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Common Developmental Abnormalities of the Teeth. DEN 1218 By: - - PowerPoint PPT Presentation
Common Developmental Abnormalities of the Teeth. DEN 1218 By: - - PowerPoint PPT Presentation
Common Developmental Abnormalities of the Teeth. DEN 1218 By: Inesa Legrian Cathleen Reed Impacted teeth An impacted tooth is a tooth which is prevented from erupting due to crowding of teeth or from some physical barrier or an abnormal
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Talon Cusp
Talon cusp is an accessory cusp-like structure projecting from the tooth neck
- r cingulum area
towards the incisal ridge of an anterior tooth
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. A permanent tooth with a local hypoplastic defect in its crown. This defect may have been caused by the extension
- f a periapical infection from its
deciduous predecessor or by mechanical trauma transmitted through the deciduous tooth.
Turner's Hypoplasia
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The condition is thought to be due to trauma during the period in which tooth is
- forming. The result is that
the position of the calcified portion of the tooth is changed and the remainder
- f the tooth is formed at an
angle.
Dilaceration
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Concrescence is a condition
- f teeth where the
cementum overlying the roots of at least two teeth join together. The cause can sometimes be attributed to trauma or crowding of teeth
Concrescence
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ENAMEL PEARL (Enameloma)
Enamel pearl, also known as enameloma, is an ectopic mass of enamel which can occur anywhere on the roots of teeth but is usually found at the furcation area of roots.
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HYPERCEMENTOSIS
Hypercementosis is evident on a radiograph as an excessive build-up
- f cementum
around all or part of a root of a tooth.
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