The oral cavity is composed of two lips, two cheeks, hard palate, soft palate, etc. There are organs such as teeth, tongue, and salivary glands in the oral cavity
The cavity inside the mouth is composed of two lips, two cheeks, hard palate, soft palate, etc. There are organs such as teeth, tongue, and salivary glands in the oral cavity. In the oral cavity, the dental arch serves as the dividing line, dividing the oral cavity into the intrinsic oral cavity within the arch and the oral vestibule outside the arch