Question 1

Malocclusion is:

Accepted Answer

A)   tooth contact when biting and chewing
B)   the presence of primary teeth in a permanent dentition
C)   an abnormal relationship of the maxillary teeth to the mandibular teeth when occluded
D)   the habitual occlusion or bite of opposing teeth when the mandible is in centric relationE) All of the above
F) B) and C)

Question 2

Match each angle classification with its correct arch relationship.

-MB of the maxillary first molar occludes distal to the MB groove of the lower first molar; maxillary centrals are retruded and lateral incisors are tipped

Accepted Answer

A)  Class I
B)  Class II, division 1
C)  Class II, division 2
D)  Class III
E)  Normal occlusionF) B) and C)
G) A) and D)

Question 3

A positioner is an orthodontic appliance cemented in place to hold space for the eruption of a permanent tooth.

Accepted Answer

A) True 
 B)False

Exam 28: Orthodontics

Match each angle classification with its correct arch relationship. -MB of the maxillary first molar occludes distal to the MB groove of the lower first molar; maxillary centrals are retruded and lateral incisors are tipped

Correct Answer
verified

Malocclusion is:

Correct Answer
verified

A positioner is an orthodontic appliance cemented in place to hold space for the eruption of a permanent tooth.

Correct Answer
verified

Exam 28: Orthodontics

Match each angle classification with its correct arch relationship. -MB of the maxillary first molar occludes distal to the MB groove of the lower first molar; maxillary centrals are retruded and lateral incisors are tipped

Correct AnswerverifiedShow Answer

Malocclusion is:

Correct AnswerverifiedShow Answer

A positioner is an orthodontic appliance cemented in place to hold space for the eruption of a permanent tooth.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified