Hypodontia: Difference between revisions
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{{Infobox medical condition | |||
| name = Hypodontia | |||
| image = [[File:Unilateral_and_Bilateral_Cleft_Lip_and_Palate.png|250px]] | |||
| caption = Example of dental anomalies associated with cleft lip and palate | |||
| field = [[Dentistry]], [[Oral and maxillofacial surgery]] | |||
| synonyms = Congenitally missing teeth | |||
| pronunciation = | |||
| specialty = [[Dentistry]], [[Orthodontics]] | |||
| symptoms = Missing one or more teeth | |||
| complications = [[Malocclusion]], [[Aesthetic concerns]], [[Speech difficulties]] | |||
| onset = Congenital | |||
| duration = Lifelong | |||
| causes = Genetic factors, [[Environmental factors]] | |||
| risks = Family history, [[Syndromes]] such as [[Ectodermal dysplasia]], [[Cleft lip and palate]] | |||
| diagnosis = [[Clinical examination]], [[Dental X-ray]] | |||
| differential = [[Tooth impaction]], [[Tooth agenesis]] | |||
| prevention = None | |||
| treatment = [[Orthodontic treatment]], [[Prosthetic replacement]], [[Dental implants]] | |||
| frequency = 3-10% of the population | |||
| deaths = None | |||
}} | |||
[[File:Single_crown_implant.jpg|Hypodontia|thumb|left]] | |||
'''Hypodontia''' is a dental condition characterized by the absence of one or more teeth. This can occur in both the primary and permanent dentition. Hypodontia is one of the most common developmental anomalies in human dentition, affecting approximately 20% of the population. | '''Hypodontia''' is a dental condition characterized by the absence of one or more teeth. This can occur in both the primary and permanent dentition. Hypodontia is one of the most common developmental anomalies in human dentition, affecting approximately 20% of the population. | ||
==Etiology== | ==Etiology== | ||
The etiology of hypodontia is multifactorial, involving both genetic and environmental factors. Genetic factors include mutations in genes such as [[MSX1]], [[PAX9]], and [[AXIN2]], which are involved in tooth development. Environmental factors include prenatal exposure to drugs, radiation, or infections. | The etiology of hypodontia is multifactorial, involving both genetic and environmental factors. Genetic factors include mutations in genes such as [[MSX1]], [[PAX9]], and [[AXIN2]], which are involved in tooth development. Environmental factors include prenatal exposure to drugs, radiation, or infections. | ||
==Classification== | ==Classification== | ||
Hypodontia is classified based on the number of missing teeth. If one to six teeth are missing, it is referred to as hypodontia. If more than six teeth are missing, it is referred to as [[oligodontia]]. If all teeth are missing, it is referred to as [[anodontia]]. | Hypodontia is classified based on the number of missing teeth. If one to six teeth are missing, it is referred to as hypodontia. If more than six teeth are missing, it is referred to as [[oligodontia]]. If all teeth are missing, it is referred to as [[anodontia]]. | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of hypodontia is typically made through dental examinations and radiographs. In some cases, genetic testing may be used to identify mutations associated with hypodontia. | Diagnosis of hypodontia is typically made through dental examinations and radiographs. In some cases, genetic testing may be used to identify mutations associated with hypodontia. | ||
==Treatment== | ==Treatment== | ||
Treatment for hypodontia depends on the number of missing teeth and the patient's age and overall health. Options may include dental implants, bridges, or dentures. In some cases, orthodontic treatment may be needed to correct malocclusion caused by hypodontia. | Treatment for hypodontia depends on the number of missing teeth and the patient's age and overall health. Options may include dental implants, bridges, or dentures. In some cases, orthodontic treatment may be needed to correct malocclusion caused by hypodontia. | ||
==See also== | ==See also== | ||
* [[Tooth development]] | * [[Tooth development]] | ||
* [[Dental anomalies]] | * [[Dental anomalies]] | ||
* [[Dental genetics]] | * [[Dental genetics]] | ||
[[Category:Dental conditions]] | [[Category:Dental conditions]] | ||
[[Category:Genetic disorders]] | [[Category:Genetic disorders]] | ||
{{Dentistry-stub}} | {{Dentistry-stub}} | ||
{{Genetics-stub}} | {{Genetics-stub}} | ||
Latest revision as of 02:35, 6 April 2025
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| Hypodontia | |
|---|---|
| |
| Synonyms | Congenitally missing teeth |
| Pronounce | N/A |
| Specialty | Dentistry, Orthodontics |
| Symptoms | Missing one or more teeth |
| Complications | Malocclusion, Aesthetic concerns, Speech difficulties |
| Onset | Congenital |
| Duration | Lifelong |
| Types | N/A |
| Causes | Genetic factors, Environmental factors |
| Risks | Family history, Syndromes such as Ectodermal dysplasia, Cleft lip and palate |
| Diagnosis | Clinical examination, Dental X-ray |
| Differential diagnosis | Tooth impaction, Tooth agenesis |
| Prevention | None |
| Treatment | Orthodontic treatment, Prosthetic replacement, Dental implants |
| Medication | N/A |
| Prognosis | N/A |
| Frequency | 3-10% of the population |
| Deaths | None |
Hypodontia is a dental condition characterized by the absence of one or more teeth. This can occur in both the primary and permanent dentition. Hypodontia is one of the most common developmental anomalies in human dentition, affecting approximately 20% of the population.
Etiology[edit]
The etiology of hypodontia is multifactorial, involving both genetic and environmental factors. Genetic factors include mutations in genes such as MSX1, PAX9, and AXIN2, which are involved in tooth development. Environmental factors include prenatal exposure to drugs, radiation, or infections.
Classification[edit]
Hypodontia is classified based on the number of missing teeth. If one to six teeth are missing, it is referred to as hypodontia. If more than six teeth are missing, it is referred to as oligodontia. If all teeth are missing, it is referred to as anodontia.
Diagnosis[edit]
Diagnosis of hypodontia is typically made through dental examinations and radiographs. In some cases, genetic testing may be used to identify mutations associated with hypodontia.
Treatment[edit]
Treatment for hypodontia depends on the number of missing teeth and the patient's age and overall health. Options may include dental implants, bridges, or dentures. In some cases, orthodontic treatment may be needed to correct malocclusion caused by hypodontia.
See also[edit]
