Alveolar Bone Microstructure Surrounding Orthodontic Anchor Screws with Plasma Surface Treatment in Rats

Overview

Journal J Funct Biomater

Specialty Biomedical Engineering

Date 2023 Jul 28

PMID 37504851

Authors

Keisuke Okawa

Satoru Matsunaga

Norio Kasahara

Masaaki Kasahara

Chie Tachiki

Takayoshi Nakano

Shinichi Abe

Yasushi Nishii

Affiliations

Soon will be listed here.

Abstract

A lateral load was applied to anchor screws that had undergone surface treatment, and the structure, cellular dynamics, and quality of the bone surrounding anchor screws were analyzed to investigate the effect of this surface treatment on the peri-implant jawbone. In addition, bone microstructural characteristics were quantitatively evaluated for each site of loading on the bone around the anchor screw. Rats were euthanized after observation on days 3, 5, or 7, and bone quality analyses were performed. Bone-implant contact rate increased more rapidly at an early stage in the treated surface group than in the untreated surface group. Bone lacuna morphometry showed that the measured values adjacent to the screw at the screw neck on the compressed side (A) and at the screw tip on the uncompressed side (D) were significantly lower than those at the screw tip on the compressed side (B) and at the screw neck on the uncompressed side (C). Collagen fiber bundle diameter showed that the measured values adjacent to regions A and D were significantly higher than those at regions B and C. Anchor screw surface activation facilitates initial bone contact of the screw, suggesting that early loading may be possible in clinical practice.

Citing Articles

Surface Treatment of Dental Mini-Sized Implants and Screws: A Systematic Review with Meta-Analysis.

Figueiredo A, Travassos R, Nunes C, Prata Ribeiro M, Santos M, Iaculli F J Funct Biomater. 2024; 15(3).

PMID: 38535261 PMC: 10971647. DOI: 10.3390/jfb15030068.

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