Alternate term: Mandibular arch
Lay terms: Bottom or lower jaw
Definition: The movable lower jaw.

Usage: The mandible is a common site for fractures due to accidents, assaults, or disease.

Mandibular Teeth
Lay terms: Bottom or lower teeth
Definition: The teeth in the mandible.
Usage: Mandibular teeth crowding is related to arch and crown dimensions.

Alternate term: Maxillary arch
Lay terms: Top or upper jaw
Definition: The fixed upper jaw.
Usage: Standard treatment for patients with facial clefts is bone grafting in the dental ridge of the maxilla.

Maxillary Teeth
Lay terms: Top or upper teeth
Definition: The teeth in the maxilla.
Usage: Posterior maxillary teeth roots can be located in the sinuses and may cause sinus headaches.

Mechanical Plaque Removal
Definition: The process of rubbing something, like a toothbrush or floss, directly on the tooth surface.
Usage: A toothbrush mechanically removes plaque when the bristles of the brush move along the surface of the tooth.

Definition: The tooth surface toward the midline.
Usage: The cuspid is mesial to the bicuspid.

Alternate term: Dental midline
Definition: An imaginary line that divides the head and dental arches into two halves.
Usage: A symmetric midline position is an important diagnostic feature in orthodontic treatment planning.

Definition: The grinding teeth, of which there are typically six in each jaw, located in the posterior mouth with four cusps.
Usage: Preformed metal crowns are one treatment option for restoring severely decayed primary molar teeth in children.

Neutral Sodium Fluoride
Alternate term: NaF
Definition: A pH-neutral salt of sodium and fluoride that reduces demineralization and promotes remineralization.
Neutral sodium fluoride is the remineralizing agent of choice for most patients with esthetic restorations, reduced salivary flow, and who cannot tolerate acidic fluorides.

Definition: The chewing surface of posterior teeth.
Usage: The molars have the largest occlusal surfaces of all the teeth.

Lay term: Bite
Definition: The contact between the maxillary and mandibular teeth in all mandibular positions and movements.
Usage: Teeth grinding is a common sign of problems with occlusion.

Oral and Maxillofacial Surgery
Alternate term: OMS
Definition: Branch of dentistry that deals with conditions, defects, injuries, and esthetics pertaining to the mouth, teeth, jaws, and face.
Usage: Problematic wisdom teeth, facial pain, and misaligned jaws are common conditions treated by oral and maxillofacial surgeons.

Oral Irrigation
Definition: Targeted delivery of water or solution to specific locations within the mouth.
Usage: For orthodontic patients, oral irrigation is an effective method of removing plaque and reducing gingivitis.

Definition: Branch of dentistry that deals with the movement of tooth structure within the jaw bones and growth of the jaw structure itself.
Usage: A dentist who specializes in orthodontics is called an Orthodontist.