In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects.

In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Research Abstract Details 

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In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Abstract Text:

Michelle A Ommerborn,Christine Schneider,Maria Giraki,Ralf Schafer,Preeti Singh,Matthias Franz,Wolfgang H M Raab,

STATEMENT OF PROBLEM: Occlusal load has frequently been suggested to be involved in the development of a noncarious cervical lesion (NCL). However, there is a lack of clinical studies evaluating NCLs and occlusal parameters in sleep bruxism (SB) subjects. PURPOSE: The purpose of this clinical study was to assess the frequency of NCLs and determine potential occlusal differences between SB subjects and healthy control subjects. MATERIAL AND METHODS: A total of 91 volunteers, 58 women and 33 men, with a mean (SD) age of 28.37 (4.89) years (range of 20 to 39 years), participated in this investigation. The clinical assessment of SB was based on the criteria of the American Academy of Sleep Medicine. The participants were divided into 2 groups; 58 subjects were assigned to the SB group and 33 subjects to the control group, following a thorough dental examination that was performed by a single trained dentist. Additionally, the following parameters were recorded: mean number of teeth present, existence/absence of NCLs, frequency of NCLs relating to the type of tooth, type of occlusal guidance scheme, existence of a slide from centric occlusion (CO) to maximum intercuspation (MI), length of the slide, and report of tooth hypersensitivity. Group differences were statistically analyzed using chi-square tests for the qualitative variables and Mann-Whitney U tests for the quantitative variables (alpha=.05). RESULTS: NCLs were significantly more prevalent in SB subjects (39.7%) than in the control subjects (12.1%) (P=.006). In SB subjects, the first premolars were the teeth most affected, and in control subjects, the first molars were most affected. Tooth hypersensitivity was reported in 62.1% of the SB subjects and in 36.4% of the control subjects (P=.018). The evaluation of occlusal guidance schemes revealed no significant difference between the groups. In SB subjects (70.7%), a slide from CO to MI was significantly more prevalent than in control subjects (42.4%) (P=.008). Moreover, SB subjects demonstrated a significantly longer mean (SD) slide of 0.77 (0.69) mm compared to that of control subjects of 0.4 (0.57) mm (P=.008). CONCLUSIONS: Within the limitations of this study, SB subjects demonstrated significantly more NCLs than the control group; whereas, the type of occlusal guidance scheme seems to be of minor importance in the development of NCLs.

In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Publishing Authors By Initials

MA Ommerborn,C Schneider,M Giraki,R Schafer,P Singh,M Franz,WH Raab,

For similar tooth components: tooth cervix research abstracts see: tooth components: tooth cervix research

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In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: The Journal of prosthetic dentistry

VOLUME: 98

Page Numbers: 150-8

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ISSN: 0022-3913

DAY: 29

MONTH: Aug

YEAR: 2007

In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Information

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LANGUAGE: eng

NlmUniqueID: 376364

In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects. Keywords Mesh Terms:

KEYWORDS: Tooth Cervix

MESH TERMS: pathology

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Grant and Affiliation Information for In vivo evaluation of noncarious cervical lesions in sleep bruxism subjects.

AFFILIATION: Department of Operative and Preventive Dentistry and Endodontics, Heinrich-Heine University, Duesseldorf, Germany. Michelle.Ommerborn@uni-duesseldorf.de

Country: United States

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MEDLINETA: J Prosthet Dent

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