Fig. 1. The main structures in the oral cavity showing lip, soft palate, retromolar trigone, tongue, gingiva, floor of mouth, tonsil and tonsillar fossae, buccal mucosa, and hard palate (upper), and identification of studies via MEDLINE/PubMed database after removing duplicates and irrelevant studies (lower).

J Korean Assoc Oral Maxillofac Surg 2024;50:309~325
https://doi.org/10.5125/jkaoms.2024.50.6.309

© JKAOMS