occlusion<\/strong> – lineup of upper and lower teeth surfaces when mouth is closed, also known as “bite”<\/p>\n onlay<\/strong> – prosthetic restoration that covers the occlusal (biting\/chewing) surface of a tooth, but not the whole tooth<\/p>\n operculectomy<\/strong> – surgical removal of the operculum<\/p>\n operculum<\/strong> – tissue flap covering partially or fully unerupted tooth<\/p>\n oral<\/strong> – referring to the mouth<\/p>\n oral and maxillofacial surgeon<\/strong> – specialist with at least 4 additional years of specialized training beyond the dental degree, diagnoses and treats oral diseases, injuries, deformities, defects, or other issues,\u00a0including surgical treatments of the oral and maxillofacial areas<\/p>\n oral and maxillofacial surgery<\/strong> – surgical treatment of the mouth, jaw, and related areas, may include extraction, repair of defects or fractures, removal of tumors or cysts, and others<\/p>\n oral cavity<\/strong> – the inside of the mouth<\/p>\n oral hygiene<\/strong> – establishment and maintenance of habits designed to keep mouth, gums, and teeth healthy<\/p>\n oral pathologist<\/strong> – dental specialist who focuses on study, diagnosis, and management of diseases affecting the oral cavity, jaws, and other connected areas<\/p>\n oral pathology<\/strong> – the\u00a0study, diagnosis, and management of diseases affecting the oral cavity, jaws, and other connected areas<\/p>\n