Chapter 20: Occlusion
Which of the following occurs during phase one of arch development with the
permanent dentition?
A. Permanent first molars erupt
B. Permanent anterior teeth erupt
C. Permanent premolars erupt
D. Permanent second molars erupt
Permanent first molars
Which of the following statements are CORRECT concerning overbite?
A. Measured in millimeters with tip of periodontal probe
B. Measured before patient is placed in centric occlusion
C. 'Excessive amounts noted more in men than women
D. Tend to increase with age due to incisal wear
A. Measured in millimeters with tip of periodontal probe
Which of the following is considered habitual occlusion in a patient?
A. Malocclusion
B. Centric occlusion (wrong answer)
C. Range of motion
D. Centric relation
D. Centric relation
Which of the following is the lateral curve that results when a frontal section is
visually compared to each set of maxillary and mandibular molars—the firsts,
seconds, and then thirds?
A. Curve of Spee
B. Root axis line
C. Curve of Wilson
D. Centric relation
C. Curve of Wilson
, What phase of arch development occurs when the canines wedge themselves
between the permanent lateral incisors and the first premolars?
A. One
B. Two
C. Three
D. Four
D. Four
Phase five is the FINAL phase of the development of the final dental arch form
and consists of eruption of the
A. first premolars.
B. first molars
C. .second molars.
D. third molars.
D. third molars.
Those cusps that function during centric occlusion include the lingual cusps of
the maxillary posterior teeth and the buccal cusps of the mandibular posterior
teeth and are called the
A. centric stops.
B. supporting cusps
C. .premature contacts.
D. canine rise.
B. supporting cusps
In normal occlusion, the canine should be the ONLY tooth in function during
lateral occlusion; this is called the canine
A. group function.
B. rise
C. .balancing interference
D. working side.
B. rise
When ALL eight of the most anterior teeth (centrals and laterals) of both arches
are in normal contact, the mandible is undergoing
A. protrusion.
Which of the following occurs during phase one of arch development with the
permanent dentition?
A. Permanent first molars erupt
B. Permanent anterior teeth erupt
C. Permanent premolars erupt
D. Permanent second molars erupt
Permanent first molars
Which of the following statements are CORRECT concerning overbite?
A. Measured in millimeters with tip of periodontal probe
B. Measured before patient is placed in centric occlusion
C. 'Excessive amounts noted more in men than women
D. Tend to increase with age due to incisal wear
A. Measured in millimeters with tip of periodontal probe
Which of the following is considered habitual occlusion in a patient?
A. Malocclusion
B. Centric occlusion (wrong answer)
C. Range of motion
D. Centric relation
D. Centric relation
Which of the following is the lateral curve that results when a frontal section is
visually compared to each set of maxillary and mandibular molars—the firsts,
seconds, and then thirds?
A. Curve of Spee
B. Root axis line
C. Curve of Wilson
D. Centric relation
C. Curve of Wilson
, What phase of arch development occurs when the canines wedge themselves
between the permanent lateral incisors and the first premolars?
A. One
B. Two
C. Three
D. Four
D. Four
Phase five is the FINAL phase of the development of the final dental arch form
and consists of eruption of the
A. first premolars.
B. first molars
C. .second molars.
D. third molars.
D. third molars.
Those cusps that function during centric occlusion include the lingual cusps of
the maxillary posterior teeth and the buccal cusps of the mandibular posterior
teeth and are called the
A. centric stops.
B. supporting cusps
C. .premature contacts.
D. canine rise.
B. supporting cusps
In normal occlusion, the canine should be the ONLY tooth in function during
lateral occlusion; this is called the canine
A. group function.
B. rise
C. .balancing interference
D. working side.
B. rise
When ALL eight of the most anterior teeth (centrals and laterals) of both arches
are in normal contact, the mandible is undergoing
A. protrusion.
