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Dentistry Occlusion

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. Maxillary - Mandibular - Facial
parafunctional contacts
class I
inter-arch
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

2. 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
Attrition
class II division I occlusion
distal step
physiologic occlusion

3. Starts closer to premolars
Misalignment of teeth
Occlusion can be affected by
premature curve of spee
selective grinding or occlusal equilibration

4. Mandible moves to the right or left
leeway spaces
occlusal erosion
class III - classificaiton
Lateral excursion

5. Cervical 3rd
normal overbite
Misalignment of teeth
Curve of Spee
severe overbite

6. Middle 3rd
curve of monson
class III - classificaiton
class II - div 1
moderate overbite

7. Curve spee & wilson - 3-d - not proven
anterior teeth
underjet
openbite
curve of monson

8. Mb cusp of max 1st molar-buccal groove of mand 1st molar
class II malocclusion
molar relationship
gingiva
class III

9. Rotated or twisted; rotated mesial or distal
canine guidance or protection
primate spaces
Malocclusion
torsoversion

10. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
Abfraction
normal curve of spee
hypercementosis

11. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
occlusion pattern
conditions that occur in class II - div 2
occlusal trauma
selective grinding or occlusal equilibration

12. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
centric relation
pathologic occlusion
centric relation
conditions that occur in class III

13. Tongue thrusting; thumb sucking - pacifiers
Mandibular posterior teeth vertical alignment
posterior contact
causes of open bite
centric relation

14. Anterior or posterior; bilateral or unitlateral - anterior more common
moderate overbite
inter-arch
crossbite
open bite

15. Need tooth to tooth contact on both working and non working sides to func effectively
occlusal trauma
labialversion or buccoversion
Dentures
pathologic tooth migration

16. Later
Mandibular posterior teeth vertical alignment
Condyles of the mandible continue grow ___than the maxilla
Lateral excursion
canine guidance or protection

17. 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
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
class II - div 2
mesial step
Working side

18. Tooth extracted
Maxillary posterior teeth vertical alignment
infraversion
drifted mesial
Overjet

19. Vertical
Overbite is a ___ measurement
molar relationship
Leeway space
curve of spee

20. 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
leeway spaces
dynamic occlusion
causes of primary occlusal trauma
class III - classificaiton

21. Slight buccal inclination of crown - lingual inclination of root
Maxillary posterior teeth vertical alignment
anterior teeth
Malocclusion
occlusal erosion

22. Associated with performance; all contacts during function of the oral cavity
Maxillary posterior teeth vertical alignment
Premature contact
functional contacts
functional occlusion

23. Prognathic profile
occlusal trauma
overjet
Curve of Spee
class III

24. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
other names for centric occlusion
bone support
Unilateral crossbite occurs when
traumatogenic occlusion

25. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
interdigitation
class III - classificaiton
Curve of Wilson
traumatic overbite

26. Tooth positioned more facial
labialversion or buccoversion
edge to edge
dynamic occlusion
class II division I occlusion

27. Horizontal distance of anterior teeth in crossbite
centric relation
underjet
Leeway space
occlusion pattern

28. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
Bilateral crossbite occurs on...
Working side
traumatic overbite

29. 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
class II - div 1
traumatic overbite
class II division I occlusion

30. Excessive deposition of cementum around the apex - due to excessive occlusal forces
Dentures
hypercementosis
divisions of parafunctional contacts
Attrition

31. Excessive occ force with adequate bone support =
primary occlusal trauma
supraversion
fremitus
Overbit

32. Radiographically - the PDL space is wider at the coronal third of the root
An ideal curve of spee would be
Protrusion
crossbite
crestal funneling

33. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
How the diastemas are closed up(including primates spaces)
occlusion
causes of open bite
linguoversion

34. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
curve of spee
interdigitation
intercuspation

35. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
end to end
Acromegaly
Overjet is a ___ measurement
Glickman 1963

36. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
torsoversion
excessive occlusal force
Curve of Spee
supraversion

37. 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
temporalis and masseter
decrease over time
Abfraction
centric occlusion

38. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
Occlusion can be affected by
primate spaces
class II division I occlusion
centric occlusion

39. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Underjet
secondary occlusal trauma
malocclusion
molar relationship

40. Above occlusal plane
selective grinding or occlusal equilibration
supraversion
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
temporalis and masseter

41. Habitual - acquired - convenience - intercuspal & static
class III - classificaiton
conditions that occur in class III
other names for centric occlusion
class III

42. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
Curve of Wilson
overjet
traumatic overbite
end to end

43. During a left working movement - the right side is known as the
non working or balancing side
Curve of Wilson
class I
posterior contact

44. Anterior; no horizontal overlap
class II - div 2
supraversion
torsoversion
edge to edge

45. Lateral mvmt results in contact btwn the max and mand canines
osteoclast resorption
late curve of spee
curve of wilson
canine guidance or protection

46. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
Centric(habitual) occlusion
Overbite is a ___ measurement
Open bite

47. During protrusive occ - ______ is considered undesirable
infraversion
posterior contact
primary occlusal trauma
parafunctional contacts

48. During selective grinding - occlusion should be adjusted In what four relationships
conditions that occur in class III
traumatic overbite
From a frontal view - anterior teeth lean ___
centric occlusion - centric relation - protrusive and lateral movements

49. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class III - classificaiton
splinting
divisions of parafunctional contacts

50. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal erosion
excessive occlusal force
occlusal trauma
anterior crossbite