William M Hang DDS, MSD - The Case Against Having Teeth In Contact More Than 8 Hours
17 هزار بار بازدید -
11 سال پیش
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In this video Dr Hang
In this video Dr Hang describes the facial changes and possibility of headaches and pain when clenching and/or grinding for more than 8 hours a day.
11 سال پیش
در تاریخ 1392/04/25 منتشر شده
است.
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