Pediatrics Flashcards
What are the 5 stages of Odontogenesis?
Which of the following occurs at 6 weeks in utero?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
A. Initiation
Initiation = 6 weeks
Bud = 8 weeks
Cap = 9 weeks
Bell = 11 weeks
Which of the following occurs at 11 weeks in utero?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
D. Bell stage
Initiation = 6 weeks
Bud = 8 weeks
Cap = 9 weeks
Bell = 11 weeks
Which of the following occurs at 9 weeks in utero?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
C. Cap stage
Initiation = 6 weeks
Bud = 8 weeks
Cap = 9 weeks
Bell = 11 weeks
Which of the following occurs at 8 weeks in utero?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
B. Bud stage
Initiation = 6 weeks
Bud = 8 weeks
Cap = 9 weeks
Bell = 11 weeks
Whihc of the following is associated with the Enamel Organ?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
C. Cap stage
Whihc of the following is associated with the Dental Placode?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
B. Bud stage
An issue during which stage of odontogeneis results in each of the following defects: cyst, odontoma, fusion and dens in dente?
A. Initiation
B. Bud stage
C. Cap stage
D. Bell stage
E. Erupted tooth
C. Cap stage
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
An issue during which stage of odontogeneis results in each of the following defects: Amelogenesis Imperfecta and Dentinogenesis imperfecta?
A. Initiation
B. Bud stage
C. Cap stage
D. Histodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
D. Histodifferentiation during Bell stage
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
An issue during which stage of odontogeneis results in each of the following defects: congenitally missing teeth and supernumerary teeth?
A. Initiation
B. Bud stage
C. Cap stage
D. Histodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
A. Initiation
B. Bud stage
Note: supernumerary and congenitally missing teeth occurs due to issue in initiation or bud stage
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
An issue during which stage of odontogeneis results in each of the following defects: size and shape abnormalities like peg laterals and macrodontia?
A. Initiation
B. Bud stage
C. Cap stage
D. Histodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
An issue during which stage of odontogeneis results in each of the following defects: enamel hypoplasia, enamel pearls, concrescence?
A. Apposition
B. Maturation
C. Cap stage
D. Histodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
A. Apposition
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
An issue during which stage of odontogeneis results in each of the following defects: enamel hypomineralization, fluorosis, tetracycline staining?
A. Apposition
B. Maturation
C. Cap stage
D. Histodifferentiation during Bell stage
E. Morphodifferentiation during Bell stage
B. Maturation
Initiation = congenitally missing and supernumerary
Bud stage = congenitally missing and supernumerary
Cap = cyst, odontoma, Gemination, fusion and dens in dente
Histodifferentiation = Amelogenesis imperfecta, Dentinogenesis imperfecta
Morphodifferentitation = size and shape abnormalities like peg laterals and macrodontia
Apposition = enamel hypoplasia, enamel pearls, concrescence
Maturation = enamel hypomineralization, fluorosis, tetracycline staining
Discuss Initiation in regards to tooth development:
- Oral epithelium = ?
- Dental lamina = ?
- Ectomesenchyme = ?
- Defects = ?
- Occurs during how many weeks in utero?
Discuss the Bud Stage in regards to tooth development:
- Dental placode = ?
- All primary and permanent molars arise from ______.
- Permanent incisors, canines, and premolars arise from _______.
- Condensing mesenchyme = ?
- Defects = ?
- How many weeks in utero?
Discuss the Cap Stage in regards to tooth development:
- Enamel organ = ?
- OEE = ?
- IEE = ?
- Stellate reticulum = ?
- Enamel knot = ?
- Dental papilla = ?
- Dental follicle = ?
- Defects = ?
- How many weeks in utero?
Discuss Histodifferentiation in regards to the Bell Stage:
- Transformation into distinct cell types
- IEE = ?
- Dental papilla = ?
- Defects = ?
- How many weeks in utero?
Discuss Morphodifferentiation in regards to the Bell Stage:
- _____ and _____ of eventual crown is determined during this process.
- Defects = ?
- How many weeks in utero?
Discuss the Apposition stage of tooth development in regards to each of the following:
- Odontoblasts = ?
- Ameloblasts = ?
- Cervical loop = ?
- IEE + OEE = ?
- Defects = ?
- How many weeks in utero?
Discuss Maturation in regards to tooth development:
- Deposition of _____ and _____
- Calcification begins at _____ and proceeds ______.
- Takes ___ years to complete for primary tooth crown.
- Takes ___ years to complete for permanent tooth crown.
- Defects = ?
- How many weeks in utero?
Which of the following the following forms the pulp?
A. Ameloblasts
B. Odontoblasts
C. Central cells
D. Cementoblast
E. Fibroblasts
C. Central cells
Which of the following the following forms the enamel?
