A histologic evaluation of retrieved hydroxyapatite-coated blade-form implants using scanning electron, light, and confocal laser scanning microscopies

Fumitaka Takeshita, Yasunori Ayukawa, Shinji Iyama, Tsuneo Suetsugu, Mizuho A. Kido

Research output: Contribution to journalReview article

13 Citations (Scopus)

Abstract

WE HISTOLOGICALLY EXAMINED SEVEN hydroxyapatite-coated (HA) blade implants removed from patients. Four of them radiologically showed severe bone loss and were easily removed with an elevator. Three radiologically showed vertical bone loss and were removed by surgical procedure. Our histological evaluation indicated that coating separation from the HA implants had occurred, and HA coating resorption by bone tissues was suspected in an implant left in situ for 8 years. Several multinucleated giant cells were seen with a few released particles of HA coating at the point lacking bone contact with the HA coating. The presence of microorganisms on and in the HA coating layer was also noted.

Original languageEnglish
Pages (from-to)1034-1040
Number of pages7
JournalJournal of Periodontology
Volume67
Issue number10
DOIs
Publication statusPublished - Jan 1 1996

All Science Journal Classification (ASJC) codes

  • Periodontics

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