The safety of the interaction of dental materials and tissue in the oral cavity is assessed in studies grouped under the heading of: biocompatibility
the structure of the oral cavity. Lips, the retromolar trigone (the area behind the wisdom teeth), the soft palate (the muscular back portion of the roof of the mouth), the front two-thirds of the tongue, gingiva (gums), buccal mucosa (the inner lining of the lips and cheeks), and the floor of the mouth beneath the tongue are all parts of the oral cavity. concerns the mouth.
The lips, the lining of the cheeks and lips, the upper and lower gums, the floor of the mouth beneath the tongue, the bony roof of the mouth, and the little space behind the wisdom teeth are all included in this region.
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