An abnormal opening or fissure between two adjacent teeth.

The fraudulent misrepresentation of the diagnosis and treatment of disease.

Persistent, unwanted idea or impulse which is considered normal when it does not markedly interfere with mental processes or emotional adjustment.

The collective tissues from which an entire tooth is formed, including the DENTAL SAC; ENAMEL ORGAN; and DENTAL PAPILLA. (From Jablonski, Dictionary of Dentistry, 1992)

One of a set of bone-like structures in the mouth used for biting and chewing.

The labial frenum, also known as the frenulum of the lip, is a mucous membrane fold that attaches the inner surface of the upper or lower lip to the corresponding gum region, containing muscle fibers and blood vessels, which can vary in length and thickness, and may sometimes cause dental issues if it's too tight or short, referred to as a maxillary labial frenum or mandibular labial frenum respectively.

A facial expression which may denote feelings of pleasure, affection, amusement, etc.

Death of pulp tissue with or without bacterial invasion. When the necrosis is due to ischemia with superimposed bacterial infection, it is referred to as pulp gangrene. When the necrosis is non-bacterial in origin, it is called pulp mummification.

Therapeutic closure of spaces caused by the extraction of teeth, the congenital absence of teeth, or the excessive space between teeth.

The process of TOOTH formation. It is divided into several stages including: the dental lamina stage, the bud stage, the cap stage, and the bell stage. Odontogenesis includes the production of tooth enamel (AMELOGENESIS), dentin (DENTINOGENESIS), and dental cementum (CEMENTOGENESIS).

An extra tooth, erupted or unerupted, resembling or unlike the other teeth in the group to which it belongs. Its presence may cause malposition of adjacent teeth or prevent their eruption.

A treatment modality in endodontics concerned with the therapy of diseases of the dental pulp. For preparatory procedures, ROOT CANAL PREPARATION is available.