Periodontal effects of two Somnodent oral devices for the treatment of OSA: A finite element study.

IF 2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Cranio-The Journal of Craniomandibular & Sleep Practice Pub Date : 2024-07-01 Epub Date: 2021-10-02 DOI:10.1080/08869634.2021.1985209

Francesca Zalunardo, Giovanni Bruno, Manila Caragiuli, Marco Mandolini, Agnese Brunzini, Antonio Gracco, Alberto De Stefani

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Abstract

Objective: The study aims to evaluate the stresses and the deformations generated at the periodontal level by two mandibular advancement devices (MADs) using finite element analysis.

Methods: A three-dimensional digital model of the skull of a 29-year-old patient was created using a CBCT. The 3D models of two MADs (Somnodent Flex^TM and Somnodent Avant^TM) were reconstructed from scanning prototypes based on the patient's anatomy. The overall geometry was imported into software for the finite element study. A force of 11.18 N representing an advancement of 9.5 mm was applied to the devices. A finite element analysis wfas subsequently performed.

Results: Somnodent Flex^TM generates a peak of 3.27 kPa on periodontal ligaments and 287 kPa on teeth. For Somnodent Avant^TM the maximum stress is 4.53 kPa on periodontal ligaments and 467 kPa on teeth.

Conclusion: Different activation mechanisms of the devices generate stresses of different entities.

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用于治疗 OSA 的两种 Somnodent 口腔装置对牙周的影响：一项有限元研究。

研究目的本研究旨在利用有限元分析评估两种下颌前突装置（MAD）在牙周水平产生的应力和变形：方法：使用 CBCT 建立了一名 29 岁患者头骨的三维数字模型。根据患者的解剖结构，从扫描原型重建了两个下颌前突装置（Somnodent FlexTM 和 Somnodent AvantTM）的三维模型。整体几何形状被导入软件进行有限元研究。对装置施加了 11.18 牛顿的力，代表推进了 9.5 毫米。随后进行了有限元分析：Somnodent FlexTM 对牙周韧带产生的峰值为 3.27 kPa，对牙齿产生的峰值为 287 kPa。Somnodent AvantTM 对牙周韧带产生的最大应力为 4.53 kPa，对牙齿产生的最大应力为 467 kPa：结论：设备的不同激活机制会产生不同的应力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cranio-The Journal of Craniomandibular & Sleep Practice DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.50

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： CRANIO: The Journal of Craniomandibular & Sleep Practice is the oldest and largest journal in the world devoted to temporomandibular disorders, and now also includes articles on all aspects of sleep medicine. The Journal is multidisciplinary in its scope, with editorial board members from all areas of medicine and dentistry, including general dentists, oral surgeons, orthopaedists, radiologists, chiropractors, professors and behavioural scientists, physical therapists, acupuncturists, osteopathic and ear, nose and throat physicians. CRANIO publishes commendable works from outstanding researchers and clinicians in their respective fields. The multidisciplinary format allows individuals practicing with a TMD emphasis to stay abreast of related disciplines, as each issue presents multiple topics from overlapping areas of interest. CRANIO''s current readership (thousands) is comprised primarily of dentists; however, many physicians, physical therapists, chiropractors, osteopathic physicians and other related specialists subscribe and contribute to the Journal.