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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. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
selective grinding or occlusal equilibration
splinting
Centric occlusion is also called
inflammation
2. Difference between primary and secondary occ trauma
end to end
curve of wilson
bone support
edge to edge
3. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Malocclusion
conditions that occur in class I malocclusion
malocclusion
Misalignment of teeth
4. #7 - 26 - 27
conditions that occur in class II - div 2
crossbite
Premature contact
hypercementosis
5. Need tooth to tooth contact on both working and non working sides to func effectively
inter-arch
premature curve of spee
Dentures
Lateral excursion
6. The side to which the mandible moves(chewing side)
canine guidance or protection
Working side
Curve of Spee
horizontal overlap
7. Introduced the concept of codestruction
occlusal trauma
posterior crossbite
Maxillary posterior teeth vertical alignment
Glickman 1963
8. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Protrusion
Centric(habitual) occlusion
diastemas
9. Prognathic profile
Occlusion can be affected by
Crossbite
class III
Malocclusion
10. 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
traumatic overbite
Lateral excursion
crestal funneling
Abfraction
11. Mandibular molars more mesial than maxillary molars (most children)
mesial step
protrusive occlusion
open bite
Maxillary posterior teeth vertical alignment
12. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
severe overbite
traumatic overbite
crossbite
13. Rotated or twisted; rotated mesial or distal
torsoversion
Centric occlusion is also called
pathologic tooth migration
Overjet
14. Above occlusal plane
curve of spee
supraversion
normal overbite
class II
15. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
canine guidance or protection
centric relation
occlusion
Condyles of the mandible continue grow ___than the maxilla
16. Teeth are misaligned when biting together
centric relation
conditions that occur in class II - div 2
Malocclusion
physiologic occlusion
17. Vertical overlapping
overbite
overjet
bone support
functional contacts
18. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
mesial step
Protrusion
codestructive theory
premature occlusal contact
19. Curve spee & wilson - 3-d - not proven
canine guidance or protection
pathologic occlusion
curve of monson
distal step
20. Vibrational mvmt of a tooth under occ function
Dentures
traumatogenic occlusion
Working side
fremitus
21. Laterally
distal step
secondary occlusal trauma
underjet
From a frontal view - anterior teeth lean ___
22. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
horizontal overlap
conditions that occur in class III
How the diastemas are closed up(including primates spaces)
occlusal trauma
23. Below occlusal plane
conditions that occur in class II - div I
overjet
infraversion
parafunctional contacts
24. Maxillary incisors are are lingual to mandibular incisors
group function
Underjet
Leeway space
Curve of Wilson
25. Starts around the mesial of the 1st molar
temporalis and masseter
curve of wilson
conditions that occur in class III
normal curve of spee
26. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
physiologic occlusion
mesial step
osteoclast resorption
Centric relation
27. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
centric relation
Curve of Wilson
functional occlusion
curve of spee
28. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
posterior contact
centric relation
class I
29. Max canine occludes with mand. canine and mand. 1st premolar.
normal overbite
class III
canine relationship
group function
30. 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
primary occlusal trauma
pathologic occlusion
supraversion
class II - div 1
31. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
non working or balancing side
Malocclusion
Hereditary factors include
molar relationship
32. Vertical
protrusive occlusion
Overbite is a ___ measurement
conditions that occur in class II - div 2
Midline deviation
33. Tongue thrust or thumb sucking can cause
class II division I occlusion
occlusal erosion
crossbite
Edge to edge bite occurs when
34. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
leeway spaces
occlusal erosion
physiologic occlusion
Bilateral crossbite occurs on...
35. During selective grinding - occlusion should be adjusted In what four relationships
Occlusion can be affected by
inter-arch
centric occlusion - centric relation - protrusive and lateral movements
temporalis and masseter
36. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
pathologic occlusion
Open bite
parafunctional contacts
37. Excessive deposition of cementum around the apex - due to excessive occlusal forces
class I
hypercementosis
physiologic occlusion
Acromegaly
38. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
conditions that occur in class II - div I
posterior contact
mesial step
traumatic overbite
39. Individual teeth from each arch can be involved in ________________ malocclusion
non working or balancing side
left working movement
functional occlusion
inter-arch
40. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
pathologic tooth migration
traumatic overbite
class I
Intercuspation
41. 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
non working or balancing side
severe overbite
Attrition
end to end
42. The permanent molars erupt posterior to the primary teeth and push them all mesially
gingiva
How the diastemas are closed up(including primates spaces)
hawley appliance
centric occlusion
43. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
Crossbite
malocclusion
splinting
44. Spaces between two teeth
occlusion pattern
distal step
intercuspation
diastemas
45. Posterior; no horizontal overlap
canine relationship
end to end
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
underjet
46. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
openbite
underjet
occlusion pattern
class III - classificaiton
47. ____ is not a sign of occl trauma
occlusion
occlusal erosion
class I
From a frontal view - anterior teeth lean ___
48. Starts closer to the posterior of the 1st molar
physiologic occlusion
late curve of spee
Nonworking side
functional occlusion
49. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
class II
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
premature curve of spee
50. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
Underjet
anterior crossbite
Nonworking side
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