Computer-aided mandibular repositioning system for efficacy prediction of oral appliance in patients with obstructive sleep apnea-hypopnea syndrome.
- Author:
Yue-hua LIU
1
;
Xiao-guang ZHAO
;
Bao-fu XU
;
Juan LI
;
Min-xun LU
Author Information
- Publication Type:Journal Article
- MeSH: Adult; Aged; Computer-Aided Design; Humans; Male; Mandibular Advancement; instrumentation; Middle Aged; Sleep Apnea, Obstructive; therapy; Treatment Outcome
- From: Chinese Journal of Stomatology 2006;41(2):86-89
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo develop a computer-aided mandibular repositioning system (CAMRS) and investigate its preliminary application in efficacy prediction of oral appliance in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS).
METHODSCAMRS was mainly consisting of a step motor and a screw that was remote-controlled by a computer. This system could work with polysomnography (PSG). Fourteen OSAHS patients diagnosed by PSG were recruited. With CAMRS, six mandibular positions were titrated with PSG for every hour.
RESULTSStable mandible positioning and little sleeping disturbance were observed. Apnea hypopnea index (AHI) was improved progressively with mandibular advancement. The extent of mandibular advancement was correlated with the severity of OSAHS (r = 0.72747).
CONCLUSIONSCAMRS could reproductively and effectively reposition mandible with little sleeping disturbance. Through CAMRS, an individualized optimal mandibular position could be obtained for each OSAHS patient treated with oral appliance.
