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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. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
splinting
From a frontal view - anterior teeth lean ___
Unilateral crossbite occurs when
2. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
causes of primary occlusal trauma
physiologic occlusion
dynamic occlusion
3. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
Curve of Wilson
An ideal curve of spee would be
centric relation
splinting
4. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
codestructive theory
leeway spaces
class III - classificaiton
tooth mobility
5. Primary teeth set ___________________ for permanent
occlusion pattern
temporalis and masseter
Dentures
vertical overlap
6. Mb cusp of max 1st molar-buccal groove of mand 1st molar
causes of open bite
Mandibular posterior teeth vertical alignment
molar relationship
Curve of Wilson
7. Below occlusal plane
Nonworking side
functional occlusion
left working movement
infraversion
8. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
inter-arch
centric relation
anterior crossbite
openbite
9. Measurement of horizontal overlap w/ probe
Dentures
class II
overjet
Hereditary factors include
10. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
anterior crossbite
gingiva
normal overbite
occlusion
11. Mandibular molars more mesial than maxillary molars (most children)
curve of wilson
Curve of Spee
mesial step
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
12. Overlap of anterior teeth
If the condyles continue to grow - extreme mesial step will turn into ___
molar relationship
left working movement
vertical overlap
13. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
malocclusion
primate spaces
centric relation
class II - div 2
14. The way you normally bite your teeth together when not chewing
primary occlusal trauma
Overbite is a ___ measurement
Centric(habitual) occlusion
An ideal curve of spee would be
15. Starts closer to premolars
Abfraction
Crossbite
Nonworking side
premature curve of spee
16. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Curve of Spee
occlusal erosion
class II division I occlusion
Premature contact
17. Mandibular molars more distal than maxillary molars
centric relation
underjet
distal step
infraversion
18. #10 & #23
centric relation
class II
Glickman 1963
openbite
19. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
class II malocclusion
causes of primary occlusal trauma
Acromegaly
group function
20. Difference between primary and secondary occ trauma
canine guidance or protection
bone support
Centric relation
occlusal trauma
21. Crowns tipped lingually - roots tipped laterally
normal curve of spee
vertical overlap
Maxillary posterior teeth vertical alignment
Mandibular posterior teeth vertical alignment
22. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
conditions that occur in class I malocclusion
malocclusion
Glickman 1963
Centric occlusion is also called
23. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
centric occlusion - centric relation - protrusive and lateral movements
class II - div 2
protrusive occlusion
24. Muscles that work the jaw; may become sore due to occ trauma
Crossbite
centric relation
temporalis and masseter
underjet
25. 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
Acromegaly
splinting
class III
underjet
26. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
malocclusion
Bilateral crossbite occurs on...
gingiva
posterior crossbite
27. 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
conditions that occur in class II - div 2
molar relationship
flush terminal plane
class II - div 1
28. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
pathologic tooth migration
distal step
conditions that occur in class III
Hereditary factors include
29. During selective grinding - occlusion should be adjusted In what four relationships
Protrusion
bone support
centric occlusion - centric relation - protrusive and lateral movements
traumatogenic occlusion
30. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
class III
selective grinding or occlusal equilibration
class II
gingiva
31. Maxillary incisors are are lingual to mandibular incisors
How the diastemas are closed up(including primates spaces)
Underjet
infraversion
class II - div 2
32. During protrusive occ - ______ is considered undesirable
posterior contact
How the diastemas are closed up(including primates spaces)
An ideal curve of spee would be
intercuspation
33. Mandible moves to the right or left
Attrition
selective grinding or occlusal equilibration
centric occlusion
Lateral excursion
34. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
occlusion pattern
traumatic overbite
decrease over time
hawley appliance
35. Maxillary overlap mandibular; whole arch
occlusal trauma
tooth mobility
horizontal overlap
Glickman 1963
36. Starts around the mesial of the 1st molar
conditions that occur in class II - div 2
end to end
normal curve of spee
premature curve of spee
37. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Maxillary posterior teeth vertical alignment
functional occlusion
left working movement
If the condyles continue to grow - extreme mesial step will turn into ___
38. Horizontal
Lateral excursion
end to end
distal step
Overjet is a ___ measurement
39. Laterally
secondary occlusal trauma
From a frontal view - anterior teeth lean ___
crossbite
occlusion pattern
40. Mandibular molars and maxillary molars are even
flush terminal plane
canine relationship
Leeway space
centric occlusion - centric relation - protrusive and lateral movements
41. Max canine occludes with mand. canine and mand. 1st premolar.
canine guidance or protection
canine relationship
secondary occlusal trauma
osteoclast resorption
42. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal trauma
end to end
physiologic occlusion
anterior teeth
43. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
openbite
secondary occlusal trauma
premature curve of spee
supraversion
44. 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
leeway spaces
moderate overbite
Overbit
left working movement
45. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
group function
Acromegaly
canine relationship
gingiva
46. Rotated or twisted; rotated mesial or distal
causes of primary occlusal trauma
Lateral excursion
Crossbite
torsoversion
47. Vibrational mvmt of a tooth under occ function
An ideal curve of spee would be
canine guidance or protection
centric relation
fremitus
48. Introduced the concept of codestruction
openbite
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
causes of open bite
Glickman 1963
49. Tooth positioned more facial
Glickman 1963
labialversion or buccoversion
Mandibular posterior teeth vertical alignment
Centric(habitual) occlusion
50. 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
curve of wilson
non working or balancing side
underjet
class III - classificaiton