The kinematic evaluation of dental splint for sleep related bruxism

2014 Fiscal Year Final Research Report

• Project/Area Number: 23592852
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Prosthetic dentistry
• Research Institution: The University of Tokushima
• Principal Investigator: OKURA Kazuo 徳島大学, 大学院ヘルスバイオサイエンス研究部, 講師 (70304540)
• Co-Investigator(Kenkyū-buntansha): SHIGEMOTO Shuji 徳島大学, 大学院ヘルスバイオサイエンス研究部, 助教 (20294704) ; ABE Susumu 徳島大学, 大学院ヘルスバイオサイエンス研究部, 講師 (10359911) ; SUZUKI Yoshitaka 徳島大学, 大学院ヘルスバイオサイエンス研究部, 助教 (40581393)
• Project Period (FY): 2011-04-28 – 2015-03-31
• Keywords: 顎口腔機能学 / 睡眠時ブラキシズム

Outline of Final Research Achievements

The aim of this study was to evaluate the therapeutic effect of the dental splint on sleep related bruxism (SB) and to clarify the relation between dental splint and mandibular rest position during sleep. 6 bruxer (3 males, 3 females: mean age 31.2 years old) participant this study. We used three different dental splints (acrylic stabilization, elastic stabilization and palatal splint) and recorded the mandibular movement and biological signals of a subject using a six-degrees-of-freedom system to measure mandibular position during sleep. Mean sleep efficiency of 6 subjects was 92.48%. Only one subject did not change the number of SB by using 3 different splints, but the other subjects reduced the number of SB by any kind of dental splint. Also, the pattern of masseter muscle activities were changed by using dental splint, but It showed large individual differences.

Free Research Field

歯科補綴学