OCaldwell Dentist occlusion – lineup of upper and lower teeth surfaces when mouth is closed, also known as “bite”onlay – prosthetic restoration that covers the occlusal (biting/chewing) surface of a tooth, but not the whole toothoperculectomy – surgical removal of the operculumoperculum – tissue flap covering partially or fully unerupted toothoral – referring to the mouthoral and maxillofacial surgeon – 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, including surgical treatments of the oral and maxillofacial areasoral and maxillofacial surgery – surgical treatment of the mouth, jaw, and related areas, may include extraction, repair of defects or fractures, removal of tumors or cysts, and othersoral cavity – the inside of the mouthoral hygiene – establishment and maintenance of habits designed to keep mouth, gums, and teeth healthyoral pathologist – dental specialist who focuses on study, diagnosis, and management of diseases affecting the oral cavity, jaws, and other connected areasoral pathology – the study, diagnosis, and management of diseases affecting the oral cavity, jaws, and other connected areasorthodontics – dental specialty concerned with the diagnosis, prevention, and treatment of malocclusion and other neuromuscular or skeletal abnormalities of the orofacial structureorthodontist – dental specialist who focuses on the diagnosis, prevention, and treatment of malocclusion and other neuromuscular or skeletal abnormalities of the orofacial structureorthognathic – refers to the functional relationship between the mandible and maxilla (upper and lower jaws)osseous – refers to bone tissueosteoplasty – surgical procedure that modifies bone structureosteotomy – surgical procedure involving the cutting of bone structureoverbite – orthodontic issue, when upper front teeth significantly overlap the lower