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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. #10 & #23
overbite
labialversion or buccoversion
curve of monson
openbite
2. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
excessive occlusal force
Dentures
flush terminal plane
selective grinding or occlusal equilibration
3. Primary teeth set ___________________ for permanent
Centric(habitual) occlusion
occlusion pattern
splinting
canine guidance or protection
4. Starts closer to the posterior of the 1st molar
fremitus
Condyles of the mandible continue grow ___than the maxilla
class III
late curve of spee
5. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
anterior crossbite
Acromegaly
An ideal curve of spee would be
divisions of parafunctional contacts
6. Mesognathic profile
overjet
class I
molar relationship
Misalignment of teeth
7. Usually indicative of moderate to sever perio and secondary occ trauma
Hereditary factors include
centric occlusion
left working movement
pathologic tooth migration
8. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
severe overbite
mesial step
Curve of Wilson
9. Tooth extracted
Overbite is a ___ measurement
conditions that occur in class II - div 2
drifted mesial
premature curve of spee
10. Class III (mal)occlusion of permanent teeth
Maxillary posterior teeth vertical alignment
functional contacts
Open bite
If the condyles continue to grow - extreme mesial step will turn into ___
11. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
normal overbite
group function
Leeway space
Midline deviation
12. What is not affected by occ trauma
gingiva
anterior teeth
tooth mobility
traumatogenic occlusion
13. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Intercuspation
excessive occlusal force
torsoversion
underjet
14. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
late curve of spee
class III
occlusion
centric occlusion
15. Retrognathic profile
occlusion pattern
class II
left working movement
end to end
16. After periodontal sugery - mobility will ________
normal overbite
Bilateral crossbite occurs on...
Overbite is a ___ measurement
decrease over time
17. 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
decrease over time
bone support
Crossbite
18. Anterior; no horizontal overlap
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
edge to edge
Overjet
class III - classificaiton
19. Introduced the concept of codestruction
hawley appliance
Glickman 1963
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Edge to edge bite occurs when
20. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
Curve of Spee
open bite
splinting
anterior crossbite
21. Relationship of the teeth in opposite arches; static position
horizontal overlap
centric occlusion
Occlusion can be affected by
infraversion
22. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
group function
moderate overbite
Midline deviation
23. Radiographically - the PDL space is wider at the coronal third of the root
Misalignment of teeth
crestal funneling
bone support
malocclusion
24. Rotated or twisted; rotated mesial or distal
group function
linguoversion
torsoversion
bone support
25. Lateral mvmt results in contact btwn the max and mand canines
occlusal trauma
Edge to edge bite occurs when
torsoversion
canine guidance or protection
26. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
malocclusion
molar relationship
tooth mobility
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
27. 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
underjet
class III
Attrition
centric relation
28. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Overjet
normal curve of spee
torsoversion
posterior crossbite
29. Buck teeth are common and are considered
class II malocclusion
Protrusion
physiologic occlusion
curve of spee
30. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
canine guidance or protection
Hereditary factors include
Occlusion can be affected by
Leeway space
31. Individual teeth from each arch can be involved in ________________ malocclusion
torsoversion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
vertical overlap
inter-arch
32. Mandibular molars more mesial than maxillary molars (most children)
temporalis and masseter
open bite
Nonworking side
mesial step
33. 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
causes of open bite
Curve of Spee
labialversion or buccoversion
34. Posterior; no horizontal overlap
Hereditary factors include
centric relation
end to end
Acromegaly
35. Tongue thrust or thumb sucking can cause
moderate overbite
class II division I occlusion
An ideal curve of spee would be
edge to edge
36. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Mandibular posterior teeth vertical alignment
occlusal trauma
curve of wilson
left working movement
37. Max canine occludes with mand. canine and mand. 1st premolar.
Overjet is a ___ measurement
canine relationship
occlusal erosion
drifted mesial
38. Both sides
Glickman 1963
Bilateral crossbite occurs on...
Underjet
underjet
39. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Leeway space
class II - div 1
crestal funneling
leeway spaces
40. Spaces between two teeth
selective grinding or occlusal equilibration
secondary occlusal trauma
diastemas
traumatogenic occlusion
41. The permanent molars erupt posterior to the primary teeth and push them all mesially
Retrusion
Overjet
hawley appliance
How the diastemas are closed up(including primates spaces)
42. Crowns tipped lingually - roots tipped laterally
labialversion or buccoversion
crossbite
Mandibular posterior teeth vertical alignment
canine guidance or protection
43. Mandibular molars and maxillary molars are even
flush terminal plane
functional occlusion
torsoversion
Underjet
44. Tongue thrusting; thumb sucking - pacifiers
canine relationship
other names for centric occlusion
Working side
causes of open bite
45. Prognathic profile
anterior crossbite
class III
Misalignment of teeth
flush terminal plane
46. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
premature occlusal contact
dynamic occlusion
causes of primary occlusal trauma
Condyles of the mandible continue grow ___than the maxilla
47. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
Acromegaly
hawley appliance
centric relation
occlusal erosion
48. Associated with performance; all contacts during function of the oral cavity
functional occlusion
end to end
centric relation
Intercuspation
49. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
Leeway space
traumatogenic occlusion
malocclusion
Curve of Wilson
50. Excessive occ force with adequate bone support =
conditions that occur in class II - div I
overjet
primary occlusal trauma
flush terminal plane