Tooth anomalies Flashcards
Dentinogenesis imperfecta
Specific term for the teeth?
DX?
Shell teeth
Small isolate of patients with dentinogenesis imperfecta
Dx?
Dentin dysplasia type 2
Amelogenesis imperfecta
Dentin dysplasia type 1
rootless teeth
Regional odontodysplasia
ghost teeth
Term?
Cause?
Turner tooth
enamel hypoplasia as a result of periapical inflammation of the overlying deciduous tooth
Dilaceration
Fluorosis
Hutchinson incisors of congenital syphilis
Mulberry molar
Abrasion
Attrition
Abfraction
What may have caused this in this particuar site?
Erosion
-Bulimia, gastroesophageal reflux disease (perimolysis)
DX?
Cause?
Pink tooth of mummery
-Internal resorption involving the coronal pulp
Internal root resorption
5.6 fold increase in root resorption during ortho in patients with homozygosity for ________?
External root resorption
In ortho patients w/ IL-1 Beta allele you get 5.6x increase in root resorption
Congenital erythropoietic porphyria
DX?
Two causes of this
Chlorodontia 2/2 Neonatal hyperbilirubinemia
-Biliary atresia, erythroblastosis fetalis
Ankylosis- absence of PDL
21 year old male
- General term for the dentition
- Causes
- Hypodontia
- Crouzan, Down syndrome, Ehlers-danlos, LADD, ectodermal dysplasia
Paramolar
Teeth present at birth are termed?
Syndrome association?
Natal teeth
Ellis-van creveld syndrome
This generalized manifestation is associated with what two syndromes?
Generalized true microdontia
Down syndrome and pituitary dwarfism
Gemination
Fusion
Concrescence
What is the term for the additional cusp structure on the max first molar
cusp of carabelli
Term for the lesion shown
Associated syndrome
Talon cusp
Rubinstein-Taybi
DX? (specify type)
dens invaginatus, dens en dente, type 1
3 types:
type 1 invagination confined to the crown (79% of cases)
type 2: extends below CEJ
type 3: extends through the root and perforates
Taurodontism
