Published online Jan 31, 2010.
https://doi.org/10.5395/JKACD.2010.35.1.020
Mouthguard for relief of repeated clenching stress to cervical restorations during exercises
Abstract
Mouthguards were used to protect boxers from lip lacerations and other soft tissue injuries in the late 19th century. Now they are used various parts of dental treatment, which are sports protective aid, bleaching tray, orthodontic retainer, implant insertion guide tray, splint and so on.
Repeated dislodgement of Class V restoration due to habitual clenching stress should be restored with stress control. Mouthguard can be used as stress relief device.
This case describes methods that can relieve occlusal force to teeth by using mouthguard.
Satisfactory results can be obtained by using mouthguard for retention of repeated dislodgement Class V restorations.
If patients suffered from repeated restorations of Class V due to clenching, mouthguard can be used additional device to relieve the occlusal stress in conservative dentistry.
Figure 1
Clenching habit during exercise.
Figure 2
Customized mouthguard.
Figure 3
Occlusal analysis by T-Scan II.
Figure 4
Difference appearance of occlusal analysis with/without mouthguard.
Figure 5
No restoration dislodgement during 1 year 5 month.
Figure 6
Mouthguard made by laminated technique.
Figure 7
Deformed mouthguard.
References
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Andreasen JO, Andreasen FM, Andersson L. In: Textbook and Color Atlas of Traumatic Injuries to the Teeth. 4th edition. 2007. pp. 817-820.
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Yokoyama Y, Ishijima T, Hirai T. Involuntary clenching during elbow flexion exercise. J Jpn Soc Stomatognath Funct 1996;3:67–72.
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Emura I, Maeda Y, Ohtani T, Okada M, Nokubi T, Okuno Y, Onoue Y, Maeada N, Yoshioka W, Tsutsumi S. Clinical application of T-Scan System. 2. Evaluation of soft mouthguards. Osaka Daigaku Shigaku Zasshi 1990;35:441–446.
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