Rest Position of the Tongue
The dorsum rests against the roof of the mouth and the tip of the tongue rests in contact with the lingual surfaces of the lower incisor teeth.
The lateral borders lie against the lingual borders of the posterior teeth and protrude slightly into the free-way space between the occlusal surfaces of the upper and lower teeth.
Posteriority the soft palate rests on the dorsum of the tongue during normal nasal breathing.
When the teeth are extracted the tongue spreads laterally and the lips and cheeks fall in to meet it so filling between them the space left by the teeth, sometimes termed the neutral zone or zone of minimal conflict.
The dorsum rests against the roof of the mouth and the tip of the tongue rests in contact with the lingual surfaces of the lower incisor teeth.
The lateral borders lie against the lingual borders of the posterior teeth and protrude slightly into the free-way space between the occlusal surfaces of the upper and lower teeth.
Posteriority the soft palate rests on the dorsum of the tongue during normal nasal breathing.
When the teeth are extracted the tongue spreads laterally and the lips and cheeks fall in to meet it so filling between them the space left by the teeth, sometimes termed the neutral zone or zone of minimal conflict.
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