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Test your basic knowledge |
Dentistry Occlusion
Start Test
Study First
Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Patients show evidence or signs and syptoms of occ disease
flush terminal plane
occlusal trauma
pathologic occlusion
causes of open bite
2. Guidance for protrusive occ should be on the
class II malocclusion
Overbite is a ___ measurement
anterior teeth
moderate overbite
3. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Open bite
Centric occlusion is also called
primary occlusal trauma
hypercementosis
4. Usually indicative of moderate to sever perio and secondary occ trauma
excessive occlusal force
physiologic occlusion
pathologic tooth migration
Centric occlusion is also called
5. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
linguoversion
Lateral excursion
Intercuspation
interdigitation
6. Difference between primary and secondary occ trauma
bone support
labialversion or buccoversion
class III
other names for centric occlusion
7. Max canine occludes with mand. canine and mand. 1st premolar.
supraversion
curve of monson
canine relationship
Acromegaly
8. Starts closer to premolars
premature curve of spee
dynamic occlusion
traumatogenic occlusion
causes of primary occlusal trauma
9. Mandibular molars and maxillary molars are even
flush terminal plane
An ideal curve of spee would be
Intercuspation
tooth mobility
10. Anterior; no horizontal overlap
Acromegaly
Dentures
openbite
edge to edge
11. Prognathic profile
hawley appliance
linguoversion
class III
late curve of spee
12. Contact between maxillary incisors does not line up with contact of mandibular incisors
drifted mesial
gingiva
splinting
Midline deviation
13. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Dentures
Acromegaly
dynamic occlusion
Premature contact
14. Maxillary overlap mandibular; whole arch
horizontal overlap
secondary occlusal trauma
Overbit
Abfraction
15. Mandibular molars more distal than maxillary molars
Overbit
distal step
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
infraversion
16. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Unilateral crossbite occurs when
gingiva
canine relationship
17. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
inflammation
crestal funneling
overbite
centric relation
18. Mesognathic profile
class I
Protrusion
Overbit
open bite
19. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
late curve of spee
class II - div 1
excessive occlusal force
20. During selective grinding - occlusion should be adjusted In what four relationships
underjet
Premature contact
Crossbite
centric occlusion - centric relation - protrusive and lateral movements
21. Most common cause is when the maxilla does not grow in proportion to the mandible
canine guidance or protection
Crossbite
Overjet is a ___ measurement
horizontal overlap
22. Excessive occ force with adequate bone support =
primary occlusal trauma
Intercuspation
dynamic occlusion
divisions of parafunctional contacts
23. Relationship of the arches bone to bone;
centric relation
osteoclast resorption
anterior crossbite
Mandibular posterior teeth vertical alignment
24. Cusps of maxillary teeth directly over cusps of mandibular teeth
Open bite
traumatogenic occlusion
Centric(habitual) occlusion
Edge to edge bite occurs when
25. Habitual - acquired - convenience - intercuspal & static
leeway spaces
Acromegaly
normal curve of spee
other names for centric occlusion
26. Mandible moves to the right or left
Occlusion can be affected by
occlusal erosion
Attrition
Lateral excursion
27. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
Edge to edge bite occurs when
anterior teeth
premature occlusal contact
28. Spaces between two teeth
hypercementosis
curve of wilson
secondary occlusal trauma
diastemas
29. Laterally
From a frontal view - anterior teeth lean ___
splinting
conditions that occur in class II - div I
Centric relation
30. Rotated or twisted; rotated mesial or distal
class II malocclusion
Intercuspation
molar relationship
torsoversion
31. The patient is constantly tightening the lower lip against the lower anterior teeth causing the the mandibular teeth to be pushed back into the mouth by this overdeveloped lower lip
Retrusion
Intercuspation
class II - div 1
openbite
32. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
end to end
premature curve of spee
conditions that occur in class II - div I
occlusal trauma
33. Tooth positioned more lingual
secondary occlusal trauma
physiologic occlusion
linguoversion
Intercuspation
34. Tongue thrust or thumb sucking can cause
edge to edge
decrease over time
inter-arch
class II division I occlusion
35. Mb cusp of max 1st molar-buccal groove of mand 1st molar
normal overbite
leeway spaces
molar relationship
crestal funneling
36. Later
Condyles of the mandible continue grow ___than the maxilla
divisions of parafunctional contacts
Midline deviation
occlusion pattern
37. Tooth extracted
anterior teeth
underjet
bone support
drifted mesial
38. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
Unilateral crossbite occurs when
codestructive theory
normal overbite
occlusion pattern
39. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II
class II - div 1
gingiva
non working or balancing side
other names for centric occlusion
40. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
curve of spee
occlusion pattern
From a frontal view - anterior teeth lean ___
41. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
severe overbite
temporalis and masseter
centric occlusion - centric relation - protrusive and lateral movements
traumatic overbite
42. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
centric occlusion - centric relation - protrusive and lateral movements
Curve of Spee
Nonworking side
functional occlusion
43. Horizontal distance of anterior teeth in crossbite
divisions of parafunctional contacts
underjet
bone support
pathologic occlusion
44. Horizontal
class II - div 2
functional occlusion
Overjet is a ___ measurement
intercuspation
45. Vertical overlapping
centric relation
Working side
overbite
premature curve of spee
46. Lateral mvmt results in contacct of all posterior teeth
crestal funneling
group function
osteoclast resorption
canine guidance or protection
47. Functional occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
diastemas
dynamic occlusion
Overbite is a ___ measurement
48. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Curve of Spee
crossbite
Overjet is a ___ measurement
functional occlusion
49. Middle 3rd
premature curve of spee
horizontal overlap
moderate overbite
splinting
50. Normal contacts between max. and mand. teeth; momentary contacts
If the condyles continue to grow - extreme mesial step will turn into ___
Glickman 1963
functional contacts
Protrusion