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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. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
curve of wilson
How the diastemas are closed up(including primates spaces)
interdigitation
2. Guidance for protrusive occ should be on the
anterior teeth
Retrusion
Acromegaly
How the diastemas are closed up(including primates spaces)
3. Starts closer to the posterior of the 1st molar
late curve of spee
functional occlusion
functional contacts
crossbite
4. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
pathologic occlusion
inter-arch
diastemas
5. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
An ideal curve of spee would be
centric occlusion
drifted mesial
posterior crossbite
6. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
Curve of Spee
group function
anterior crossbite
premature occlusal contact
7. Teeth are misaligned when biting together
Malocclusion
osteoclast resorption
class III
temporalis and masseter
8. Maxillary - Mandibular - Facial
An ideal curve of spee would be
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
Curve of Wilson
occlusion
9. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
leeway spaces
traumatic overbite
overbite
other names for centric occlusion
10. Horizontal
traumatic overbite
From a frontal view - anterior teeth lean ___
Overjet is a ___ measurement
causes of open bite
11. Relationship of the arches bone to bone;
tooth mobility
late curve of spee
conditions that occur in class III
centric relation
12. Patients show evidence or signs and syptoms of occ disease
Glickman 1963
overjet
pathologic occlusion
conditions that occur in class III
13. Maximum interlocking of cusp
edge to edge
intercuspation
other names for centric occlusion
overbite
14. Associated with performance; all contacts during function of the oral cavity
centric relation
Maxillary posterior teeth vertical alignment
functional occlusion
inflammation
15. Functional occlusion
primary occlusal trauma
pathologic occlusion
curve of monson
dynamic occlusion
16. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
fremitus
splinting
curve of monson
Acromegaly
17. 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
splinting
crestal funneling
normal overbite
18. Cusps of maxillary teeth directly over cusps of mandibular teeth
Acromegaly
conditions that occur in class III
Hereditary factors include
Edge to edge bite occurs when
19. Curve of the occlusal plane; from anterior to posterior - increases with age
occlusal erosion
premature curve of spee
decrease over time
curve of spee
20. Vertical
functional contacts
osteoclast resorption
Centric(habitual) occlusion
Overbite is a ___ measurement
21. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
centric occlusion - centric relation - protrusive and lateral movements
functional occlusion
Centric relation
decrease over time
22. 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
osteoclast resorption
class II - div 1
temporalis and masseter
parafunctional contacts
23. 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
Protrusion
Misalignment of teeth
Retrusion
pathologic tooth migration
24. Mb cusp of max 1st molar-buccal groove of mand 1st molar
intercuspation
molar relationship
divisions of parafunctional contacts
occlusal erosion
25. Tooth positioned more facial
Retrusion
If the condyles continue to grow - extreme mesial step will turn into ___
underjet
labialversion or buccoversion
26. Horizontal distance of anterior teeth in crossbite
underjet
class I
Occlusion can be affected by
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
27. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
Curve of Spee
functional contacts
excessive occlusal force
28. 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
osteoclast resorption
Overbite is a ___ measurement
Abfraction
Nonworking side
29. Mandibular molars and maxillary molars are even
hypercementosis
flush terminal plane
splinting
moderate overbite
30. Widening of the PDL in areas under pressure results due to
conditions that occur in class II - div 2
Centric relation
diastemas
osteoclast resorption
31. 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
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class II - div 2
canine guidance or protection
edge to edge
32. Below occlusal plane
occlusal trauma
infraversion
Occlusion can be affected by
end to end
33. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
linguoversion
tooth mobility
Dentures
divisions of parafunctional contacts
34. Tongue thrust or thumb sucking can cause
class III - classificaiton
crossbite
class II division I occlusion
Leeway space
35. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
severe overbite
curve of spee
curve of wilson
36. ____ is not a sign of occl trauma
occlusal erosion
Overbite is a ___ measurement
How the diastemas are closed up(including primates spaces)
late curve of spee
37. #7 - 26 - 27
pathologic tooth migration
left working movement
functional occlusion
crossbite
38. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
distal step
Edge to edge bite occurs when
normal overbite
39. Primary teeth set ___________________ for permanent
overjet
occlusion pattern
Centric(habitual) occlusion
Misalignment of teeth
40. Overlap of anterior teeth
Curve of Wilson
vertical overlap
Overjet is a ___ measurement
excessive occlusal force
41. Anterior or posterior; bilateral or unitlateral - anterior more common
Attrition
open bite
class II
premature curve of spee
42. Tooth extracted
curve of wilson
flush terminal plane
drifted mesial
class II
43. Incisal 3rd
normal overbite
causes of primary occlusal trauma
intercuspation
centric occlusion
44. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
mesial step
Leeway space
From a frontal view - anterior teeth lean ___
45. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
other names for centric occlusion
Centric occlusion is also called
Curve of Wilson
normal overbite
46. Spaces between two teeth
diastemas
anterior crossbite
centric relation
Malocclusion
47. Mandibular molars more distal than maxillary molars
distal step
class III
open bite
normal curve of spee
48. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
premature occlusal contact
curve of wilson
Premature contact
occlusal erosion
49. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
other names for centric occlusion
tooth mobility
premature curve of spee
primate spaces
50. The permanent molars erupt posterior to the primary teeth and push them all mesially
temporalis and masseter
How the diastemas are closed up(including primates spaces)
canine guidance or protection
Occlusion can be affected by