ABPD CERTIFICATION EVALUATION Questions with Correct
Answers (Grade A+)
Question 1: Defect of initiation -->
Answer: Supernumary teeth Missing (agenesis) of teeth
Question 2: % of supernumaries that erupt
Answer: 25%
Question 3: Prevalence of supernumary teeth
Answer:
1. 1-3.8%
2. LOWER in primary teeth
3. 5x more common in permanent teeth
Question 4: __% of supernumaries are in the maxilla
Answer: 90%
Question 5: Most common supernumary?
Answer: Mesiodens
Question 6: Two kinds of supernumary teeth?
Answer: Rudimentary Supplemental
Question 7: Syndromes associated with supernumary teeth?
Answer:
1. Hallerman-Streiff
2. Apert's
3. Oro-facial-digital syndrome
4. Cleidocranial Dysplasia
5. Gardern's
6. Cleft palate
7. Sturge Weber
8. Down syndrome
9. Crouzons
Page 1
,Question 8: Incidence of congenital agenesis?
Answer:
1. 5-10% in Permanenet
2. (<1% Primary)
3. (more common than supernum)
Question 9: Most common congenitally missing tooth
Answer:
1. 3rd Molars
2. Mandibular 2nd premolars
3. Maxillary Laterals
4. Maxillary 2nd Premolars
Question 10: Syndromes associated with tooth agenesis
Answer: Cleft palate Ectodermal dysplasia Downs Ellis van Crevald (Chondroectodermal dysplasia)
Oro-Facial-Digital Hallerman-Streiff Crouzons
Question 11: Clinical symptoms of Oro-Facial-Digital
Answer:
1. Missing/asymmetry with digits
2. Think frenal attachments
3. Anomalous anterior teeth
4. Hypoplasia of alar cartilage
Question 12: Syndromes that manifest as Hypo and Hyperdontia
Answer:
1. Hallerman Streiff
2. Oro facial digital
3. Crouzons
4. Down
Question 13: Lit: Agenesis of mandibular centrals is also associated with _____ agenesis in males
Answer: Laterals
Question 14: Lit: Hyper or hypodontia is associated with delayed dental development?
Answer: Hypodontia
Page 2
,Question 15: Proliferation defects
Answer:
1. (Cap stage)
2. Defects in size
3. Fusion
4. Gemination
5. Macrodontia
6. Microdontia
Question 16: Incidence of both fusion and gemination is? AD/AR/Non hereditary?
Answer: 0.5% AD
Question 17: Bell - Histodifferentiation defects -->?
Answer: Amelogenesis Imperfecta Dentinogenesis Imperfecta
Question 18: AI Type I vs II - AD? AR?
Answer: Type I - AD Type II - AR
Question 19: Advance Bell - Morphogenesis defects -->?
Answer:
1. Dens in dente
2. Dens Evaginatus
3. Taurodontism
4. Dilaceration
5. (Defects in form/shape)
Question 20: Most common tooth for dens in dente
Answer: Maxillary permanent lateral incisor
Question 21: Most common tooth for dens evaginatus
Answer:
1. Common in Max incisors
2. Laterals 50%
3. Centrals 30%
4. (Most in PERM)
Question 22: Dens evaginatus associated with what syndromes?
Answer: Sturge webber Rubinstein - Taybi Syndrome
Page 3
, Question 23: Syndromes associated with Taurodontism?
Answer:
1. Klienfelter's
2. Ectodermal dysplasia
3. Down syndrome
4. Hypotrichosis
5. Oro-facial-Digital Syndrome
6. Amelogenesis Imperfecta
Question 24: Lit: Are missing teeth and/or supernumary teeth assocaited with taurodontism?
Answer: Missing teeth ARE related Supernumary are NOT related
Question 25: Dilaceration is associated with what syndrome?
Answer: Congenital Ichthyosis
Question 26: Apposition defects?
Answer:
1. Dentin Dysplasia I
2. Dentin Dysplasia II
3. Regional odontodysplasia
Question 27: DDI/DDII/Regional odontodysplasia - AD/AR/Non hereditary
Answer:
1. DDI - AD
2. DDII - AD
3. Regional Odonto. - Non-Hereditary
Question 28: Regional Odontodysplasia is associated with what?
