Validation of the BiteStrip screener for sleep bruxism
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Validation of the BiteStrip screener for sleep bruxism
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology
Volume 104, Issue 3, September 2007, Pages e32-e39
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Tamar Shochat DSc, e, Anat Gavish DMD b, Elena Arons PhD a, Noam Hadas MA c, Alex Molotsky PhD c, Peretz Lavie PhD d and Arie Oksenberg PhD a,
a Sleep Disorders Unit, Loewenstein HospitalŰRehabilitation Center, Raanana, Israel.
b School of Dentistry, Tel Aviv University, Tel Aviv, Israel.
c Scientific Laboratory Products (S.L.P.), Ltd, Tel Aviv, Israel.
d Sleep Laboratory, TechniconŰIsrael Institute of Technology, Haifa, Israel.
e Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel.
Received 11 July 2006; revised 26 February 2007; accepted 12 March 2007. Available online 6 July 2007.
Objective
The aim of this study was to validate a small electronic electromyographic device (BiteStrip) designed to screen masseter electromyographic events that indicate sleep bruxism (SB) against traditional masseter electromyographic events (MEMG).
Study design
Six SB treatment-seeking patients, 4 obstructive sleep apnea (OSA) patients and 8 symptom-free controls, underwent overnight polysomnography, including MEMG and BiteStrip recordings. Total BiteStrip and MEMG scores and indices (events per hour) based on total recording time (TRT) and total sleep time (TST) were computed. Measures of accuracy, SpearmanĚs rho correlations, and nonparametric group comparisons were performed.
Results
BiteStrip average sensitivity was 0.72, average positive predictive value was 0.75. Correlations between left BiteStrip and MEMG total scores, TRT, and TST indices were r = 0.81, r = 0.79, and r = 0.79, respectively. Bland-Altman plots showed good agreement between indices. Significant group differences were observed for total scores and indices.
Conclusions
BiteStrip and MEMG scores showed strong relationships. Sensitivity and positive predictive value were acceptable. The BiteStrip is a viable screener for identifying masseter electromyographic events that indicate SB.
Objective
The aim of this study was to validate a small electronic electromyographic device (BiteStrip) designed to screen masseter electromyographic events that indicate sleep bruxism (SB) against traditional masseter electromyographic events (MEMG).
Study design
Six SB treatment-seeking patients, 4 obstructive sleep apnea (OSA) patients and 8 symptom-free controls, underwent overnight polysomnography, including MEMG and BiteStrip recordings. Total BiteStrip and MEMG scores and indices (events per hour) based on total recording time (TRT) and total sleep time (TST) were computed. Measures of accuracy, SpearmanĚs rho correlations, and nonparametric group comparisons were performed.
Results
BiteStrip average sensitivity was 0.72, average positive predictive value was 0.75. Correlations between left BiteStrip and MEMG total scores, TRT, and TST indices were r = 0.81, r = 0.79, and r = 0.79, respectively. Bland-Altman plots showed good agreement between indices. Significant group differences were observed for total scores and indices.
Conclusions
BiteStrip and MEMG scores showed strong relationships. Sensitivity and positive predictive value were acceptable. The BiteStrip is a viable screener for identifying masseter electromyographic events that indicate SB.
Objective
The aim of this study was to validate a small electronic electromyographic device (BiteStrip) designed to screen masseter electromyographic events that indicate sleep bruxism (SB) against traditional masseter electromyographic events (MEMG).
Study design
Six SB treatment-seeking patients, 4 obstructive sleep apnea (OSA) patients and 8 symptom-free controls, underwent overnight polysomnography, including MEMG and BiteStrip recordings. Total BiteStrip and MEMG scores and indices (events per hour) based on total recording time (TRT) and total sleep time (TST) were computed. Measures of accuracy, SpearmanĚs rho correlations, and nonparametric group comparisons were performed.
Results
BiteStrip average sensitivity was 0.72, average positive predictive value was 0.75. Correlations between left BiteStrip and MEMG total scores, TRT, and TST indices were r = 0.81, r = 0.79, and r = 0.79, respectively. Bland-Altman plots showed good agreement between indices. Significant group differences were observed for total scores and indices.
Conclusions
BiteStrip and MEMG scores showed strong relationships. Sensitivity and positive predictive value were acceptable. The BiteStrip is a viable screener for identifying masseter electromyographic events that indicate SB.
Reprint requests: Arie Oksenberg, PhD, Sleep Disorders Unit, Rehabilitation Center, Loewenstein Hospital, PO Box 3, 43100 Raanana, Israel
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