ABPD CERTIFICATION EVALUATION
QUESTIONS WITH ACCURATE ANSWERS
●● 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
QUESTIONS WITH ACCURATE ANSWERS
●● 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