Answer:
1. RH factor incompatibility
2. Hypophosphatasia
3. Ectodermal Dysplasia
Question 29: Defects in Calcification/Mineralization
Answer: AI Type III (hypocalcified) Flurosis
Page 4
Answers (Grade A+)
Question 1: Defect of initiation -->
Answer: Supernumary teeth Missing (agenesis) of teeth
Question 2: % of supernumaries that erupt
Answer: 25%
Question 3: Prevalence of supernumary teeth
Answer:
1. 1-3.8%
2. LOWER in primary teeth
3. 5x more common in permanent teeth
Question 4: __% of supernumaries are in the maxilla
Answer: 90%
Question 5: Most common supernumary?
Answer: Mesiodens
Question 6: Two kinds of supernumary teeth?
Answer: Rudimentary Supplemental
Question 7: Syndromes associated with supernumary teeth?
Answer:
1. Hallerman-Streiff
2. Apert's
3. Oro-facial-digital syndrome
4. Cleidocranial Dysplasia
5. Gardern's
6. Cleft palate
7. Sturge Weber
8. Down syndrome
9. Crouzons
Page 1
,Question 8: Incidence of congenital agenesis?
Answer:
1. 5-10% in Permanenet
2. (<1% Primary)
3. (more common than supernum)
Question 9: Most common congenitally missing tooth
Answer:
1. 3rd Molars
2. Mandibular 2nd premolars
3. Maxillary Laterals
4. Maxillary 2nd Premolars
Question 10: Syndromes associated with tooth agenesis
Answer: Cleft palate Ectodermal dysplasia Downs Ellis van Crevald (Chondroectodermal dysplasia)
Oro-Facial-Digital Hallerman-Streiff Crouzons
Question 11: Clinical symptoms of Oro-Facial-Digital
Answer:
1. Missing/asymmetry with digits
2. Think frenal attachments
3. Anomalous anterior teeth
4. Hypoplasia of alar cartilage
Question 12: Syndromes that manifest as Hypo and Hyperdontia
Answer:
1. Hallerman Streiff
2. Oro facial digital
3. Crouzons
4. Down
Question 13: Lit: Agenesis of mandibular centrals is also associated with _____ agenesis in males
Answer: Laterals
Question 14: Lit: Hyper or hypodontia is associated with delayed dental development?
Answer: Hypodontia
Page 2
,Question 15: Proliferation defects
Answer:
1. (Cap stage)
2. Defects in size
3. Fusion
4. Gemination
5. Macrodontia
6. Microdontia
Question 16: Incidence of both fusion and gemination is? AD/AR/Non hereditary?
Answer: 0.5% AD
Question 17: Bell - Histodifferentiation defects -->?
Answer: Amelogenesis Imperfecta Dentinogenesis Imperfecta
Question 18: AI Type I vs II - AD? AR?
Answer: Type I - AD Type II - AR
Question 19: Advance Bell - Morphogenesis defects -->?
Answer:
1. Dens in dente
2. Dens Evaginatus
3. Taurodontism
4. Dilaceration
5. (Defects in form/shape)
Question 20: Most common tooth for dens in dente
Answer: Maxillary permanent lateral incisor
Question 21: Most common tooth for dens evaginatus
Answer:
1. Common in Max incisors
2. Laterals 50%
3. Centrals 30%
4. (Most in PERM)
Question 22: Dens evaginatus associated with what syndromes?
Answer: Sturge webber Rubinstein - Taybi Syndrome
Page 3
, Question 23: Syndromes associated with Taurodontism?
Answer:
1. Klienfelter's
2. Ectodermal dysplasia
3. Down syndrome
4. Hypotrichosis
5. Oro-facial-Digital Syndrome
6. Amelogenesis Imperfecta
Question 24: Lit: Are missing teeth and/or supernumary teeth assocaited with taurodontism?
Answer: Missing teeth ARE related Supernumary are NOT related
Question 25: Dilaceration is associated with what syndrome?
Answer: Congenital Ichthyosis
Question 26: Apposition defects?
Answer:
1. Dentin Dysplasia I
2. Dentin Dysplasia II
3. Regional odontodysplasia
Question 27: DDI/DDII/Regional odontodysplasia - AD/AR/Non hereditary
Answer:
1. DDI - AD
2. DDII - AD
3. Regional Odonto. - Non-Hereditary
Question 28: Regional Odontodysplasia is associated with what?
Answer:
1. RH factor incompatibility
2. Hypophosphatasia
3. Ectodermal Dysplasia
Question 29: Defects in Calcification/Mineralization
Answer: AI Type III (hypocalcified) Flurosis
Page 4
