Teeth Abnormalities Flashcards
All teeth missing, associated with hereditary ectodermal dysplasia
Complete true anodontia
Most common supernumerary tooth
Mesiodens
Tooth abnormality associated with pituitary gigantism
Macrodontia
Tooth abnormality associated with pituitary dwarfism & Down syndrome
Microdontia
Larger tooth, one less tooth in arch
Fusion
Inverted tear drop radiolucency
Dens in dente
Most common ankylosed tooth
Mandibular primary first molar
Periapical to tooth, bulbous enlargement, unbroken PDL & normal lamina dura
Hypercementosis
Which metabolic condition can cause Hypercementosis
Paget’s
Happens in children with congenital ichthyosis
Dilaceration
Lack of constriction at CEJ
Taurodontism
Localized loss of periodontal attachment, furcation involvement, possible buccal bifurcation cyst
Ectopic enamel- Cervical enamel extensions
Most common form of Amelogenesis Imperfecta
Hypoplastic
Enamel Hypoplasia, environmental, local infection/ trauma
Turner’s Hypoplasia
Structural defect due to congenital syphilis
Hutchinson’s incisor, mulberry molars
Teeth translucent or opalescent
Dentinogenesis Imperfecta
Excessive constriction at CEJ, bell or tulip shape
Dentinogenesis Imperfecta
In conjunction with osteogenesis Imperfecta
Type I Dentinogenesis Imperfecta
Most common form of Dentinogenesis Imperfecta
Type II
Multiple pulp exposures, Periapical Radiolucencies, Shell like teeth, extremely large pulp chambers
Type III Dentinogenesis Imperfecta-Brandywine type
Chevrons, increased mobility, short roots, obliterated pulp chambers
Radicular dentin dysplasia
Thistle tube appearance
Coronal dentin dysplasia
Ghost teeth, extremely thin enamel, dentin, enlarged pulp chambers
Regional Odontodysplasia
Extrinsic stains due to these medications
- Chlorhexidine
- Stannous Fluoride
