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Dentistry Occlusion
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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. Crowns tipped lingually - roots tipped laterally
inter-arch
occlusal erosion
Mandibular posterior teeth vertical alignment
pathologic occlusion
2. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
premature occlusal contact
drifted mesial
curve of wilson
divisions of parafunctional contacts
3. Curve spee & wilson - 3-d - not proven
curve of monson
anterior crossbite
Malocclusion
Attrition
4. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
hypercementosis
excessive occlusal force
late curve of spee
Premature contact
5. #7 - 26 - 27
distal step
crossbite
Misalignment of teeth
Underjet
6. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
hypercementosis
Centric(habitual) occlusion
conditions that occur in class II - div 2
Glickman 1963
7. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
overbite
traumatic overbite
class I
8. Primary teeth set ___________________ for permanent
Mandibular posterior teeth vertical alignment
premature curve of spee
If the condyles continue to grow - extreme mesial step will turn into ___
occlusion pattern
9. Lateral mvmt results in contacct of all posterior teeth
late curve of spee
protrusive occlusion
mesial step
group function
10. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class I
Attrition
centric relation
11. During selective grinding - occlusion should be adjusted In what four relationships
Midline deviation
class II - div 2
crestal funneling
centric occlusion - centric relation - protrusive and lateral movements
12. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II
protrusive occlusion
inter-arch
class II - div 2
end to end
13. Normal contacts between max. and mand. teeth; momentary contacts
Condyles of the mandible continue grow ___than the maxilla
Overbite is a ___ measurement
causes of open bite
functional contacts
14. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
Centric relation
centric relation
conditions that occur in class II - div I
Occlusion can be affected by
15. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
decrease over time
normal overbite
conditions that occur in class I malocclusion
Midline deviation
16. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
class III
open bite
temporalis and masseter
premature occlusal contact
17. Posterior; no horizontal overlap
From a frontal view - anterior teeth lean ___
end to end
linguoversion
conditions that occur in class II - div 2
18. Individual teeth from each arch can be involved in ________________ malocclusion
Glickman 1963
end to end
normal curve of spee
inter-arch
19. Maxillary incisors are are lingual to mandibular incisors
late curve of spee
Underjet
Acromegaly
fremitus
20. Relationship of the teeth in opposite arches; static position
bone support
Bilateral crossbite occurs on...
centric occlusion
Overjet
21. Usually indicative of moderate to sever perio and secondary occ trauma
pathologic tooth migration
hypercementosis
edge to edge
posterior crossbite
22. Incisal 3rd
class II malocclusion
openbite
normal overbite
infraversion
23. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Bilateral crossbite occurs on...
divisions of parafunctional contacts
molar relationship
occlusion
24. Maximal intercuspation or contact of the max and mand teeth
Underjet
centric occlusion
overjet
functional occlusion
25. Contact between maxillary incisors does not line up with contact of mandibular incisors
interdigitation
functional contacts
Leeway space
Midline deviation
26. Mesognathic profile
conditions that occur in class I malocclusion
crossbite
class I
Bilateral crossbite occurs on...
27. Class III (mal)occlusion of permanent teeth
Condyles of the mandible continue grow ___than the maxilla
functional contacts
If the condyles continue to grow - extreme mesial step will turn into ___
other names for centric occlusion
28. Retrognathic profile
class II
curve of wilson
left working movement
underjet
29. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Nonworking side
Underjet
excessive occlusal force
occlusal trauma
30. Buck teeth are common and are considered
class II malocclusion
flush terminal plane
class II
Malocclusion
31. Need tooth to tooth contact on both working and non working sides to func effectively
Overbite is a ___ measurement
class II - div 2
Dentures
protrusive occlusion
32. Tooth extracted
Nonworking side
conditions that occur in class III
Glickman 1963
drifted mesial
33. A continuation of the spee of to extend through the condyle
infraversion
physiologic occlusion
intercuspation
An ideal curve of spee would be
34. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
centric occlusion
Centric relation
curve of monson
35. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
Working side
posterior crossbite
Open bite
36. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
centric relation
posterior crossbite
Dentures
Condyles of the mandible continue grow ___than the maxilla
37. Widening of the PDL in areas under pressure results due to
interdigitation
selective grinding or occlusal equilibration
traumatogenic occlusion
osteoclast resorption
38. Horizontal
Overjet is a ___ measurement
malocclusion
occlusal trauma
posterior crossbite
39. Anterior; no horizontal overlap
posterior crossbite
torsoversion
edge to edge
splinting
40. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
openbite
conditions that occur in class I malocclusion
group function
41. Mandibular molars and maxillary molars are even
fremitus
conditions that occur in class II - div I
Bilateral crossbite occurs on...
flush terminal plane
42. Max canine occludes with mand. canine and mand. 1st premolar.
occlusion pattern
Curve of Wilson
canine relationship
functional occlusion
43. Both sides
Overbite is a ___ measurement
underjet
Bilateral crossbite occurs on...
open bite
44. Vertical
moderate overbite
Overbite is a ___ measurement
temporalis and masseter
Centric occlusion is also called
45. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
premature curve of spee
other names for centric occlusion
canine guidance or protection
46. 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
Unilateral crossbite occurs when
distal step
causes of primary occlusal trauma
mesial step
47. Slight buccal inclination of crown - lingual inclination of root
Misalignment of teeth
Maxillary posterior teeth vertical alignment
Glickman 1963
end to end
48. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
Unilateral crossbite occurs when
selective grinding or occlusal equilibration
traumatogenic occlusion
occlusal trauma
49. Relationship of teeth in which the incisal ridges or buccal cusp ridges of the maxillary anterior teeth extend facially to the incisal ridges/cusps of the mandibular teeth when the teeth are in centric occlusion relationship
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Overjet
anterior crossbite
crestal funneling
50. If the mandible moves to the left - the mvmt is known as a left working movement
Mandibular posterior teeth vertical alignment
premature curve of spee
moderate overbite
left working movement
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