• adult teeth
  • child teeth

Word Meaning
Tartar A hard deposit on a tooth at or below the gum line. 
Temporo-Mandibular Joint (TMJ) It connects the lower jaw to the skull and allows the movement of the jaw. 
The Bite The positions of upper and lower teeth and jaws when they meet.
The way upper and lower teeth meet 
Thermal Tests on Teeth The application of heat and cold to the tooth to determine the state of the nerves and blood vessels (pulp). 
TMD Temporomandibular dysfunction. 
Tongue Thrust The placing of the tongue between the front teeth, especially in the initial stage of swallowing. This action, often combined with a resting position that is also between the teeth, can prevent normal eruption and so produce an open bite. 
Topical Anaesthetic A paste or ointment applied to numb the gum before a local injection is given. 
Trauma Injury (to teeth and mouth). 
Tumour A growth.