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Test your basic knowledge |
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. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
drifted mesial
Leeway space
dynamic occlusion
Dentures
2. Tooth extracted
normal curve of spee
drifted mesial
conditions that occur in class III
Dentures
3. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
parafunctional contacts
causes of primary occlusal trauma
inter-arch
4. Above occlusal plane
Premature contact
hawley appliance
codestructive theory
supraversion
5. When no teeth are contacting on this side
splinting
premature occlusal contact
Premature contact
Nonworking side
6. Mandibular molars more mesial than maxillary molars (most children)
Curve of Wilson
Occlusion can be affected by
mesial step
causes of open bite
7. During a left working movement - the right side is known as the
curve of spee
non working or balancing side
curve of monson
temporalis and masseter
8. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
occlusion pattern
Nonworking side
centric occlusion
9. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
inflammation
primary occlusal trauma
physiologic occlusion
10. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Glickman 1963
occlusion
functional occlusion
parafunctional contacts
11. Maximum touching of max and mand
Curve of Spee
interdigitation
openbite
posterior crossbite
12. Survival of the dentition despite its deviation from a preconceived hypothetical normal
class II
physiologic occlusion
An ideal curve of spee would be
hypercementosis
13. Overlap of anterior teeth
dynamic occlusion
canine guidance or protection
vertical overlap
tooth mobility
14. 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
Overjet
non working or balancing side
Centric relation
group function
15. Maximum interlocking of cusp
intercuspation
Nonworking side
traumatic overbite
curve of spee
16. Prognathic profile
class III
occlusion pattern
protrusive occlusion
primate spaces
17. 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
excessive occlusal force
intercuspation
hypercementosis
Retrusion
18. Later
Centric occlusion is also called
end to end
intercuspation
Condyles of the mandible continue grow ___than the maxilla
19. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
premature curve of spee
leeway spaces
occlusal trauma
traumatic overbite
20. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
codestructive theory
conditions that occur in class II - div I
mesial step
functional occlusion
21. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
curve of monson
Centric(habitual) occlusion
decrease over time
occlusal trauma
22. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
Curve of Wilson
Acromegaly
crossbite
class II division I occlusion
23. 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
Overbite is a ___ measurement
class II - div 2
diastemas
Attrition
24. Occlusal guard =
infraversion
molar relationship
hawley appliance
end to end
25. 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
occlusion pattern
Abfraction
canine guidance or protection
protrusive occlusion
26. Lateral mvmt results in contact btwn the max and mand canines
class III - classificaiton
canine guidance or protection
severe overbite
osteoclast resorption
27. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
physiologic occlusion
overbite
excessive occlusal force
Centric relation
28. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
An ideal curve of spee would be
conditions that occur in class II - div 2
causes of primary occlusal trauma
mesial step
29. Maxillary - Mandibular - Facial
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
bone support
premature occlusal contact
class II - div 1
30. Starts closer to premolars
interdigitation
Centric occlusion is also called
linguoversion
premature curve of spee
31. Below occlusal plane
infraversion
overjet
Curve of Wilson
Centric(habitual) occlusion
32. Vertical overlapping
vertical overlap
underjet
supraversion
overbite
33. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Retrusion
Occlusion can be affected by
class III - classificaiton
functional contacts
34. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
class II malocclusion
anterior crossbite
Curve of Wilson
35. Vertical
Acromegaly
Malocclusion
Overbite is a ___ measurement
An ideal curve of spee would be
36. Guidance for protrusive occ should be on the
Attrition
fremitus
anterior teeth
other names for centric occlusion
37. ____ is not a sign of occl trauma
inflammation
crestal funneling
intercuspation
occlusal erosion
38. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
anterior teeth
Overbite is a ___ measurement
left working movement
traumatogenic occlusion
39. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
parafunctional contacts
posterior contact
class III - classificaiton
40. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Hereditary factors include
molar relationship
end to end
non working or balancing side
41. What is not affected by occ trauma
Retrusion
gingiva
physiologic occlusion
labialversion or buccoversion
42. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
edge to edge
dynamic occlusion
functional occlusion
43. Starts closer to the posterior of the 1st molar
Centric occlusion is also called
late curve of spee
severe overbite
physiologic occlusion
44. Mandible moves to the right or left
functional occlusion
Lateral excursion
Overjet is a ___ measurement
centric occlusion
45. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
premature curve of spee
Overbite is a ___ measurement
Open bite
Centric relation
46. Starts around the mesial of the 1st molar
Premature contact
centric occlusion
class II - div 2
normal curve of spee
47. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
premature occlusal contact
interdigitation
class II division I occlusion
48. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
gingiva
Open bite
Protrusion
occlusion
49. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
posterior crossbite
primate spaces
osteoclast resorption
50. Posterior; no horizontal overlap
end to end
Nonworking side
From a frontal view - anterior teeth lean ___
temporalis and masseter
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