Overbite
Overbite[edit | edit source]
An overbite is a dental term referring to the extent of vertical (superior-inferior) overlap of the maxillary (upper) central incisors over the mandibular (lower) central incisors. This is usually measured in relation to the incisal ridges, the cutting edges of the front teeth.
Overview[edit | edit source]
An overbite is often mistakenly used interchangeably with the term malocclusion, but it specifically refers to the vertical overlap of the upper front teeth over the lower front teeth. It is one of the most common dental alignment issues.
Classification[edit | edit source]
Overbites can be classified into:
Normal Overbite[edit | edit source]
When the upper teeth overlap the lower teeth by about 1-2 millimeters.
Deep Overbite[edit | edit source]
Also known as a deep bite, it's when the overlap is excessive, often causing the lower front teeth to bite into the upper palate.
Horizontal Overbite[edit | edit source]
While a standard overbite measures vertical overlap, there can also be a horizontal component, sometimes called an overjet, where the upper teeth protrude forward.
Causes[edit | edit source]
Factors leading to an overbite include:
- Genetic predisposition.
- Childhood habits such as thumb sucking or prolonged pacifier use.
- Overdevelopment of the bone that supports the teeth.
- Grinding or clenching of the teeth.
Treatment[edit | edit source]
Treatment for an overbite depends on its severity and cause:
- Orthodontic Treatment: Braces are the most common solution. They apply pressure to the teeth over time, moving them into the correct position.
- Tooth Extraction: In cases of extreme overbite due to overcrowding, it might be necessary to remove one or more teeth.
- Surgery: In severe cases, especially in adults where the jaw has stopped growing, corrective jaw surgery might be recommended.
Complications[edit | edit source]
If untreated, an overbite can lead to various complications including:
- Tooth wear and damage.
- Jaw pain due to TMJ dysfunction.
- Speech impediments.
- Breathing issues.
See Also[edit | edit source]
References[edit | edit source]
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