A. Ameloblasts
B. Odontoblasts
C. Central cells
D. Cementoblast
E. Fibroblasts
A. Ameloblasts
Which of the following forms the PDL of a tooth?
A. Ameloblasts
B. Odontoblasts
C. Central cells
D. Cementoblast
E. Fibroblasts
E. Fibroblasts
Which of the following forms the cementum of a tooth?
A. Ameloblasts
B. Odontoblasts
C. Central cells
D. Cementoblast
E. Fibroblasts
D. Cementoblast
Which of the following forms the dentin of a tooth?
A. Ameloblasts
B. Odontoblasts
C. Central cells
D. Cementoblast
E. Fibroblasts
B. Odontoblasts
Which of the following gives rise to Odontoblast and Central cells?
A. Enamel organ
B. Dental papilla
C. Dental follicle
D. All of the above
B. Dental papilla
Which of the following gives rise to the Enamel Organ?
A. Enamel organ
B. Dental papilla
C. Dental follicle
D. All of the above
A. Enamel organ
The Dental Follicle gives rise to each of the following EXCEPT:
A. Odontoblast
B. Cementoblast
C. Osteoblast
D. Fibroblast
E. All of the above
A. Odontoblast
Which of the following does the Dental Papilla give rise to?
A. Cementoblast
B. Ameloblast
C. Fibroblast
D. Odontoblast
E. Osteoblast
D. Odontoblast
Discuss when each of the following Primary teeth begin Calcification:
- Centrals = ?
- 1st molars = ?
- Laterals = ?
- Canines = ?
- Second molars = ?
hint: There’s an easy way to remember this
Discuss when each of the following Permanent teeth begin calcification:
- First molars
- All anterior teeth except for maxillary laterals
- Maxillary laterals
- 1st PMs
- 2nd PMs
- 2nd Molars
Review the eruption sequence for Primary teeth:
“nxi”
Review the eruption sequence for Permanent teeth:
“MAIN”
______ is the most common supernumerary tooth.
Mesiodens
note: supernumerary teeth may block normal eruption of permanent teeth
Which of the following is the correct order from most prevalent to least prevalent Congenitally Missing Teeth?
A. Mandibular 2nd PMs > Max 2nd molars > Max laterals
B. Max laterals > Max 2nd molars > Mandibular 2nd PMs
C. Mandibular 2nd PMs > Max laterals > Max 2nd PMs
D. Max laterals > Mandibular 2nd PMs > Max 2nd molars
C. Mandibular 2nd PMs > Max laterals > Max 2nd PMs
Which of the following is the most common congenitally missing primary tooth?
A. Max 1st molars
B. Mandibular laterals
C. Mandibular 1st molars
D. Max laterals
D. Max laterals
Discuss Congenitally Missing Teeth in regards to each of the following:
- What is the order from most prevalent to least prevalent congenitally missing permanent teeth?
- Second PM = ?
- Lateral = ?
- What is the most common Congenitally missing primary tooth?
Which of the following anomalies occurs during the Cap Stage?
A. Microdontia
B. Gemination
C. Macrodontia
D. All of the above
B. Gemination
Which of the following anomalies occurs during the Bell Stage of odontogenesis?
A. Microdontia
B. Fusion
C. Gemination
D. Macrodontia
E. Two of the above
E. Two of the above
All of the following are associated with Microdontia EXCEPT:
A. Small teeth
B. Less than the normal amount of teeth
C. Down syndrome
D. Pituitary Dwarfism
E. Ectodermal dysplasia
B. Less than the normal amount of teeth
All of the following are associated with Microdontia EXCEPT:
A. Small teeth
B. Pituitary Dwarfism
C. Down syndrome
D. Hyperinsulinism
E. Ectodermal dysplasia
D. Hyperinsulinism
All of the following are associated w/ Macrodontia EXCEPT:
A. Big teeth
B. Pituitary gigantism
C. Pineal hyperplasia
D. Pituitary dwarfism
E. Hyperinsulinism
D. Pituitary dwarfism
All of the following are associated with Fusion EXCEPT:
A. Two buds merge into one tooth
B. More common in primary teeth
C. Almost always posterior teeth
D. Tooth count is one less than normal
E. All of the above are associated w/ Fusion
C. Almost always posterior teeth
All of the following are associated with Fusion EXCEPT:
A. Two buds merge into one tooth
B. More common in permanent teeth
C. Almost always anterior teeth
D. Tooth count is one less than normal
E. All of the above are associated w/ Fusion
B. More common in permanent teeth
All of the following is true regarding Gemination EXCEPT:
A. Tooth count is normal
B. One root buds into two crowns
C. Tooth count is one less
D. All of the above are true
C. Tooth count is one less
Which of the following is an abnormal bend in the root of a tooth?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
D. Dilaceration
Note: Dilaceration is usually due to trauma to a primary tooth
Which of the following refers to an extra cusp?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
A. Dens Evaginatus
Which of the following presents as a vertically elongated pulp chamber along w/ short roots?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
C. Taurodontism
Note: Taurodontism is linked to Type IV Amelogenesis imperfecta
Whihc of the following is most common in permanent maxillary laterals?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
B. Dens Invaginatus (Dens in Dente)
Note: you need a radiograph to diagnose
Which of the following is caused by invagination of the inner enamel epithelium (IEE)?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
B. Dens Invaginatus (Dens in Dente)
note: caries can progress very quickly through tunnel
Which of the following present as thin to no enamel, but dentin and pulp are normal?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
C. Amelogenesis Imperfecta
Note: Amelogenesis imperfecta is an intrinsic alteration of enamel
Which of the following is usually due to traumatic injury to a primary tooth?
