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Volume 25 , Issue 6
November/December 2005
Pages 623–628

A Comparison of the Clinical and Histologic Crestal Bone Level Measurements Adjacent to Dental Implants in the Baboon

Jonathan L. Gray, DDS / Arthur R. Vernino, DDS / Herbert J. Towle, DDS

PMID: 16353537
DOI: 10.11607/prd.00.0661

The purpose of this study was to compare clinical probing measurements with the histologic alveolar bone level in an established baboon model. Implant sites were prepared by removal of all premolars and first molars in 10 adult female baboons (Papio anubis), a total of 120 sites. The resulting edentulous ridges were allowed to heal for 6 weeks. One implant was placed in each site and allowed to heal, after which the implants were removed en bloc. The animals were not sacrificed. Clinical probing from the implant platform to the crest of the bone was performed at the buccal and lingual aspects of each implant at the time of placement and prior to section removal. All measurements were taken with a calibrated probe by a single examiner (ARV). Sections were cut in a buccolingual plane through the long axis of each implant. Histologic slides were digitized for data collection, and histologic measurements were taken at the buccal and lingual aspects from the implant platform to the crest of the bone. The results of the study showed that there were no significant differences between the clinical and histologic measurements. The authors concluded that clinical measurements around dental implants are as reliable as histologic measurements and that the tip of the probe extended to the alveolar bone every time the implant was probed in this model. (Int J Periodontics Restorative Dent 2005;25:623–628.)

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