Failing Hollow Implants Examined by Light Microscopy and Image Processing

Fumitaka Takeshita, Shinji Iyama, Yasunori Ayukawa, Tsuneo Suetsugu, Masamichi Oishi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


THE PURPOSE OF THIS STUDY was to evaluate the radiologic, histologic, and histometric findings of three failing hollow implants. On periapical radiographs, these implants showed vertical bone loss up to the hollow portion around the implant. Examination of the histologic sections disclosed that the hollow portions of all the implants were almost filled with bone tissue, although slight bone resorption and presence of granulation tissue infiltrated with inflammatory cells was observed coronal to the hollow portion. Histometric analysis disclosed that the average percent bone contact was 93.1% in case 1, 90.9% in case 2, and 84.3% in case 3 and the average percent bone filling was 42.1%, 50.5%, and 33.8%, respectively. Consequently, there seems to be some potential for successful treatment of these implants because the destructive changes were limited to the coronal aspects of the implant.

Original languageEnglish
Pages (from-to)293-298
Number of pages6
JournalJournal of periodontology
Issue number3
Publication statusPublished - Mar 1997

All Science Journal Classification (ASJC) codes

  • Periodontics


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