Dentistry Review Cards Questions With
Complete Solutions Graded A+
Weeks at time of initiation? - ANSWER 6-8
Defect of initiation --> - ANSWER Supernumary teeth
Missing (agenesis) of teeth
% of supernumaries that erupt - ANSWER 25%
Prevalence of supernumary teeth - ANSWER 0.1-3.8%
LOWER in primary teeth
5x more common in permanent teeth
__% of supernumaries are in the maxilla - ANSWER 90%
Most common supernumary? - ANSWER Mesiodens
Two kinds of supernumary teeth? - ANSWER Rudimentary
Supplemental
,Syndromes associated with supernumary teeth? - ANSWER Hallerman-
Streiff
Apert's
Oro-facial-digital syndrome
Cleidocranial Dysplasia
Gardern's
Cleft palate
Sturge Weber
Down syndrome
Crouzons
Incidence of congenital agenesis? - ANSWER 1.5-10% in Permanenet
(<1% Primary)
(more common than supernum)
Most common congenitally missing tooth - ANSWER 3rd Molars
Mandibular 2nd premolars
Maxillary Laterals
Maxillary 2nd Premolars
Syndromes associated with tooth agenesis - ANSWER Cleft palate
Ectodermal dysplasia
,Downs
Ellis van Crevald (Chondroectodermal dysplasia)
Oro-Facial-Digital
Hallerman-Streiff
Crouzons
Clinical symptoms of Oro-Facial-Digital - ANSWER
Missing/asymmetry with digits
Think frenal attachments
Anomalous anterior teeth
Hypoplasia of alar cartilage
Syndromes that manifest as Hypo and Hyperdontia - ANSWER
Hallerman Streiff
Oro facial digital
Crouzons
Down
Lit: Agenesis of mandibular centrals is also associated with _____
agenesis in males - ANSWER Laterals
Lit: Hyper or hypodontia is associated with delayed dental
development? - ANSWER Hypodontia
, Proliferation defects - ANSWER (Cap stage)
Defects in size
-Fusion
-Gemination
-Macrodontia
-Microdontia
Incidence of both fusion and gemination is? AD/AR/Non hereditary? -
ANSWER 0.5%
AD
Bell - Histodifferentiation defects -->? - ANSWER Amelogenesis
Imperfecta
Dentinogenesis Imperfecta
AI Type I vs II - AD? AR? - ANSWER Type I - AD
Type II - AR
Advance Bell - Morphogenesis defects --> ? - ANSWER Dens in dente
Dens Evaginatus
Taurodontism
Dilaceration