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anterior - Forward, toward the front of the mouth and the midline.apical - Toward the root of the tooth; apex of the tooth.bifurcated - Single tooth with two roots.buccal - The surface that is facing the cheeks in the back of the mouth.cementum - The tissue covering the root of the tooth.cementoenamel junction (CEJ) - The line where the enamel and the cementum of the tooth join.cingulum - A small bump near the cervical third of an anterior tooth on the lingual side.crown - The portion of the tooth above the gumline starting at the cementoenamel junction.cusp - The top portion of the tooth; the tip or point.deciduous teeth - The first set of teeth, also known as primary teeth.dentin - The tissue of the tooth between the pulp and the enamel and cementum; the majority of the tooth.dentition - A set of teeth.dentoenamel junction (DEJ) - The junction where the enamel meets the dentin.distal - Surface of the tooth away from the midline of the face.dorsal - The top surface.enamel - The tissue covering the crown of the tooth; the hardest substance in the body.epithelial attachment - At the base of the sulcus where the epithelial tissue is attached to the tooth.facial - Toward the lips or cheeks. In the back of the mouth the term buccal may be utilized, and in the front of the mouth the term labial may be utilized.fissure - A natural groove in the tooth.fossa - A shallow depression in the tooth.gingiva - The tissue that surrounds the teeth; also known as gums.incisal - Toward the cutting edge of the anterior teeth. This is the end opposite the apex of the tooth.interdental - Space between two adjacent teeth.interproximal - Between the adjacent surfaces of two teeth.keratinized - Firm stippled texture, such as the tissue of the attached gingiva.labial - Facial side; typically used in reference to anterior teeth.lateral - Sides.lingual - Toward the tongue.mandibular - Referring to the lower jaw.maxillary - Referring to the upper jaw.mesial - Surface of the tooth facing toward the midline of the face.midline - An imaginary line that divides the body into equal right and left halves.mucogingival junction - An area where the mucosa meets the attached gingiva.mucosa - The soft tissue that is non-keratinized and covers the cheeks, floor of the mouth, soft palate, alveolar processes and other structures.occlusal - The chewing surface of the posterior (back) teeth.occlusion - A term used to define how the upper and lower teeth meet when closing the jaws.palate - Roof of the mouth. It is divided into two parts: the hard palate and the soft palate.periapical - Around the apex of the tooth.periodontal ligaments - A thin series of fibers that connect the tooth to the bone.periodontium - The surrounding and supporting structures of the teeth.posterior - Toward the back of the mouth, behind.pulp - The inner most part of the tooth that contains the blood vessels and nerves.quadrant - The mouth is divided into 4 quadrants; 2 in the maxillary and 2 in the mandibular.succedaneous - The permanent teeth that replace the 20 primary teeth.sulcus - The area formed by the free gingiva (non attached) lying next to the tooth. It is a trough area and can also be known as the gingiva crevice.ventral - Toward the bottom surface; the underside of the tongue is known as the ventral surface.

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