Enhancing bone remodeling and accelerating tooth movement with photobiomodulation in middle-aged adults.

IF 2.6 4区 生物学 Q3 BIOCHEMISTRY & MOLECULAR BIOLOGY
Selly S Suzuki, Amanda M Ribeiro, Marcella U R Fernandes, Chooryung Chung, Aguinaldo S Garcez
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引用次数: 0

Abstract

Although age is not a contraindication for orthodontic treatment, it can be considered more challenging in mature adult patients, mainly due to a less responsive bone metabolism and reduced osteoblastic activity compared to young patients. In orthodontics, photobiomodulation (PBM) has shown positive results in bone remodeling during tooth movement. This study seeks to assess the effect of PBM can have a positive effect on bone remodeling, stimulating bone formation in middle-aged individuals and allowing for a better periodontal condition. Bone structure and the length of the roots were evaluated using cone beam computed tomography images before and after tooth movement and PBM in patients aged between 40 and 60 years. In addition, we aimed to evaluate the expression of the markers receptor activator of NFκB (RANK), osteoprotegerin (OPG), and osteopontin (OPN) presented in the crevicular fluid using the enzyme-linked immunosorbent assay test. Tooth movement was performed by intruding upper molars with two mini-implants as anchorage bilaterally. One side received PBM with light-emitting diode (LED) light and the contralateral side was used as control (no irradiation). The PBM equipment specially designed for this study consisted of six LEDs of 5 mW each, for 7 minutes, totaling 2 J, 3 times a week, for 5 months. The PMB group showed greater tooth movement (p < 0.05), an increase of 74% on average for bone height. PBM induced a significant increase in RANK expression at month 3 (p < 0.05), and the expression of OPG and OPN showed a significant increase in the fifth month of movement (p < 0.05) in the PBM group. PBM may represent an adjunct therapeutic approach during tooth movement in more mature patients, leading to a more responsive bone metabolism and favoring more comprehensive orthodontic treatment.

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来源期刊
Photochemistry and Photobiology
Photochemistry and Photobiology 生物-生化与分子生物学
CiteScore
6.70
自引率
12.10%
发文量
171
审稿时长
2.7 months
期刊介绍: Photochemistry and Photobiology publishes original research articles and reviews on current topics in photoscience. Topics span from the primary interaction of light with molecules, cells, and tissue to the subsequent biological responses, representing disciplinary and interdisciplinary research in the fields of chemistry, physics, biology, and medicine. Photochemistry and Photobiology is the official journal of the American Society for Photobiology.
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