Which term describes the horizontal projection of the upper teeth beyond the lower teeth?

Which term describes the horizontal projection of the upper teeth beyond the lower teeth?

• A. Overjet
• B. Abutment
• C. Composite Restoration
• D. Curettage

Answer: (A)

Overjet describes the horizontal projection of the upper teeth ahead of the lower teeth. It’s the distance between the fronts of the upper and lower incisors in the bite, usually measured in millimeters. This distinguishes it from vertical overlap, which is the overbite. A normal overjet is about 2 to 3 mm; a larger overjet often appears with Class II malocclusion, while a reduced or reversed overjet indicates an underbite. The other terms refer to different concepts: an abutment is a tooth or implant that supports a prosthesis; a composite restoration is a tooth-colored filling; curettage is the surgical removal of tissue from a periodontal pocket.

Overjet describes the horizontal projection of the upper teeth ahead of the lower teeth. It’s the distance between the fronts of the upper and lower incisors in the bite, usually measured in millimeters. This distinguishes it from vertical overlap, which is the overbite. A normal overjet is about 2 to 3 mm; a larger overjet often appears with Class II malocclusion, while a reduced or reversed overjet indicates an underbite. The other terms refer to different concepts: an abutment is a tooth or implant that supports a prosthesis; a composite restoration is a tooth-colored filling; curettage is the surgical removal of tissue from a periodontal pocket.