dens evaginatus


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dens evaginatus

a rare anomaly wherein an extra cusp or tubercle protrudes from the occlusal surface of a tooth. It has a core of dentin and a pulpal extension.

dens evaginatus

a developmental anomaly in which an extra enamel cusp (which may include pulp tissue) develops in the central groove or lingual ridge of molars or premolars. This cone-shaped elevation of enamel is subject to occlusal trauma. Removal of the cusp also requires pulp treatment. Not to be confused with dens invaginatus.

dens e·vag·i·na·tus

(denz ē-vaji-nātŭs)
Anomaly wherein an extra cusp or tubercle protrudes from the occlusal surface of a tooth.
Synonym(s): accessory tubercle (2) .

dens evaginatus

(denz ivaj´ənātəs),
n See dens in dente.
References in periodicals archive ?
Dens evaginatus is one of the developmental anomalies affecting the shape of teeth having a tubercle like extra cusp either on lingual or occlusal surface of teeth.
As dens evaginatus of anterior tooth resembled the shape of an eagle's talon it was termed as talons cusp by Mellor and Ripa.
Dens Evaginatus of anterior teeth: literature review and radiographic survey of 15000 teeth.
2007] described the use of an orthopantomogram, a lateral cephalogram, intra-oral radiographs and a magnetic resonance tomogram to confirm the exact path of the root canals of a fused maxillary central incisor with dens evaginatus.
3) In the literature, this malformation has also been referred as interstitial cusp, tuberculated premolar, odontome of the axial core type, evaginated odontome, occlusal enamel pearl, occlusal anomalous tubercule, supernumerary cusp and dens evaginatus of anterior teeth.
7,8) The literature review evaluated that dens evaginatus is more common in the permanent dentition (77%) than in the primary dentition (23%), while in the permanent dentition 94% affect the maxillary teeth and 6% mandibular teeth.
Key words: talon, enamel, dentine, pulp, dens evaginatus
Similar enlargement of the pulp occurs in dens evaginatus of premolars, which is characterized, like the talon, by an extra tubercle [McCulloch et al.