a simple lumped parameter system. An expression of the effective stiffness k(eff) is derived as a function of the contact time tau. The validity of k(eff) obtained is verified by a comparison with experimental values estimated from other methods. Relationships between k(eff) and the pure stiffness for the Kelvin-Voigt and Maxwell models are also derived. It is suggested that an increase of viscosity as well as stiffness will decrease tau.
Research Laboratory, Nikon Corporation, Tokyo, Japan.
T M
TM
Kaneko
D015982:Bias; D001696:Biomechanical Phenomena; D003758:Dental Implantation, Endosseous / Q000592:standards*; D015921:Dental Implants; D003799:Dental Stress Analysis / Q000295:instrumentation* / Q000379:methods; D004548:Elasticity; D006801:Humans; D008954:Models, Biological; D009068:Movement; D016348:Osseointegration; D010474:Percussion / Q000295:instrumentation* / Q000379:methods; D015203:Reproducibility of Results; D013997:Time Factors; D014783:Viscosity
D015921:Dental Implants