M-O

Mandible
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.

Maxilla
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.

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

Midline
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.

Molars
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.
Usage:
Neutral sodium fluoride is the remineralizing agent of choice for most patients with esthetic restorations, reduced salivary flow, and who cannot tolerate acidic fluorides.

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

Occlusion
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.

Orthodontics
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.