• adult teeth
  • child teeth

Word Meaning
Macrodontia Teeth that are larger than normal. 
Malignant Cancerous. 
Malocclusion The abnormal or irregular alignment of teeth and/or jaws. 
Mandible The lower jaw. 
Maryland Bridge A bridge that is bonded onto natural untreated supporting teeth.
It is also used as a space maintainer for orthodontics. 
Mastication Chewing. 
Maxilla The upper jaw. 
Maxillo-Facial Surgeon A dental specialist treating problems of the jaws, teeth and facial structures. 
Medication The medical or dental treatment with drugs or remedies. 
Microabrasion Technique The use of hydrochloric acid and an abrasive material for tooth whitening. 
Milk Teeth Also known as baby, deciduous, first teeth or primary teeth. 
Mixed Dentition The presence in the mouth of some erupted baby and permanent teeth. The developmental stage during which both baby and permanent teeth are present in the mouth (approximately 6 to 12 years of age). 
Model (dental) Popular name for a cast of a tooth or teeth, usually in plaster or similar material. 
Molar Teeth The large back teeth used for chewing. 
Mottling The surface marking or staining of teeth.
Mouthguard A plastic flexible shield placed in the mouth to protect the teeth, gums and jaws against injury. Usually worn when playing contact sports. 
Mucous Membrane The soft tissue lining of the mouth.