DECKS

Question 1

A stray crown is found in your office. It is an anterior tooth and has a cingulum that is offset from the center. What tooth is it most likely to be?

• maxillary canine
• maxillary lateral incisor
• mandibular lateral incisor
• mandibular central incisor

Answer 1

Mandibular lateral incisor

Question 2

Which characteristic below is common to all mandibular anterior teeth?

• distinct congula with grooves and pits
• incisal edges that are facial to the root axis line
• facial surfaces that are marked by pronounced labial ridges
• continuous convexity incisoapically on the facial surface

Answer 2

• continuous convexity incisoapically on the facial surface

Question 3

A clinical examination of your patient reveals two lower incisors centered on the midline. The patient gives a history of a car accident When he was young he lost two of his lower front teeth. He says that his dentist used braces to fill in the gaps. Which of the
following criteria would be most reliable to decide if the remaining teeth were lateral or central incisors?

• difference in root length
• difference in the ratio of crown length to root length
• degree of slope of the incisal edge when viewed facially
• difference in rotation of the crown on the root

Answer 3

• difference in rotation of the crown on the root

Question 4

The mesial and distal aspects of the anterior teeth - central incisors, lateral incisors, and canines, maxillary and mandibular - may be included within triangles. The base of the triangle is represented by the cervical portion of the crown and the apex by the incisal ridge.

• both statements are true
• both statements are false
• the first statement is true, the second is false
• the first statement is false, the second is true

Answer 4

both statements are true

Question 5

Which of the following statements best describes the pulp canal of the mandibular lateral incisor?

• an elliptical shape, consistently wider in the mesiodistal direction
• an elliptical shape, consistently wider in the faciolingual direction
• an elliptical shape, wider in the mesiodistal direction in the pulp chamber,
  but wider in the faciolingual direction in the mid-root area
• an elliptical shape, wider in the faciolingual direction in the pulp chamber, but wider in the mesiodistal direction in the mid-root area

Answer 5

an elliptical shape, wider in the mesiodistal direction in the pulp
cham ber, but wider in the faciolingual direction in the mid-root area

Question 6

Which of the following line angles is the least “square”?

• mesioincisal of the mandibular lateral incisor
• disto incisal of the mandibular lateral incisor
• mesioincisal of the mandibular central incisor
• distoincisal o f the mandibular central incisor

Answer 6

distoincisal of the mandibular lateral incisor

Question 7

Which tooth has a pulp chamber that is least like the others?

• maxillary central incisor
• mandibular central incisor
• maxillary lateral incisor
• mandibular lateral incisor

Answer 7

Maxillary central incisor

Question 8

When looking at the facial or lingual aspect of an anterior teeth, they have a:

• trapezoidal outline
• triangular outline
• rhomboidal outline
• square outline

Answer 8

trapezoidal outline

Question 9

In maximum intercuspation, which anterior tooth is unique in that it contacts with both anterior and posterior segments of the opposite
arch?
* maxillary first premolar
* maxillary canine
* mandibular first premolar
* mandibular canine

Answer 9

maxillary canine

Question 10

A hockey player comes into your office with his six upper anterior teeth in his hand. How can you distinguish the right canine from the left canine?

• the root always curves to the distal in the apical one-third
• the distal surface is fuller and more convex than the mesial surface
• labially, the cusp tip is placed distal to a line which bisects the crown and root
• lingually, the cervical line slopes mesially

Answer 10

The distal surface is fuller and more convex than the mesial surface

Question 11

Which of the following terms is specific to canines?

• labial ridge
• lingual fossa
• mamelons
• cingulum

Answer 11

labial ridge

Question 12

A mother brings her three kids to your office for their annual check ups. Which of the following statements is most likely to be true?

• the middle child is 11 and has no adult canine teeth
• the youngest child is 10 and has a adult mandibular canines only
• the oldest child is 12 and has m axillary canines only
• the youngest child is 10 and has adult maxillary canines only
• the oldest child is 12 and has mandibular canines only

Answer 12

the youngest child is 10 and has adult mandibular canines only

Question 13

A hockey player comes into your office holding his friend’s right canines (maxillary and mandibular) in his hand. His friend, a lacrosse player, got hit by a ball flying under his mask. Which of the following
would you look for in the maxillary canine as compared to the mandibular canine? Select all that apply.

• it is narrower mesiodistally
• it has a more p ro n o u n ce d cingulum
• it is wider mesiodistally
• it has a shorter root

Answer 13

• it has a more pronounced cingulum
• it is wider mesiodistally

Question 14

Which cusp ridge is the longest on the permanent canines?

• labial
• lingual
• mesial
• distal

Answer 14

distal

Question 15

A 7-year-old boy visits your dental office with his mom for a routine check-up. Which succedaneous teeth are expected to be present in the child’s mouth?

• permanent mandibular first molars
• permanent mandibular central incisors
• permanent mandibular canines
• permanent mandibular premolars

Answer 15

permanent mandibular central incisors

Question 16

A mother brings her 1-year-old into your office the day after his first birthday. She says the pediatrician said to have the first dental check up by this time. What primary teeth are you expecting to see when
the child opens?

• mandibular incisors only
• maxillary incisors only
• mandibular and maxillary incisors
• all incisors and maxillary canines
• all incisors and mandibular canines
• all anterior teeth

Answer 16

mandibular and maxillary incisors

Question 17

Tommy, a pediatric patient of yours, says he lost his top vampire tooth last week and the tooth fairy gave him a dollar for it. What is Tommy’s most likely age range when he lost his maxillary canine tooth?

• 6-7 years old
• 7-8 years old
  *1 0 -1 2 years old
  *1 4 -1 6 years old

Answer 17

10-12 years old

Question 18

Which of the following are the cardinal rules regarding the eruption of teeth?
Select all that apply.

• boys’ teeth usually e rupt before girls’ teeth of the same age
• girls’ teeth usually erupt before boys’ teeth of the same age
• maxillary teeth usually erupt before mandibular teeth
• mandibular teeth usually erupt before maxillary teeth
• the teeth of slender children usually erupt before the teeth of stocky children
• the teeth of stock y children usually erupt before the teeth of slender children

Answer 18

• girls’ teeth usually erupt before boys’ teeth of the same age
• mandibular teeth usually erupt before maxillary teeth
• the teeth of slender children usually erupt before the teeth of stocky children

Question 19

A child in the ugly duckling stage of dental development belongs to which of the following age groups?

• 1 to 6 years
• 6 to 12 years
• 12 to 18 years
• 18 years and above

Answer 19

6 to 12 years

Question 20

A 15-month-old child walks into your office and begins to cry and hold his mouth in pain. Which teeth have probably not been traumatized, as they are not usually present at 15 months of age?

• primary lateral incisors and canines
• primary canines and first molars
• prim ary canines and second molars
• primary central and lateral incisors
• primary first and second molars