A. Dens Evaginatus
B. Dens Invaginatus
C. Taurodontism
D. Dilaceration
D. Dilaceration
Dilaceration: abnormal bend in root
Which of the following is associated with Congenital Syphilis?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
A. Enamel Hypoplasia
Congenital Syphilis = mulberry molars and Hutchinson’s incisors
Whihc of the following is associated with Blue Sclera?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
D. Dentinogenesis Imperfecta
Dentinogenesis Imperfecta = short roots, bell-shaped crowns, and obliterated pulps
Which of the following presents as short roots, bell-shaped crowns and obliterated pulps?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
D. Dentinogenesis Imperfecta
Which of the following is associated with Bulbous crowns in radiographs?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
D. Dentinogenesis Imperfecta
Hutchinson’s incisors and Mulberry molars are associated with which of the following?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
A. Enamel Hypoplasia
Abnormal mineralization resulting in white spots is indicative of which of the following?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
B. Enamel Hypocalcification
Enamel Hypoplasia = Hutchinson’s incisors and Mulberry molars
Enamel Hypocalcification = White spots
A periapical infection or trauma to a primary tooth causes an inflammatory response that messes up the ameloblasts of the developing permanent tooth. This may result in which of the following conditions?
A. Enamel Hypoplasia
B. Enamel Hypocalcification
C. Amelogenesis Imperfecta
D. Dentinogenesis Imperfecta
A. Enamel Hypoplasia
All of the following is associated with Enamel Hypoplasia EXCEPT:
A. Turner’s hypoplasia
B. Congenital syphilis
C. White spots
D. Mulberry molars
E. All of the above are associated with enamel hypoplasia
C. White spots
Discuss Enamel Hypoplasia in regards to each of the following:
- Turner’s hypoplasia = ?
- Congenital Syphilis = ?
- What stage of development does this occur?
Discuss Enamel Hypocalcification in regards to each of the following:
- What stage in development does this occur?
- What is the clinical presentation of Enamel Hypocalcification?
Discuss Amelogenesis Imperfecta in regards to each of the following:
- What stage of development does this occur?
- What type of genetic condition is this?
- Intrinsic alteration of _____.
- What teeth are affected?
- What is the clinical/radiographic presentation?
- Tx = ?
Discuss Dentinogenesis Imperfecta in regards to each of the following:
- What stage of odontogenesis does this occur?
- Autosomal _____.
- Intrinsic alteration of _____.
- Clinical/Radiographic presentation?
- _____ crowns in radiographs due to constricted _____.
- What occurs with the eyes of these patients?
- Tx?
The union of two adjacent teeth by cementum only is known as _____.
A. Dentin dysplasia
B. Dilaceration
C. Regional Odontodysplasia
D. Concrescence
E. Enamel Pearl
D. Concrescence
note: concrescence is linked to hypercementosis and is most common with maxillary molars
A chunk of enamel blocking attachment of Sharpey’s fibers is known as which of the following?
A. Dentin dysplasia
B. Dilaceration
C. Regional Odontodysplasia
D. Concrescence
E. Enamel Pearl
E. Enamel Pearl
Note: these patients will automatically have a periodontal pocket… This only occurs in molars and will not come off w/ scaling
Which of the following is known as Ghost Teeth?
A. Dentin dysplasia
B. Dilaceration
C. Regional Odontodysplasia
D. Concrescence
E. Enamel Pearl
C. Regional Odontodysplasia
Which of the following is associated with Chevron pulps?
A. Dentin dysplasia (type I)
B. Dentin dysplasia (type II)
C. Regional Odontodysplasia
D. Concrescence
E. Enamel Pearl
B. Dentin dysplasia (type II)
Which of the following is associated with Short roots?
