ABPD REVIEW EXAM QUESTIONS
WITH VERIFIED ANSWERS
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
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
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
What is the Lyon hypothesis> - ANSWER-X chromosome inactivation
X linked disorders --> women show lesser phenotype since there is less penetrance
since they have 2 X's
What is the inheritance pattern of microdontia - ANSWER-Autosomal dominant
incomplete penetrance
Condition with microdontia - ANSWER-Ectodermal dysplasia
chondroectodermal dysplasia
, Down
Crouzons
Pituitary dwarfism
Conditions with MACROdontia - ANSWER-Crouzons
hemifacial HYPERtrophy
otpdental syndrome
XYY
Pituitary gigantism
Pineal hyperplasia with hyperinsulinemia
What is the most common tooth affected by dens indente? - ANSWER-maxilary
lateral
Evagination of what structure results in dens indente? - ANSWER-IEE
Dens evaginats types: - ANSWER-I: talon
II: Semitalon
III: trace talon
What syndrome is associated with dens evaginatus? - ANSWER-Rubinstein-Taybi
syndrome
What syndromes with taurodontism? - ANSWER-Klienfelters (XXY)
Trichondento-osseous
OFD II (mohr)
Ectodermal dysplasia
AI IV
Down
William
Smither magenis
IN DI Shileds I which dentition is mroe affected? - ANSWER-Primary
What pulp findings are seen in DI Type I - ANSWER-Pulp obliteration
What enamel defect is seen in EB patients - ANSWER-(junctional type)
Enamel hypoplasia
Vitamin deficiency in A,C,D, calcium, phosphate, fluoride can all result in what tooth
defect? - ANSWER-enamel hypoplasia
What tooth defect can be seen in syphils, rubella, Rh incompatibilit - ANSWER-
Enamel hypoplsia
DD I shows dysplasia in what kind of dentin? - ANSWER-Radicular
Common findings in DD I - ANSWER-short blunted roots
PCO
PARL multiple
WITH VERIFIED ANSWERS
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
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
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
What is the Lyon hypothesis> - ANSWER-X chromosome inactivation
X linked disorders --> women show lesser phenotype since there is less penetrance
since they have 2 X's
What is the inheritance pattern of microdontia - ANSWER-Autosomal dominant
incomplete penetrance
Condition with microdontia - ANSWER-Ectodermal dysplasia
chondroectodermal dysplasia
, Down
Crouzons
Pituitary dwarfism
Conditions with MACROdontia - ANSWER-Crouzons
hemifacial HYPERtrophy
otpdental syndrome
XYY
Pituitary gigantism
Pineal hyperplasia with hyperinsulinemia
What is the most common tooth affected by dens indente? - ANSWER-maxilary
lateral
Evagination of what structure results in dens indente? - ANSWER-IEE
Dens evaginats types: - ANSWER-I: talon
II: Semitalon
III: trace talon
What syndrome is associated with dens evaginatus? - ANSWER-Rubinstein-Taybi
syndrome
What syndromes with taurodontism? - ANSWER-Klienfelters (XXY)
Trichondento-osseous
OFD II (mohr)
Ectodermal dysplasia
AI IV
Down
William
Smither magenis
IN DI Shileds I which dentition is mroe affected? - ANSWER-Primary
What pulp findings are seen in DI Type I - ANSWER-Pulp obliteration
What enamel defect is seen in EB patients - ANSWER-(junctional type)
Enamel hypoplasia
Vitamin deficiency in A,C,D, calcium, phosphate, fluoride can all result in what tooth
defect? - ANSWER-enamel hypoplasia
What tooth defect can be seen in syphils, rubella, Rh incompatibilit - ANSWER-
Enamel hypoplsia
DD I shows dysplasia in what kind of dentin? - ANSWER-Radicular
Common findings in DD I - ANSWER-short blunted roots
PCO
PARL multiple
