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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 10 (1995), No. 6     1. Nov. 1995
Int J Oral Maxillofac Implants 10 (1995), No. 6  (01.11.1995)

Page 729-735

Mechanical Properties of Bone-Implant Interface: An In Vitro Comparison of the Parameters at Placement and at 3 Months
Brosh, Tamar / Persovski, Zvi / Binderman, Itzhak
Four biomechanical parameters-peak force, vertical displacement, interface stiffness, and strain energy-were defined to evaluate bone-implant interface properties. These parameters were measured at placement and after 3 months of healing during push-in tests on commercially pure titanium implants placed in the mandibles of dogs in a one-phase nonsubmerged procedure. Comparison of the results showed that peak force, interface stiffness, and strain energy increased after 3 months of healing, but vertical displacement decreased. These findings suggest that the interface stiffness, which is considered a major factor for implant success, increases during 3 months of healing in dogs, which corresponds to a 4- to 6-month healing period in human mandibles.

Keywords: bone implant interface, compressive peak force, healing, interface stiffness, titanium screw implants