Dens evaginatus: Difference between revisions
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{{Infobox medical condition | |||
| name = Dens evaginatus | |||
| synonyms = [[Talon cusp]], [[Occlusal tubercle]] | |||
| image = | |||
| image_size = | |||
| image_alt = | |||
| image_caption = | |||
| pronunciation = | |||
| specialty = [[Dentistry]], [[Orthodontics]] | |||
| symptoms = Extra cusp on the tooth, [[occlusal interference]], [[pulpal necrosis]] | |||
| complications = [[Tooth fracture]], [[pulp exposure]], [[periapical abscess]] | |||
| onset = Usually during [[tooth development]] | |||
| duration = Permanent unless treated | |||
| types = | |||
| causes = Developmental anomaly | |||
| risks = | |||
| diagnosis = [[Dental examination]], [[radiographic imaging]] | |||
| differential = [[Dens invaginatus]], [[supernumerary teeth]] | |||
| prevention = | |||
| treatment = [[Selective grinding]], [[composite resin restoration]], [[endodontic therapy]] | |||
| medication = | |||
| prognosis = Good with appropriate treatment | |||
| frequency = Rare | |||
| deaths = | |||
}} | |||
'''Dens evaginatus''' is a rare [[odontogenic]] anomaly that is characterized by the presence of an extra cusp, known as a tubercle, on the occlusal surface of the tooth. This condition is most commonly seen in the [[premolar]] teeth, particularly the mandibular premolars. The tubercle of dens evaginatus is composed of enamel, dentin, and a variable amount of pulp tissue. | '''Dens evaginatus''' is a rare [[odontogenic]] anomaly that is characterized by the presence of an extra cusp, known as a tubercle, on the occlusal surface of the tooth. This condition is most commonly seen in the [[premolar]] teeth, particularly the mandibular premolars. The tubercle of dens evaginatus is composed of enamel, dentin, and a variable amount of pulp tissue. | ||
==Etiology== | ==Etiology== | ||
The exact cause of dens evaginatus is unknown. However, it is believed to be a result of outward folding of the inner enamel epithelium and dental papilla during tooth development. This results in the formation of an extra cusp or tubercle on the occlusal surface of the tooth. | The exact cause of dens evaginatus is unknown. However, it is believed to be a result of outward folding of the inner enamel epithelium and dental papilla during tooth development. This results in the formation of an extra cusp or tubercle on the occlusal surface of the tooth. | ||
==Clinical Features== | ==Clinical Features== | ||
Clinically, dens evaginatus presents as a tubercle on the occlusal surface of the tooth. This tubercle is typically composed of enamel and dentin, and may contain pulp tissue. The presence of pulp tissue within the tubercle can lead to complications such as pulp necrosis and periapical abscess if the tubercle is fractured or worn down. | Clinically, dens evaginatus presents as a tubercle on the occlusal surface of the tooth. This tubercle is typically composed of enamel and dentin, and may contain pulp tissue. The presence of pulp tissue within the tubercle can lead to complications such as pulp necrosis and periapical abscess if the tubercle is fractured or worn down. | ||
==Diagnosis== | ==Diagnosis== | ||
Diagnosis of dens evaginatus is typically made through clinical examination and radiographic imaging. On a radiograph, the tubercle of dens evaginatus appears as a radiopaque structure on the occlusal surface of the tooth. | Diagnosis of dens evaginatus is typically made through clinical examination and radiographic imaging. On a radiograph, the tubercle of dens evaginatus appears as a radiopaque structure on the occlusal surface of the tooth. | ||
==Treatment== | ==Treatment== | ||
Treatment of dens evaginatus depends on the presence and extent of pulp involvement. If the pulp is not involved, the tubercle can be left untreated. However, if the pulp is involved, treatment options may include pulp capping, pulpotomy, root canal treatment, or extraction of the tooth. | Treatment of dens evaginatus depends on the presence and extent of pulp involvement. If the pulp is not involved, the tubercle can be left untreated. However, if the pulp is involved, treatment options may include pulp capping, pulpotomy, root canal treatment, or extraction of the tooth. | ||
==Epidemiology== | ==Epidemiology== | ||
Dens evaginatus is a rare condition, with a reported prevalence of 0.06% to 0.9% in the general population. It is more commonly seen in individuals of Asian descent. | Dens evaginatus is a rare condition, with a reported prevalence of 0.06% to 0.9% in the general population. It is more commonly seen in individuals of Asian descent. | ||
==See Also== | ==See Also== | ||
* [[Dens invaginatus]] | * [[Dens invaginatus]] | ||
* [[Tooth development]] | * [[Tooth development]] | ||
* [[Tooth abnormalities]] | * [[Tooth abnormalities]] | ||
[[Category:Dental anomalies]] | [[Category:Dental anomalies]] | ||
[[Category:Oral pathology]] | [[Category:Oral pathology]] | ||
{{Dental-stub}} | {{Dental-stub}} | ||
{{No image}} | |||
{{No image}} | |||
Latest revision as of 04:23, 4 April 2025
| Dens evaginatus | |
|---|---|
| Synonyms | Talon cusp, Occlusal tubercle |
| Pronounce | N/A |
| Specialty | Dentistry, Orthodontics |
| Symptoms | Extra cusp on the tooth, occlusal interference, pulpal necrosis |
| Complications | Tooth fracture, pulp exposure, periapical abscess |
| Onset | Usually during tooth development |
| Duration | Permanent unless treated |
| Types | |
| Causes | Developmental anomaly |
| Risks | |
| Diagnosis | Dental examination, radiographic imaging |
| Differential diagnosis | Dens invaginatus, supernumerary teeth |
| Prevention | |
| Treatment | Selective grinding, composite resin restoration, endodontic therapy |
| Medication | |
| Prognosis | Good with appropriate treatment |
| Frequency | Rare |
| Deaths | |
Dens evaginatus is a rare odontogenic anomaly that is characterized by the presence of an extra cusp, known as a tubercle, on the occlusal surface of the tooth. This condition is most commonly seen in the premolar teeth, particularly the mandibular premolars. The tubercle of dens evaginatus is composed of enamel, dentin, and a variable amount of pulp tissue.
Etiology[edit]
The exact cause of dens evaginatus is unknown. However, it is believed to be a result of outward folding of the inner enamel epithelium and dental papilla during tooth development. This results in the formation of an extra cusp or tubercle on the occlusal surface of the tooth.
Clinical Features[edit]
Clinically, dens evaginatus presents as a tubercle on the occlusal surface of the tooth. This tubercle is typically composed of enamel and dentin, and may contain pulp tissue. The presence of pulp tissue within the tubercle can lead to complications such as pulp necrosis and periapical abscess if the tubercle is fractured or worn down.
Diagnosis[edit]
Diagnosis of dens evaginatus is typically made through clinical examination and radiographic imaging. On a radiograph, the tubercle of dens evaginatus appears as a radiopaque structure on the occlusal surface of the tooth.
Treatment[edit]
Treatment of dens evaginatus depends on the presence and extent of pulp involvement. If the pulp is not involved, the tubercle can be left untreated. However, if the pulp is involved, treatment options may include pulp capping, pulpotomy, root canal treatment, or extraction of the tooth.
Epidemiology[edit]
Dens evaginatus is a rare condition, with a reported prevalence of 0.06% to 0.9% in the general population. It is more commonly seen in individuals of Asian descent.
See Also[edit]
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