ABPD REVIEW QUESTIONS
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
(Defects in form/shape)
Most common tooth for dens in dente - Answer -Maxillary permanent lateral incisor
Most common tooth for dens evaginatus - Answer -Common in Max incisors
,Laterals 50%
Centrals 30%
(Most in PERM)
Dens evaginatus associated with what syndromes? - Answer -Sturge webber
Rubinstein - Taybi Syndrome
Syndromes associated with Taurodontism? - Answer -Klienfelter's
Ectodermal dysplasia
Down syndrome
Hypotrichosis
Oro-facial-Digital Syndrome
Amelogenesis Imperfecta
Lit: Are missing teeth and/or supernumary teeth assocaited with taurodontism? -
Answer -Missing teeth ARE related
Supernumary are NOT related
Dilaceration is associated with what syndrome? - Answer -Congenital Ichthyosis
Apposition defects? - Answer -Dentin Dysplasia I
Dentin Dysplasia II
Regional odontodysplasia
DDI/DDII/Regional odontodysplasia - AD/AR/Non hereditary - Answer -DDI - AD
DDII - AD
Regional Odonto. - Non-Hereditary
Regional Odontodysplasia is associated with what? - Answer -RH factor incompatibility
Hypophosphatasia
Ectodermal Dysplasia
Defects in Calcification/Mineralization - Answer -AI Type III (hypocalcified)
Flurosis
Defect in Proliferation: - Answer -Macro
micro
fusion
gemination
Defect in Histodifferentiation - Answer -AI
DI
Defect in morphodifferentiation - Answer -Dens indente/evag/taurodontism/dilac
, Defect in apposiition? - Answer -Dentin dysplasia
Regional odontodysplasia
Dentin dysplasia results from a defect in _______ - Answer -Apposition
Regional odontodysplasia results from a defect in _______ - Answer -apposition
Dens invaginatus/evag results from a defect in _______ - Answer -
morphodifferentiation
taurodontism results from a defect in _______ - Answer -morphodifferentiation
dilaceraton results from a defect in _______ - Answer -morphodifferentiation
macro/microdontia results from a defect in _______ - Answer -proliferation
fusion/gemination results from a defect in _______ - Answer -proliferation
supernumary/agenesis results from a defect in _______ - Answer -initiation
Bud stage is characterized by - Answer -Proliferation and morphodifferentation
Cap stage is characterized by - Answer -proliferation
morphodiff
histodiff
What stage is the future DEJ outlined? - Answer -Advanced bell stage
The primodia of the permanent bud is seen at which stage? - Answer -Bell stage
Syndromes with supernumary teeth? - Answer -Cleidocranial dysplasia
garderns syndrome
Aperts
Crouzons
Down syndrome
Conditions associated with hypodontia: - Answer -ectodermal dysplasia
ellis van crevald (chondorocetodermal dysplasia)
Oro-facial-digital
Crouzons
achondroplasia
William syndrome
Reiger syndrome
Hallerman streif
Down syndrome
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
(Defects in form/shape)
Most common tooth for dens in dente - Answer -Maxillary permanent lateral incisor
Most common tooth for dens evaginatus - Answer -Common in Max incisors
,Laterals 50%
Centrals 30%
(Most in PERM)
Dens evaginatus associated with what syndromes? - Answer -Sturge webber
Rubinstein - Taybi Syndrome
Syndromes associated with Taurodontism? - Answer -Klienfelter's
Ectodermal dysplasia
Down syndrome
Hypotrichosis
Oro-facial-Digital Syndrome
Amelogenesis Imperfecta
Lit: Are missing teeth and/or supernumary teeth assocaited with taurodontism? -
Answer -Missing teeth ARE related
Supernumary are NOT related
Dilaceration is associated with what syndrome? - Answer -Congenital Ichthyosis
Apposition defects? - Answer -Dentin Dysplasia I
Dentin Dysplasia II
Regional odontodysplasia
DDI/DDII/Regional odontodysplasia - AD/AR/Non hereditary - Answer -DDI - AD
DDII - AD
Regional Odonto. - Non-Hereditary
Regional Odontodysplasia is associated with what? - Answer -RH factor incompatibility
Hypophosphatasia
Ectodermal Dysplasia
Defects in Calcification/Mineralization - Answer -AI Type III (hypocalcified)
Flurosis
Defect in Proliferation: - Answer -Macro
micro
fusion
gemination
Defect in Histodifferentiation - Answer -AI
DI
Defect in morphodifferentiation - Answer -Dens indente/evag/taurodontism/dilac
, Defect in apposiition? - Answer -Dentin dysplasia
Regional odontodysplasia
Dentin dysplasia results from a defect in _______ - Answer -Apposition
Regional odontodysplasia results from a defect in _______ - Answer -apposition
Dens invaginatus/evag results from a defect in _______ - Answer -
morphodifferentiation
taurodontism results from a defect in _______ - Answer -morphodifferentiation
dilaceraton results from a defect in _______ - Answer -morphodifferentiation
macro/microdontia results from a defect in _______ - Answer -proliferation
fusion/gemination results from a defect in _______ - Answer -proliferation
supernumary/agenesis results from a defect in _______ - Answer -initiation
Bud stage is characterized by - Answer -Proliferation and morphodifferentation
Cap stage is characterized by - Answer -proliferation
morphodiff
histodiff
What stage is the future DEJ outlined? - Answer -Advanced bell stage
The primodia of the permanent bud is seen at which stage? - Answer -Bell stage
Syndromes with supernumary teeth? - Answer -Cleidocranial dysplasia
garderns syndrome
Aperts
Crouzons
Down syndrome
Conditions associated with hypodontia: - Answer -ectodermal dysplasia
ellis van crevald (chondorocetodermal dysplasia)
Oro-facial-digital
Crouzons
achondroplasia
William syndrome
Reiger syndrome
Hallerman streif
Down syndrome
