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Dentistry Occlusion
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Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. Slight buccal inclination of crown - lingual inclination of root
non working or balancing side
Attrition
Maxillary posterior teeth vertical alignment
centric occlusion - centric relation - protrusive and lateral movements
2. Patients show evidence or signs and syptoms of occ disease
Dentures
pathologic occlusion
vertical overlap
inflammation
3. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Curve of Spee
occlusal trauma
gingiva
conditions that occur in class I malocclusion
4. Cusps of maxillary teeth directly over cusps of mandibular teeth
Nonworking side
hypercementosis
Edge to edge bite occurs when
normal curve of spee
5. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
functional occlusion
tooth mobility
anterior teeth
Protrusion
6. Middle 3rd
temporalis and masseter
functional occlusion
left working movement
moderate overbite
7. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
causes of primary occlusal trauma
secondary occlusal trauma
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
8. Mesognathic profile
class I
physiologic occlusion
occlusion pattern
Dentures
9. Usually indicative of moderate to sever perio and secondary occ trauma
Protrusion
Premature contact
pathologic tooth migration
parafunctional contacts
10. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Maxillary posterior teeth vertical alignment
Centric occlusion is also called
secondary occlusal trauma
Occlusion can be affected by
11. During selective grinding - occlusion should be adjusted In what four relationships
Nonworking side
fremitus
centric occlusion - centric relation - protrusive and lateral movements
posterior contact
12. After periodontal sugery - mobility will ________
labialversion or buccoversion
decrease over time
curve of spee
Occlusion can be affected by
13. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
Dentures
secondary occlusal trauma
functional contacts
torsoversion
14. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
posterior contact
other names for centric occlusion
non working or balancing side
15. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
molar relationship
excessive occlusal force
Dentures
Overbite is a ___ measurement
16. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
occlusion pattern
Acromegaly
The cusps of the ___ teeth overlap the cusps of the ____ teeth so that the buccal cusps of the maxillary teeth are ___ to the buccal cusps of the mandibular teeth
17. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
primary occlusal trauma
posterior contact
parafunctional contacts
Leeway space
18. Crowns tipped lingually - roots tipped laterally
Misalignment of teeth
group function
openbite
Mandibular posterior teeth vertical alignment
19. Vertical overlapping
group function
overbite
Maxillary posterior teeth vertical alignment
primate spaces
20. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
Overbit
class II - div 2
Leeway space
21. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
normal overbite
codestructive theory
Dentures
Abfraction
22. Both sides
Premature contact
posterior contact
occlusion pattern
Bilateral crossbite occurs on...
23. When no teeth are contacting on this side
Hereditary factors include
Nonworking side
How the diastemas are closed up(including primates spaces)
moderate overbite
24. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
late curve of spee
splinting
temporalis and masseter
25. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
anterior crossbite
other names for centric occlusion
Curve of Wilson
divisions of parafunctional contacts
26. Retrognathic profile
conditions that occur in class III
Midline deviation
class II
functional occlusion
27. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
class III
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Open bite
28. Need tooth to tooth contact on both working and non working sides to func effectively
temporalis and masseter
Dentures
canine relationship
Protrusion
29. Relationship of the teeth in opposite arches; static position
centric occlusion
late curve of spee
torsoversion
overjet
30. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
intercuspation
occlusal trauma
class III - classificaiton
overbite
31. Excessive occ force with adequate bone support =
inflammation
Centric relation
primary occlusal trauma
Overbite is a ___ measurement
32. Widening of the PDL in areas under pressure results due to
underjet
Occlusion can be affected by
posterior crossbite
osteoclast resorption
33. What is not affected by occ trauma
traumatic overbite
splinting
Acromegaly
gingiva
34. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
traumatogenic occlusion
curve of spee
Acromegaly
35. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
crestal funneling
splinting
causes of open bite
36. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious
Overbit
Abfraction
interdigitation
Maxillary posterior teeth vertical alignment
37. Tooth positioned more facial
crossbite
labialversion or buccoversion
Crossbite
class III
38. Starts closer to premolars
premature curve of spee
Centric(habitual) occlusion
crossbite
crestal funneling
39. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Overjet
functional contacts
Intercuspation
occlusal trauma
40. During protrusive occ - ______ is considered undesirable
Retrusion
Abfraction
posterior contact
centric relation
41. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
molar relationship
leeway spaces
primate spaces
Edge to edge bite occurs when
42. Maximum interlocking of cusp
intercuspation
curve of wilson
Premature contact
Centric occlusion is also called
43. Maxillary anterior teeth stick out labially from tongue thrusting
vertical overlap
Protrusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
interdigitation
44. Introduced the concept of codestruction
overbite
Dentures
Glickman 1963
pathologic tooth migration
45. Selective grinding should always be completed after ______ has been controlled
Midline deviation
The cusps of the ___ teeth overlap the cusps of the ____ teeth so that the buccal cusps of the maxillary teeth are ___ to the buccal cusps of the mandibular teeth
inflammation
Glickman 1963
46. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced
underjet
splinting
Glickman 1963
protrusive occlusion
47. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
functional contacts
labialversion or buccoversion
occlusion
physiologic occlusion
48. Functional occlusion
dynamic occlusion
functional occlusion
From a frontal view - anterior teeth lean ___
The cusps of the ___ teeth overlap the cusps of the ____ teeth so that the buccal cusps of the maxillary teeth are ___ to the buccal cusps of the mandibular teeth
49. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
primate spaces
physiologic occlusion
centric occlusion - centric relation - protrusive and lateral movements
premature occlusal contact
50. ____ is not a sign of occl trauma
class II malocclusion
anterior teeth
torsoversion
occlusal erosion
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