| 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. |