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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. Above occlusal plane
inflammation
Curve of Spee
diastemas
supraversion
2. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
Maxillary posterior teeth vertical alignment
Lateral excursion
primary occlusal trauma
3. Spaces between two teeth
diastemas
distal step
occlusion
dynamic occlusion
4. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
secondary occlusal trauma
posterior crossbite
Malocclusion
5. 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
curve of spee
end to end
splinting
distal step
6. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
mesial step
horizontal overlap
Occlusion can be affected by
7. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
conditions that occur in class II - div I
Open bite
diastemas
normal curve of spee
8. Incisal 3rd
Curve of Wilson
functional contacts
physiologic occlusion
normal overbite
9. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
distal step
Curve of Wilson
class II
hypercementosis
10. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
left working movement
Acromegaly
class II - div 2
11. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
torsoversion
Hereditary factors include
labialversion or buccoversion
12. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
centric occlusion
excessive occlusal force
bone support
physiologic occlusion
13. 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
conditions that occur in class I malocclusion
class II - div 2
Overbite is a ___ measurement
moderate overbite
14. Relationship of the arches bone to bone;
Midline deviation
functional contacts
centric relation
How the diastemas are closed up(including primates spaces)
15. Lateral mvmt results in contacct of all posterior teeth
drifted mesial
group function
Lateral excursion
gingiva
16. Associated with performance; all contacts during function of the oral cavity
functional contacts
conditions that occur in class II - div 2
parafunctional contacts
functional occlusion
17. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
distal step
Centric occlusion is also called
premature occlusal contact
Misalignment of teeth
18. Usually indicative of moderate to sever perio and secondary occ trauma
conditions that occur in class II - div I
pathologic tooth migration
excessive occlusal force
physiologic occlusion
19. Buck teeth are common and are considered
Glickman 1963
Misalignment of teeth
hawley appliance
class II malocclusion
20. Rotated or twisted; rotated mesial or distal
torsoversion
traumatogenic occlusion
hypercementosis
bone support
21. Anterior; no horizontal overlap
dynamic occlusion
Abfraction
secondary occlusal trauma
edge to edge
22. Middle 3rd
moderate overbite
fremitus
mesial step
late curve of spee
23. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
If the condyles continue to grow - extreme mesial step will turn into ___
Overjet
bone support
conditions that occur in class III
24. Cusps of maxillary teeth directly over cusps of mandibular teeth
intercuspation
hypercementosis
drifted mesial
Edge to edge bite occurs when
25. Max canine occludes with mand. canine and mand. 1st premolar.
conditions that occur in class II - div I
canine relationship
functional contacts
Centric(habitual) occlusion
26. Guidance for protrusive occ should be on the
Malocclusion
codestructive theory
divisions of parafunctional contacts
anterior teeth
27. Overlap of anterior teeth
Overjet
mesial step
causes of primary occlusal trauma
vertical overlap
28. Tooth positioned more facial
labialversion or buccoversion
Centric relation
Overbite is a ___ measurement
malocclusion
29. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
malocclusion
posterior contact
Lateral excursion
30. Normal contacts between max. and mand. teeth; momentary contacts
inter-arch
functional contacts
flush terminal plane
causes of primary occlusal trauma
31. Vertical
Overbite is a ___ measurement
dynamic occlusion
occlusal trauma
Overjet is a ___ measurement
32. Crowns tipped lingually - roots tipped laterally
canine guidance or protection
Bilateral crossbite occurs on...
Mandibular posterior teeth vertical alignment
overbite
33. #10 & #23
Occlusion can be affected by
openbite
torsoversion
Attrition
34. Laterally
From a frontal view - anterior teeth lean ___
molar relationship
functional contacts
curve of wilson
35. Horizontal
Overjet is a ___ measurement
fremitus
horizontal overlap
conditions that occur in class I malocclusion
36. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of wilson
curve of spee
linguoversion
centric occlusion
37. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship
moderate overbite
Overbit
pathologic occlusion
supraversion
38. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
diastemas
bone support
Centric occlusion is also called
centric relation
39. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
pathologic occlusion
traumatogenic occlusion
Acromegaly
severe overbite
40. After periodontal sugery - mobility will ________
Unilateral crossbite occurs when
infraversion
decrease over time
causes of primary occlusal trauma
41. Curve spee & wilson - 3-d - not proven
occlusion pattern
curve of monson
Working side
conditions that occur in class I malocclusion
42. 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
Abfraction
functional occlusion
group function
Misalignment of teeth
43. Anterior or posterior; bilateral or unitlateral - anterior more common
inflammation
Occlusion can be affected by
Centric occlusion is also called
open bite
44. When no teeth are contacting on this side
Nonworking side
torsoversion
Intercuspation
bone support
45. Widening of the PDL in areas under pressure results due to
occlusal erosion
class I
osteoclast resorption
conditions that occur in class I malocclusion
46. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
horizontal overlap
divisions of parafunctional contacts
flush terminal plane
47. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
selective grinding or occlusal equilibration
conditions that occur in class II - div 2
conditions that occur in class II - div I
curve of wilson
48. Maxillary overlap mandibular; whole arch
bone support
horizontal overlap
decrease over time
class III - classificaiton
49. Mandibular molars more mesial than maxillary molars (most children)
divisions of parafunctional contacts
causes of primary occlusal trauma
parafunctional contacts
mesial step
50. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
Maxillary posterior teeth vertical alignment
selective grinding or occlusal equilibration
centric relation
Mandibular posterior teeth vertical alignment