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Experimental Peri‐Implantitis in Consecutively Placed, Loaded Root‐Form and Plate‐Form Implants in Adult Macaca mulatta Monkeys
Author(s) -
Fritz Michael E.,
Braswell Laura D.,
Koth David,
Jeffcoat Marjorie,
Reddy Michael,
Cotsonis George
Publication year - 1997
Publication title -
journal of periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.036
H-Index - 156
eISSN - 1943-3670
pISSN - 0022-3492
DOI - 10.1902/jop.1997.68.11.1131
Subject(s) - ligature , dentistry , peri implantitis , medicine , orthodontics , implant , significant difference , radiography , surgery
T his study is part of an on‐going project describing the character of round‐ and plate‐form implants placed in a primate model. In this paper 20 loaded plate‐form and 23 root‐form implants were connected to prostheses and experimental peri‐implantitis was induced by ceasing scaling procedures and placing braided silk ligature around the implants. Twenty‐four prostheses utilizing natural teeth were studied for comparison. Clinical measurements were carried out monthly for 6 months and radiographic measurements at 3 and 6 months post‐ligature placement and cessation of scaling. Both root‐form implants and plate‐form implants showed a significant loss of crestal bone height at 3 and 6 months after ligature placement ( P <.001 after 6 months). The difference in bone loss between plate‐ and root‐form implants, however, was not significant. J Periodontol 1997;68:1131–1135 .