A. Dentin dysplasia (type I)
B. Dentin dysplasia (type II)
C. Regional Odontodysplasia
D. Concrescence
E. Enamel Pearl
A. Dentin dysplasia (type I)
Discuss Dentin Dysplasia in regards to each of the following:
- Autosomal ______.
- Intrinsic alteration of _______.
- How many teeth are affected?
- Type I Dentin Dysplasia = ?
- Type II Dentin Dysplasia = ?
- Tx?
Discuss Regional Odontoplasia in regards to each of the following:
- What does Regional Odontoplasia look like radiographically? ***BOARDS***
- How many teeth are affected and what does this condition do to those teeth?
- Tx?
Discuss Concrescence in regards to each of the following:
- Union of two adjacent teeth by ______ only.
- What are the most common teeth affected?
- What can concrescence interfere with?
- Concrescence is linked to _____.
Discuss Enamel Pearls in regards to each of the following:
- __________ blocking attachment of _______ fibers
- What do patients w/ this condition automatically have?
- Scaling?
- What teeth does enamel pearls only occur in?
All of the following are true of Primary tooth anatomy EXCEPT:
A. Thinner enamel than permanent teeth
B. Bigger pulps than permanent teeth
C. Whiter than permanent teeth
D. Occlusal directed enamel rods
E. All of the above are true
E. All of the above are true
All of the following are true of Primary tooth anatomy EXCEPT:
A. Thinner enamel than permanent teeth
B. Bigger pulps than permanent teeth
C. Wider F-L and longer incisal-gingival
D. Occlusal directed enamel rods
E. All of the above are true
C. Wider F-L and longer incisal-gingival
Discuss Primary tooth anatomy in regards to permanent teeth:
Whihc of the following primary teeth is the widest anterior Facial-Lingual?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canine
D. Primary mandibular centrals
E. Primary mandibular centrals
C. Primary maxillary canine
Which of the following primary teeth is the widest anterior Mesial-Distal?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canine
D. Primary mandibular centrals
E. Primary mandibular centrals
A. Primary maxillary centrals
Which of the following primary teeth is the is the only anterior tooth where Width > Height?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canine
D. Primary mandibular centrals
E. Primary mandibular centrals
A. Primary maxillary centrals
Which of the following primary teeth is the widest Facial-Lingual of all primary teeth?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
E. Primary maxillary 2nd molars
Which of the following primary teeth resembles the crown of the permanent maxillary 1st molar?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
E. Primary maxillary 2nd molars
Which of the following primary teeth resembles the crown of the permanent maxillary 1st premolar?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
D. Primary maxillary 1st molars
Which of the following primary teeth has the most prominent MF cervical ridge?
A. Primary maxillary centrals
B. Primary maxillary laterals
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
D. Primary maxillary 1st molars
Which of the following primary teeth is the widest mesial-distal?
A. Primary mandibular 1st molars
B. Primary mandibular 2nd molars
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
B. Primary mandibular 2nd molars
Which of the following is the most unique primary tooth?
A. Primary mandibular 1st molars
B. Primary mandibular 2nd molars
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
A. Primary mandibular 1st molars
Which of the following primary teeth resembles the crown of the permanent mandibular 1st molar?
A. Primary mandibular 1st molars
B. Primary mandibular 2nd molars
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
B. Primary mandibular 2nd molars
Primary Max 2nd molar = permanent max 1st molar
Primary Mand 2nd molar = permanent mand 1st molar
Which of the following primary teeth is the smallest facial-lingual?
A. Primary mandibular centrals
B. Primary mandibular laterals
C. Primary maxillary canines
D. Primary maxillary centrals
E. Primary maxillary laterals
A. Primary mandibular centrals
Which of the following is the only primary tooth with a cusp of Carabelli, oblique ridge and DL groove?
A. Primary mandibular 1st molars
B. Primary mandibular 2nd molars
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
E. Primary maxillary 2nd molars
Which of the following is the last primary tooth to erupt?
A. Primary mandibular 1st molars
B. Primary mandibular 2nd molars
C. Primary maxillary canines
D. Primary maxillary 1st molars
E. Primary maxillary 2nd molars
E. Primary maxillary 2nd molars
Discuss the unique characteristics of the Primary Maxillary Central Incisor: (3)
Discuss all of the unique facts about the Primary Maxillary Canine: (4)
Discuss all of the unique characteristics of the Primary Maxillary 1st Molar: (3)
Discuss all of the unique characteristics about the Primary Maxillary 2nd Molar: (4)
Discuss all of the unique characteristics about the Primary Mandibular Central Incisor: (2)