dental and oral hygiene

Brush and floss teeth

每次以兩顆牙齒為單位來回刷

洗刷牙齒內外面時，刷毛與牙面呈 45° 角

貝氏刷牙法 (The Bass Method)

1
上顎: 頰側 → 咬合面 → 顎側
2

3
下顎: 舌側 → 咬合面 → 頰側

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