MAGD – Mastership in the Academy of General Dentistry
Maintenance, Periodontal – Therapy for preserving the state of health of the periodontium.
Malignant – Having the properties of dysplasia, invasion, and metastasis.
Malocclusion – Improper alignment of biting or chewing surfaces of upper and lower teeth.
Maryland Bridge – A type of fixed partial denture not requiring crowns. The prosthesis is bonded to the natural teeth to secure it.
Maxilla – The upper jaw.
Molar – Teeth posterior to the premolars (bicuspids) on either side of the jaw; grinding teeth, having large crowns and broad chewing surfaces.
Mouthguard – Device that fits over the teeth to prevent injury to the teeth, mouth or lips. May also refer to a device that prevents tooth grinding or treats temporomandibular disorders.
Mucous Membrane – Lining of the oral cavity as well as other canals and cavities of the body; also called “mucosa.”