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Impact of Hyperbaric Oxygen on the Healing of Bone Tissues Around Implants

Juan, Liao, DDS, PhD*; Peng, Li, MS; Mengjun, Wu, DDS, PhD; Yandong, Mu, DDS, PhD§

doi: 10.1097/ID.0000000000000825
Basic and Clinical Research
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Purpose: The impact of hyperbaric oxygen (HBO) on the healing of bone tissues around implants was studied using an animal model.

Methods: A total of 32 beagle dogs were selected and randomly divided into the HBO group and the blank group. The dogs in the HBO group were subjected to 90 minutes of HBO therapy. X-ray, cone-beam computerized tomography imaging, implant stability quotient (ISQ) values, histological observation, quantitative analysis of bone histomorphometry, and hematoxylin-eosin (HE) and Masson staining were evaluated.

Results: In this study, at 4 weeks after the surgery, the mean ISQ value in the HBO group was higher than that in the blank group, and the difference had statistical significance (P < 0.05). At week 4 and 8, the mean values of bone ingrowth fraction (BIC%) and the percentage of bone area (BA%) in the HBO group were both higher than those of the blank group. Decalcified paraffin sections were stained with HE and Masson staining showed that the bone tissue around the implant in the HBO group has more osteoblasts than control group, and many irregular marrow cavities and Haversian bone plates were observed in the new bone tissue.

Conclusion: This study showed that after implantation, early osteogenesis was better in the HBO group than in the blank group. On one hand, the healing time of the bone tissue around the implants was reduced.

*Associate Chief Physician, Department of Stomatology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.

Associate Chief Physician, Department of Anesthesiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.

Deparment of Anesthesiology, Chengdu Women and Children's Central Hospital, Chengdu, China.

§Chief Physician, Doctoral Supervisor, Department of Stomatology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China.

Reprint requests and correspondence to: Mu Yandong, DDS, PhD, Department of Stomatology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, No. 32 West Second Section, First Ring Road, Chengdu, Sichuan, China, Phone: +86 28 87394241, Fax: +86 28 87394241, E-mail: 109497731@qq.com

This study was supported by the Research Fund of “Youth Scientific and Technological Creative Team” from Technological Office of SiChuan (2016TD0008).

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