abnormalities of teeth. abnormalities of teeth environmental abnormalities of teeth developmental...
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ABNORMALITIES of TEETH
Abnormalities of Teeth
Environmental abnormalities of teeth
Developmental abnormalities of teeth
Environmental alterations of teeth
• Developmental tooth defects• Postdevelopmental structure loss• Discolorations of teeth• Localized disturbances in eruption
Visible environmental enamel defects can be classified into one of three patterns:
• Hypoplasia
• Diffuse opacities
• Demarcated opacities
Factors associated with tooth defects
Environmental effects on tooth structure development
Turner hypoplasia
Molar-Incisor hypomineralization
Hypoplasia caused by antineuplastic therapy
Dental fluorosis
Syphlititic hypoplasia
Post developmental loss of tooth structure
Attrition
Abrasion
Erosion
Abfraction
Internal resorption
Exteranal resorption
Environmental discoloration of teeth
Environmental discoloration of teeth
Extrinsic stains
Intrinsic stains
Localized disturbances in eruption
Impaction
Ankylosis
Developmental alterations of teeth
Developmental alterations in the number of teeth
Anodontia
Hypodontia
Oligodontia
Hyperdontia
Supernumerary teeth• Supplemental• Rudimentary
Developmental alterations in the size of teeth
Microdontia
macrodontia
Developmental alterations in the shape of teeth
Gemination
Fusion
Concrescence
Accessory cuspsCusp of carabelliTalon cusp
Dense evaginatus
Dense invaginatus(dense in dente)Type IType IIType III
Ectupic enamelEnamel pearlsCervical enamel extentions
Taurodontism
Hypercementation
Dilaceration
Supernumerary roots
Developmental alterations in the structure of teeth
Generalized pattern
Amelogenesis imperfecta*Hypoplastic Amelogenesis Imperfecta
Localized pattern
Autosomal dominant smooth pattern
X-linked smooth pattern
Rough pattern
Enamel agenesis
*Hypomaturation Amelogenesis ImperfectaPigmented patternX-linked patternSnow capped pattern
*Hypocalcified Amelogenesis Imperfecta
*Amelogenesis Imperfecta with TaurodontismHypomaturation-hypoplasticHypoplastic-hypomaturation
Hereditary opalescent dentin (type I)Brandywine isolate (Type II)
Dentin dysplasia type I (radicular dentin dysplasia-rootless teeth)
Dentin dysplasia type II (coronal dentin dysplasia)
Regional odontodysplasia (ghost teeth)
Dentin dysplasia
Dentinigenesis imperfecta
THANKS FOR YOUR ATTENTION
THANKS FOR YOUR ATTENTION
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