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Chinese Journal of Dental Research

Year 1999
Volume 2 , Issue 3

Pages: 68 - 72

An Experimental Investigation of Osseointegration and Stability of Implants Used as Orthodontic Anchorage in Dogs

Xing Liang, DDS, MS, PhD/Hang Wang, DDS, PhD/Si-qing Tang, DDS/Dan Lu, DDS

Objective: To investigate osseointegration and stability of three kinds of implants used as orthodontic anchorage in dogs. Methods: HA-coated, titanium plasma-coated, and uncoated titanium implants were inserted into each femur of two dogs. After a healing period of three months, orthodontic force of 200 g was applied by means of Ni-Ti springs which were connected to the two adjacent implants for two months. Position change of the implant was first measured and then calculated. The shear bond strength of the interface between implant and bone was measured with a push test. After the test, the fracture surface at the interface was observed with a scanning electronic microscope. Results: All implants were stable, without mobility. The highest bond strength and mature bone compactness were found at the interface between ha-coated implant and bone. The other two showed no significant difference in bond strength. However, osseointegration existed at the interface between all thr implants and bone. Conclusion: HA-coated, titanium plasma-coated, and uncoated titanium implants can each serve as orthodontic anchorage as well as prosthodontic abutment. (CJDR 1999;2(3):68-72)



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