| Word |
Meaning |
| Occlusal Surface |
The chewing surface of a back tooth. |
| Occlusion |
The normal relationship of the upper and lower teeth when chewing, and when the jaws are closed. |
| Onlay |
A solid filling made outside the mouth and cemented into a prepared cavity. It covers all or part of the chewing surface of a back tooth. |
| Open bite |
A malocclusion in which some teeth cannot be brought into contact with opposing teeth. |
| Oral |
Relating to the mouth. |
| Oral Hygiene |
Keeping teeth and gums healthy by brushing, flossing etc. |
| Oral Surgeon |
A dental specialist for tooth extraction, removal of tumours, fractures of the jaw and other injuries. |
| Orthodontic Appliance |
Any device used to influence the growth or position of teeth and jaws. |
| Orthodontist |
A dental specialist for the correction of irregular teeth, and the reshaping of the jaws. |
| Overdenture |
A denture that rests on implants and/or remnants of teeth. |
