Dental Anatomy UPDATED Actual Exam
Questions and CORRECT Answers
primary dentition - CORRECT ANSWER- ✔✔The first set of 20 primary teeth
permanent dentition - CORRECT ANSWER- ✔✔The set of 32 secondary teeth
mixed dentition - CORRECT ANSWER- ✔✔A mixture of permanent teeth and primary teeth
that occurs until all primary teeth have been lost, usually between the ages of 6 and 12.
how many teeth are present in one quadrant of a complete adult dentition - CORRECT
ANSWER- ✔✔8
what class of teeth is present in the permanent dentition that is not present in the primary
dentition - CORRECT ANSWER- ✔✔premolars
in a permanent dentition the fifth tooth from the midline is a - CORRECT ANSWER-
✔✔premolar
the posterior teeth in the permanent dentition include which of the following - CORRECT
ANSWER- ✔✔premolars and molars only
which permanent tooth erupts into the space previously held by the primary second molar -
CORRECT ANSWER- ✔✔second molar
how many teeth are present in one arch of the adult dentition - CORRECT ANSWER- ✔✔16
how many teeth are present in one arch of the primary dentition - CORRECT ANSWER-
✔✔10
how many incisors are present in the complete adult dentition - CORRECT ANSWER- ✔✔8
,how many molars are present in the primary dentition - CORRECT ANSWER- ✔✔8
how many molars are present in each arch of the adult dentition - CORRECT ANSWER-
✔✔6
what is the fourth tooth from the midline in the primary dentition - CORRECT ANSWER-
✔✔first molar
Universal numbering system - CORRECT ANSWER- ✔✔Teeth are numbered from 1-16 on
the upper arch, and 17-32 on the lower arch. The primary teeth are lettered A-T.
Palmer notation system - CORRECT ANSWER- ✔✔System of coding teeth using brackets,
numbers, and letters.
enamel - CORRECT ANSWER- ✔✔hard, outermost layer of a tooth with a mineral content
of 95% calcium hydroxyapatite.
Cementum - CORRECT ANSWER- ✔✔Specialized, calcified connective tissue that covers
the anatomic root of a tooth. 65% mineralized
cementoenamel junction - CORRECT ANSWER- ✔✔The junction line between the enamel
layer and the cementum layer of the tooth. or cervical line
Dentin - CORRECT ANSWER- ✔✔Dense tissue forming the bulk of a tooth.
pulp - CORRECT ANSWER- ✔✔soft tissue within a tooth, containing nerves and blood
vessels
functions of the dental pulp - CORRECT ANSWER- ✔✔Formative - dentin-producing cells
(odontoblasts) produce dentin throughout life of tooth
Sensory - nerve endings produce sense of pain
, Nutritive - nutrients from bloodstream go to pulp
Defensive or Protective - pulp responds to injury by forming dentin
which mineralized tissue is the hardest - CORRECT ANSWER- ✔✔enamel
what tissue forms the outer boundary of almost all the pulp chamber - CORRECT ANSWER-
✔✔dentin
the periodontal ligament attaches the alveolar bone to what tooth tissue - CORRECT
ANSWER- ✔✔cementum
Buccual - CORRECT ANSWER- ✔✔located next to the cheek
labial - CORRECT ANSWER- ✔✔located next to the lips, not used for pre/molars
lingual - CORRECT ANSWER- ✔✔nearest to the tongue, in the maxillary Arch is called
palatal surface
occlusal - CORRECT ANSWER- ✔✔Chewing surface of posterior teeth
incisal - CORRECT ANSWER- ✔✔Biting edge of anterior teeth
proximal surfaces - CORRECT ANSWER- ✔✔The surfaces next to each other when teeth
are adjacent in the arch
Distal - CORRECT ANSWER- ✔✔farthest from the midline
Mesial - CORRECT ANSWER- ✔✔Surface of the tooth toward the midline
Questions and CORRECT Answers
primary dentition - CORRECT ANSWER- ✔✔The first set of 20 primary teeth
permanent dentition - CORRECT ANSWER- ✔✔The set of 32 secondary teeth
mixed dentition - CORRECT ANSWER- ✔✔A mixture of permanent teeth and primary teeth
that occurs until all primary teeth have been lost, usually between the ages of 6 and 12.
how many teeth are present in one quadrant of a complete adult dentition - CORRECT
ANSWER- ✔✔8
what class of teeth is present in the permanent dentition that is not present in the primary
dentition - CORRECT ANSWER- ✔✔premolars
in a permanent dentition the fifth tooth from the midline is a - CORRECT ANSWER-
✔✔premolar
the posterior teeth in the permanent dentition include which of the following - CORRECT
ANSWER- ✔✔premolars and molars only
which permanent tooth erupts into the space previously held by the primary second molar -
CORRECT ANSWER- ✔✔second molar
how many teeth are present in one arch of the adult dentition - CORRECT ANSWER- ✔✔16
how many teeth are present in one arch of the primary dentition - CORRECT ANSWER-
✔✔10
how many incisors are present in the complete adult dentition - CORRECT ANSWER- ✔✔8
,how many molars are present in the primary dentition - CORRECT ANSWER- ✔✔8
how many molars are present in each arch of the adult dentition - CORRECT ANSWER-
✔✔6
what is the fourth tooth from the midline in the primary dentition - CORRECT ANSWER-
✔✔first molar
Universal numbering system - CORRECT ANSWER- ✔✔Teeth are numbered from 1-16 on
the upper arch, and 17-32 on the lower arch. The primary teeth are lettered A-T.
Palmer notation system - CORRECT ANSWER- ✔✔System of coding teeth using brackets,
numbers, and letters.
enamel - CORRECT ANSWER- ✔✔hard, outermost layer of a tooth with a mineral content
of 95% calcium hydroxyapatite.
Cementum - CORRECT ANSWER- ✔✔Specialized, calcified connective tissue that covers
the anatomic root of a tooth. 65% mineralized
cementoenamel junction - CORRECT ANSWER- ✔✔The junction line between the enamel
layer and the cementum layer of the tooth. or cervical line
Dentin - CORRECT ANSWER- ✔✔Dense tissue forming the bulk of a tooth.
pulp - CORRECT ANSWER- ✔✔soft tissue within a tooth, containing nerves and blood
vessels
functions of the dental pulp - CORRECT ANSWER- ✔✔Formative - dentin-producing cells
(odontoblasts) produce dentin throughout life of tooth
Sensory - nerve endings produce sense of pain
, Nutritive - nutrients from bloodstream go to pulp
Defensive or Protective - pulp responds to injury by forming dentin
which mineralized tissue is the hardest - CORRECT ANSWER- ✔✔enamel
what tissue forms the outer boundary of almost all the pulp chamber - CORRECT ANSWER-
✔✔dentin
the periodontal ligament attaches the alveolar bone to what tooth tissue - CORRECT
ANSWER- ✔✔cementum
Buccual - CORRECT ANSWER- ✔✔located next to the cheek
labial - CORRECT ANSWER- ✔✔located next to the lips, not used for pre/molars
lingual - CORRECT ANSWER- ✔✔nearest to the tongue, in the maxillary Arch is called
palatal surface
occlusal - CORRECT ANSWER- ✔✔Chewing surface of posterior teeth
incisal - CORRECT ANSWER- ✔✔Biting edge of anterior teeth
proximal surfaces - CORRECT ANSWER- ✔✔The surfaces next to each other when teeth
are adjacent in the arch
Distal - CORRECT ANSWER- ✔✔farthest from the midline
Mesial - CORRECT ANSWER- ✔✔Surface of the tooth toward the midline
