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Volume 16 , Issue 2
March/April 1996
Pages 139-148

A histologic study of nonsubmerged titanium plasma-sprayed screw implants retrieved from a patient: A case report

Piattelli/Emanuelli/Scarano/Trisi

PMID: 9084302
DOI: 10.11607/prd.00.0166

The authors report on the microscopic findings in two plasma-sprayed non-submerged implants retrieved from a patient 6 months after placement. One of the implants had been loaded for 3 months, while the otehr was left unloaded. Clinically, the peri-implant gingival tissues were in good health. The implants were sectioned according to the cutting-grinding system. Bone lined the titanium surface almost completely with 77.3% =- 5.1% of contact in the unloaded implant and 86.5% =- 3.3% of contact in the loaded implant. Signs of bone resorption with many macrophages and osteoclasts were present in the loaded implant, while in the unloaded implant only osteoclast resorption activity was demonstrable.

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