Osteoblast activity at the dental implant-bone interface

transmission electron microscopic and high voltage electron microscopic observations.

D. E. Steflik, Gregory R Parr, A. L. Sisk, F. T. Lake, Philip Jerry Hanes, D. J. Berkery, P. Brewer

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The purpose of this report is to present transmission electron microscopic and high voltage transmission electron microscopic (HVEM) observations of a longitudinal investigation examining the activities of osteoblasts and associated tissues apposing titanium and alumina oxide ceramic endosteal dental implants. The HVEM permitted 3-dimensional stereologic observations. All observations were obtained from undecalcified interfacial tissues from this in vivo experimental dog model using commercially available implants placed into the mandible. Two similar implants were placed in both sides of the mandible, with implants in 12 of the 18 dogs supporting fixed bridges for either 6 or 12 months. From the study, we observed that a mineralized matrix exists in direct apposition to the implant. Since bone does not interface the entire length of the implant, other interfacial zones were found to exist which consisted of unmineralized tissues. In such zones, we observed that osteoblasts were routinely found directly at the implant interface to the mandibular bone. These interfacial tissues included unmineralized collagen fibers, proteinaceous material, a finely fibrillar matrix, and the osteoblasts. This study has reinforced the concept that the oral tissue-dental implant interface is a dynamic zone consisting of remodeling activities of the osseous cells and extracellular matrices.

Original languageEnglish (US)
Pages (from-to)404-413
Number of pages10
JournalJournal of Periodontology
Volume65
Issue number5
DOIs
StatePublished - Jan 1 1994

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Dental Implants
Osteoblasts
Electrons
Bone and Bones
Mandible
Dogs
Fixed Partial Denture
Aluminum Oxide
Extracellular Matrix
Theoretical Models
Collagen

ASJC Scopus subject areas

  • Periodontics

Cite this

Osteoblast activity at the dental implant-bone interface : transmission electron microscopic and high voltage electron microscopic observations. / Steflik, D. E.; Parr, Gregory R; Sisk, A. L.; Lake, F. T.; Hanes, Philip Jerry; Berkery, D. J.; Brewer, P.

In: Journal of Periodontology, Vol. 65, No. 5, 01.01.1994, p. 404-413.

Research output: Contribution to journalArticle

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