Mouth Opening Movement
The open position is held for about a 5-count. The mouth should be opened as far as possible while maintaining pressure. Pressure should remain directed into the sides of the teeth after spreading the mouth.
1 sources - 3 claims
The open position is held for about a 5-count. The mouth should be opened as far as possible while maintaining pressure. Pressure should remain directed into the sides of the teeth after spreading the mouth.