ABPD QE REVIEW QUESTIONS AND CORRECT VERIFIED ANSWERS

ABPD QE REVIEW QUESTIONS AND
CORRECT VERIFIED ANSWERS
WhatA2isA2theA2purposeA2ofA2theA2HerbstA2appliance?A2-A2Ans--
ToA2correctA2skeletalA2classA2IIA2malocclusion

DisplacesA2theA2mandibleA2forwardA2withA2lowerA2dentalA2protraction.A2
DistalizesA2upperA2molarsA2andA2restrainsA2theA2maxilla

Cervical-pullA2headgearA2isA2usedA2forA2whatA2purpose?A2-A2Ans--
OptimizesA2molarA2distalizationA2andA2extrusion
DecreasesA2overbiteA2(soA2avoidA2withA2dolichofacialA2patients)
AA2pointA2movesA20.5-1mmA2distal,A2lowerA2faceA2heightA2increases

High-pullA2headgearA2isA2usedA2forA2whatA2purpose?A2-A2Ans--
OptimizesA2restraintA2ofA2maxillaryA2growth
MinimizesA2verticalA2eruptiveA2development
EnhancesA2overbite
RelativelyA2intrudesA2maxillaryA2molarsA2(soA2avoidA2inA2brachyfacialA2patients)

WhenA2isA2diskingA2ofA2primaryA2caninesA2indicated?
HowA2muchA2spaceA2perA2sideA2canA2beA2achieved?A2-A2Ans--LessA2thanA23-
4mmA2ofA2incisorA2crowding,A2lateralsA2areA2activelyA2erupting,A2incisorsA2areA2linguallyA2
malpositioned
1-2mmA2perA2side

WhenA2isA2extractionA2ofA2theA2primaryA2caninesA2indicated?A2-A2Ans--
IncisorA2liabilityA2overA24mm
DistortedA2incisorA2positioning
AsymmetricA2ectopicA2lossA2ofA2primaryA2canine

PlacementA2ofA2LLHAA2stronglyA2recommended

GeneticA2disorder
FourA2levelsA2ofA2severity-A2perinatal,A2infantile,A2childhood,A2adult
PrematureA2lossA2ofA2deciduousA2teethA2(fullyA2rooted)
AbnormalA2cementum
AbnormallyA2largeA2pulpA2chambers
Deficient/defectiveA2alkalineA2phosphataseA2-A2Ans--Hypophosphatasia

AnatomyA2ofA2primaryA2teethA2-A2Ans--ThinnerA2enamelA2andA2dentin
LargerA2pulpA2hornsA2inA2relationA2toA2crown
PulpA2hornsA2closerA2toA2DEJA2(esp.A2MB)
EnamelA2rodsA2inA2gingivalA2thirdA2extendA2inA2occlusalA2directionA2fromA2DEJ

,MoreA2prominentA2cervicalA2constriction
Broader,A2flatterA2contactA2areas
WhiterA2inA2color,A2dentinA2isA2lighter
ShallowerA2pitsA2andA2fissures
MoreA2narrowA2occlusalA2table

TeethA2presentA2atA2birth?
TeethA2presentA2withinA230A2daysA2ofA2life?A2-A2Ans--NatalA2teeth
NeonatalA2teeth

3:1A2natal:neonatal

MucusA2glandA2tissueA2foundA2onA2buccalA2andA2lingualA2aspectsA2ofA2maxillaryA2alveolar
A2ridgeA2-A2Ans--Bohn'sA2nodules


DentalA2laminaA2remnantsA2foundA2onA2theA2crestA2ofA2theA2alveolarA2ridgeA2-A2Ans--
DentalA2laminaA2cysts

TrappedA2epithelialA2remnantsA2foundA2onA2theA2midpalatalA2rapheA2-A2Ans--
EpsteinA2pearls

FirmA2pinkA2toA2redA2mass
ArisesA2fromA2alveolarA2mucosaA2atA2birth
MostA2commonA2siteA2isA2maxillaryA2lateralA2andA2canineA2region
Females>males
Maxilla>mandibleA2-A2Ans--CongenitalA2epulisA2ofA2newborn

AbortiveA2attemptA2byA2singleA2toothA2toA2divide;A2bifidA2crownA2withA2singleA2rootA2andA2p
ulpA2chamber.A2
ClinicalA2Dx-A2extraA2crownA2-A2Ans--Gemination

CompleteA2cleavageA2ofA2singleA2budA2resultsA2inA2supernumeraryA2mirrorA2imageA2toothA
2-A2Ans--Twinning


MoreA2commonA2inA2primaryA2dentition
DentinalA2unionA2ofA2twoA2teeth
SeparateA2pulpA2chambers
LargeA2bifidA2crown
NormalA2complementA2ofA2crownsA2-A2Ans--Fusion

FusionA2occursA2afterA2rootA2formationA2isA2complete
Etiology-A2trauma,A2crowdingA2-A2Ans--Concresence

UnilateralA2microtia
FailureA2ofA2formationA2ofA2mandibularA2ramusA2andA2condyle
FrequentA2eyeA2andA2skeletalA2involvement

, 50%A2haveA2cardiacA2pathology-A2VSD,A2PDAA2-A2Ans--HemifacialA2microsomia
GoldenharA2syndrome

IntellectualA2disability
ShorteningA2ofA2cranialA2base
UnderdevelopedA2mandible,A2overdevelopedA2maxilla
TongueA2enlargement,A2markedA2crenations
CongenitalA2hypothyroidismA2-A2Ans--Cretinisim

WhatA2isA2theA2etiologyA2ofA2taurodontism?A2-A2Ans--
FailureA2ofA2invaginationA2ofA2Hertwig'sA2epithelialA2rootA2sheath

DuringA2whatA2stageA2ofA2toothA2developmentA2doA2taurodonts,A2densA2inA2dente,A2andA2d
ensA2evaginatusA2occur?A2-A2Ans--Morphodifferentiation

MarfanoidA2body,A2narrowA2facies,A2fullA2lips
MucosalA2neuromasA2ofA2lips,A2tongue,A2buccalA2mucosaA2andA2gingiva
MedullaryA2carcinomaA2ofA2thyroid
PheochromocytomaA2-A2Ans--MultipleA2endocrineA2neoplasiaA2typeA22B

WhatA2areA2theA2twoA2mostA2commonA2typesA2ofA2ectodermalA2dysplasiaA2-A2Ans--
HidroticA2andA2hypohidrotic

WhatA2isA2theA2mostA2commonA2inheritanceA2patternA2ofA2ectodermalA2dysplasia?
WhatA2isA2theA2prevalenceA2ofA2theA2mostA2commonA2formA2ofA2ED?A2-A2Ans--X-
linkedA2recessive
1:100,000

WhatA2areA2theA2fourA2commonA2characteristicA2defectsA2ofA2ectodermalA2dysplasia?A2-
A2Ans--Hair,A2sweatA2glands,A2teeth,A2nails


AutosomalA2recessiveA2disorder
ChronicA2pulmonaryA2disease
PancreaticA2insufficiency
HighA2sweatA2electrolyteA2concentrations
ChronicA2progressiveA2diseaseA2-A2Ans--CysticA2fibrosis

1/3200A2liveA2caucasianA2births
AbnormalA2CFTRA2protein
IncreasedA2calclulusA2withA2decreasedA2caries
IncreasedA2riskA2forA2candidiasis

WhichA2syndromesA2areA2associatedA2withA2taurodontism?A2-A2Ans--Klinefelter
Tricho-dento-osseousA2syndrome
MohrA2syndromeA2(OFDA2II)
EctodermalA2dysplasia