overbite
Học thuậtThân thiện
Definition
Noun: A dental condition where the upper front teeth overlap the lower front teeth vertically to an excessive degree. This is a type of malocclusion (imperfect positioning of the teeth when the jaws are closed).
Usage
The term is used specifically in dental and medical contexts to describe a common orthodontic issue. It is a countable noun. * An overbite can sometimes cause jaw pain or difficulty chewing. * The orthodontist said her overbite was quite pronounced. * He is getting braces to correct his overbite.
Advanced Usage
- Deep overbite: A more severe form where the upper teeth cover the lower teeth almost completely.
- A deep overbite may require more complex orthodontic treatment.
- Skeletal overbite: An overbite caused primarily by the underlying bone structure of the jaws, rather than just the position of the teeth.
- His skeletal overbite meant that jaw surgery was a possible option.
Variants and Related Words
- Overjet (Noun): Often confused with overbite. Overjet refers to the horizontal protrusion of the upper teeth over the lower teeth (sometimes called "buck teeth"), while overbite refers to the vertical overlap.
- Malocclusion (Noun): The general term for any misalignment of teeth or incorrect relation between the teeth of the two dental arches.
- Underbite (Noun): The opposite condition, where the lower teeth extend forward past the upper teeth.
Synonyms
- Deep bite (clinical synonym)
- Vertical overlap (descriptive term)
Antonyms
- Underbite: A malocclusion where the lower teeth protrude past the upper teeth.
- Open bite: A malocclusion where the upper and lower teeth do not touch when the mouth is closed.
Noun
- (dentistry) malocclusion in which the upper teeth extend abnormally far over the lower teeth