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, 42 (1), 38-42

Histologic Analysis of Resorbable Blasting Media Surface Implants Retrieved From Humans: A Report of Two Cases

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Histologic Analysis of Resorbable Blasting Media Surface Implants Retrieved From Humans: A Report of Two Cases

Kyung-In Jeong et al. J Korean Assoc Oral Maxillofac Surg.

Abstract

The purpose of this study is to evaluate the degree of osseointegration of resorbable blasting media (RBM) surface implants retrieved from humans. Three implants in the mandibular molar region that were surface-treated with RBM were retrieved from two patients. The implants were used to manufacture specimens in order to measure the bone-implant contact (BIC) ratio. The BIC ratios of the three implants were found to be an average of 69.0%±9.1%. In conclusion, that RBM surface implants are integrated into the host environment with histological significance and the BIC ratio of the RBM surface-treated implant was not significantly different from that of other surface-treated implants.

Keywords: Dental implants; Removal.

Conflict of interest statement

Conflict of Interest: No potential conflict of interest relevant to this article was reported.

Figures

Fig. 1
Fig. 1. Bone resorption progressed from upper first thread of #36 implant and second thread of #37 implant.
Fig. 2
Fig. 2. Malposed implant was observed. Implant prosthesis was retrieved.
Fig. 3
Fig. 3. A. Overview of a histological section obtained from the retrieved implant. No resorption of the coronal bone is present and no infrabony pockets are present (Villanueva osteochrome bone staining, ×12.5). B. Newly formed bone can be observed around the implant. The dark line is due to trabeculae of newly formed bone. Gaps around the implant are defects created during specimen production (Villanueva osteochrome bone stain, ×40).
Fig. 4
Fig. 4. A. Overview of a histologic section obtained from the retrieved implant. Bone resorption can be observed around the implant. Whitish artifact is due to trabeculae of newly formed bone. Gaps around the implant are defects created during specimen production (Villanueva osteochrome bone staining, ×12.5). B. Newly formed bone and pre-existing bone can be observed around the implant. The grayish/whitish translucent area on the right side is an artifact created by trabeculae of newly formed bone (Villanueva osteochrome bone staining, ×40).
Fig. 5
Fig. 5. A. At low magnification, loose contact between the implant and bone can be observed. There are gaps and fibrous tissue at the implant-bone interface (Villanueva osteochrome bone staining, ×12.5). B. At higher magnification, newly formed bone can be observed between fixture threads. Farthest to the right, the red-stained area indicates newly formed bone. The orange-stained area between the fixture and newly formed bone indicates connective tissue (Villanueva osteochrome bone staining, ×40).

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