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[Effect of occlusal reconstruction on cerebral blood flow and cerebral oxygen saturation in patients with
Xiao-Hui Lu1, Guang-Ping Xie2, Xin-Hua Gu3
1Medical Center of Oral Cavity, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China; Department of Stomatology, Medical School, Huzhou Normal College, Huzhou 313000, China.
Objective:
To investigate the effect of occlusal reconstruction on blood flow velocity and cerebral oxygen saturation in patients with malocclusion.
Methods:
Thirty-three patients with malocclusion treated with occlusal reconstruction in Department of Stomatology, Medical School of Huzhou Normal College from Feb 2011 to Oct 2013 were enrolled in the study. The systolic peak flow velocity (vs), end-diastolic peak flow (vd) , mean peak flow velocity (vm) of middle cerebral artery and the oxygen saturation (rScO2) in the brain were detected at rest or chewing status by using transcranial Doppler color ultrasonography and near-infrared spectroscopy, respectively.
Results:
In rest state, vm was significantly increased on 3 months after treatment, while vs and vd were significantly increased on 6 months after treatment and rScO2 were increased on 12 months after treatment (P<0.05). In chewing state, vs, vm, and rScO2 were increased on 3 months after treatment, and vd was increased on 6 months after treatment (P<0.05).
Conclusion:
Occlusal reconstruction can increase blood flow velocity of middle cerebral artery and cerebral oxygen saturation and improve oxygen supply of the brain in patients with malocclusion.
