O

Dental Glossary Terms Starting With O

Overjet

Overjet refers to the horizontal projection of the upper front teeth beyond the lower front teeth when the jaws are...

Overbite

An overbite is the vertical overlap of the upper front (incisor) teeth over the lower front teeth. A small amount...

Osteointegration

Osteointegration is the biological process in which living bone grows and bonds directly to the surface of a dental implant,...

Orthopantomogram (OPG)

An Orthopantomogram (OPG) is a wide-view panoramic radiograph that displays both the upper and lower jaws, all teeth, the temporomandibular...

Oral Prophylaxis

Oral prophylaxis is a routine professional dental cleaning performed by a dentist or dental hygienist to remove plaque, calculus (tartar)...

Oral Hygiene

Oral hygiene refers to the daily habits and practices that keep the mouth, teeth and gums clean and help prevent...

Onlay

An onlay is a type of indirect dental restoration fabricated outside the mouth to repair a tooth that has damage...

Occlusion

Occlusion is the term dentists use to describe the way the upper and lower teeth come together during biting and...

Osseointegration

Osseointegration is the process by which living bone fuses directly to the surface of an implant, forming a strong and...