NBDE I Questions and Answers A+ Guide
*No*nmaleficence - correct answers✅✅Do *no* harm
*Auto*nomy - correct answers✅✅patient to make his or her
*own decisions* regarding the treatment that they will receive
Beneficence - correct answers✅✅promoting or *doing good*
Veracity - correct answers✅✅being *truthful* and respecting
the position of trust that is essential in the dental
professional/patient relationship
Justice - correct answers✅✅providing individuals or groups
with *what is owed*, due or deserved.
Primary tooth eruption chart - correct answers✅✅
Which primary tooth is most likely to have an oblique ridge? -
correct answers✅✅Maxillary second molar
Gothic arch tracing - correct answers✅✅C = apex and centric
relation
Picket fence - correct answers✅✅
Mandibular second premolar - correct answers✅✅
,NBDE I Questions and Answers A+ Guide
Mandibular second premolar - correct answers✅✅
Permanent tooth eruption chart - correct answers✅✅
Permanent tooth eruption chart - correct answers✅✅
Cusp of carabelli - correct answers✅✅only found in *maxillary*
molars
If a maxillary first molar has *4 root canals..* - correct
answers✅✅*Mesiobuccal* has 2
Maxillary permanent first molar structures - buccal side - M to D...
- correct answers✅✅MB line *angle*, MB cusp *ridge*, buccal
*groove*, DB cusp *ridge*, and DB line *angle*.
Mandibular permanent first molar - correct answers✅✅
Accessory teeth are most commonly found - correct
answers✅✅Between the *maxillary central incisors*
(mesiodens)
Behind the *third molars* (distodens)
Near the *mandibular second premolars* (peridens)
Partial anodontia (missing teeth) - correct answers✅✅most
commonly observed with *third molars*, followed by the
,NBDE I Questions and Answers A+ Guide
*maxillary lateral incisors* and the *mandibular second
premolars.*
Primary eruption sequence - correct answers✅✅
7 + 4 rule - correct answers✅✅
Height of contour - correct answers✅✅located on the *cervical
third of the crown of all teeth*, except the *lingual surface of
posterior teeth, where it is in the middle third*
*lingual height of contour for mandibular second premolar is
cervical third*
Permanent Max vs Mand canine - correct answers✅✅The
permanent *mandibular canine is* much *narrower faciolingually*
than the permanent maxillary canine
*mandibular canine is more likely to have 2 roots*
*Enamel* Abnormalities - correct answers✅✅*Focal*
hypomaturation: Similar to hypocalcification except that only *one
area is affected (focused).*
*Amelogenesis* imperfecta: *Hereditary* condition causing
enamel defects. Severity ranges from complete enamel absence
to minor defects. *Severe attrition* is common.
, NBDE I Questions and Answers A+ Guide
*Dental fluorosis (mottled enamel)*: Caused by *high fluoride* ion
intake during tooth development. Clinically has a chalky white
shape.
*Turner's hypoplasia*: Caused by local factors including *injury to
the developing permanent tooth* through extraction or infection
of the primary tooth.
Vocab... - correct answers✅✅*A*nodontia: *All* teeth
congenitally missing
*Partial* anodontia: One or a *few* missing teeth
*Oligiodontia: Six or more* congenitally missing teeth, *excluding
third molars*
*Hyper*dontia: *One or more* additional teeth. Each extra tooth is
known as a supernumerary tooth.
*Mesiodens*: Most common supernumerary tooth, found
*between the central incisors*
Contact areas - correct answers✅✅*Anterior* tooth contacts
are *centered faciolingually* when viewed from the incisal.
*No*nmaleficence - correct answers✅✅Do *no* harm
*Auto*nomy - correct answers✅✅patient to make his or her
*own decisions* regarding the treatment that they will receive
Beneficence - correct answers✅✅promoting or *doing good*
Veracity - correct answers✅✅being *truthful* and respecting
the position of trust that is essential in the dental
professional/patient relationship
Justice - correct answers✅✅providing individuals or groups
with *what is owed*, due or deserved.
Primary tooth eruption chart - correct answers✅✅
Which primary tooth is most likely to have an oblique ridge? -
correct answers✅✅Maxillary second molar
Gothic arch tracing - correct answers✅✅C = apex and centric
relation
Picket fence - correct answers✅✅
Mandibular second premolar - correct answers✅✅
,NBDE I Questions and Answers A+ Guide
Mandibular second premolar - correct answers✅✅
Permanent tooth eruption chart - correct answers✅✅
Permanent tooth eruption chart - correct answers✅✅
Cusp of carabelli - correct answers✅✅only found in *maxillary*
molars
If a maxillary first molar has *4 root canals..* - correct
answers✅✅*Mesiobuccal* has 2
Maxillary permanent first molar structures - buccal side - M to D...
- correct answers✅✅MB line *angle*, MB cusp *ridge*, buccal
*groove*, DB cusp *ridge*, and DB line *angle*.
Mandibular permanent first molar - correct answers✅✅
Accessory teeth are most commonly found - correct
answers✅✅Between the *maxillary central incisors*
(mesiodens)
Behind the *third molars* (distodens)
Near the *mandibular second premolars* (peridens)
Partial anodontia (missing teeth) - correct answers✅✅most
commonly observed with *third molars*, followed by the
,NBDE I Questions and Answers A+ Guide
*maxillary lateral incisors* and the *mandibular second
premolars.*
Primary eruption sequence - correct answers✅✅
7 + 4 rule - correct answers✅✅
Height of contour - correct answers✅✅located on the *cervical
third of the crown of all teeth*, except the *lingual surface of
posterior teeth, where it is in the middle third*
*lingual height of contour for mandibular second premolar is
cervical third*
Permanent Max vs Mand canine - correct answers✅✅The
permanent *mandibular canine is* much *narrower faciolingually*
than the permanent maxillary canine
*mandibular canine is more likely to have 2 roots*
*Enamel* Abnormalities - correct answers✅✅*Focal*
hypomaturation: Similar to hypocalcification except that only *one
area is affected (focused).*
*Amelogenesis* imperfecta: *Hereditary* condition causing
enamel defects. Severity ranges from complete enamel absence
to minor defects. *Severe attrition* is common.
, NBDE I Questions and Answers A+ Guide
*Dental fluorosis (mottled enamel)*: Caused by *high fluoride* ion
intake during tooth development. Clinically has a chalky white
shape.
*Turner's hypoplasia*: Caused by local factors including *injury to
the developing permanent tooth* through extraction or infection
of the primary tooth.
Vocab... - correct answers✅✅*A*nodontia: *All* teeth
congenitally missing
*Partial* anodontia: One or a *few* missing teeth
*Oligiodontia: Six or more* congenitally missing teeth, *excluding
third molars*
*Hyper*dontia: *One or more* additional teeth. Each extra tooth is
known as a supernumerary tooth.
*Mesiodens*: Most common supernumerary tooth, found
*between the central incisors*
Contact areas - correct answers✅✅*Anterior* tooth contacts
are *centered faciolingually* when viewed from the incisal.
