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

Okawa, Keisuke; Matsunaga, Satoru; Kasahara, Norio et al.

Journal of Functional Biomaterials, 2023, 14(7), 356

Number of Access:613（2025-08-21 04:37 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/93112

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Title
Alveolar Bone Microstructure Surrounding Orthodontic Anchor Screws with Plasma Surface Treatment in Rats
Creator
CreatorName
Okawa, Keisuke
NRID
1000070453751 1000070453751
CreatorName
Matsunaga, Satoru
CreatorName
Kasahara, Norio
NRID
1000060779776 1000060779776
CreatorName
Kasahara, Masaaki
CreatorName
Tachiki, Chie
NRID
1000030243182 1000030243182
ORCID
0000-0001-8052-1698 0000-0001-8052-1698
researchmap permalink
read0013987 read0013987
Scopus Author ID
7403896013 7403896013
CreatorName
Nakano, Takayoshi
NRID
1000040256300 1000040256300
CreatorName
Abe, Shinichi
CreatorName
Nishii, Yasushi
Subject
biological apatite orientation
bone quality
collagen fiber
horizontal loading
miniscrews
Description
Okawa K., Matsunaga S., Kasahara N., et al. Alveolar Bone Microstructure Surrounding Orthodontic Anchor Screws with Plasma Surface Treatment in Rats. Journal of Functional Biomaterials 14, 356 (2023); https://doi.org/10.3390/jfb14070356.
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.
Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
Source Title
Journal of Functional Biomaterials
Volume (Issue)
14(7)
Page
356
Date of Issued
2023-07-07
Language
English
Handle URL
https://hdl.handle.net/11094/93112
eISSN
20794983
Relation.isIdenticalTo
DOI (Publisher Version)
https://doi.org/10.3390/jfb14070356
Access Rights
open access
CopyRight
This article is licensed under a Creative Commons Attribution 4.0 International License.
oaire:version
Version of Record
Category
学術雑誌論文 Journal Article