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Dentistry Occlusion

Subjects : health-sciences, dentistry

Instructions:

Answer 50 questions in 15 minutes.
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Match each statement with the correct term.
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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. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
From a frontal view - anterior teeth lean ___
class II malocclusion
canine relationship

2. Widening of the PDL in areas under pressure results due to
inter-arch
Leeway space
osteoclast resorption
Unilateral crossbite occurs when

3. Measurement of horizontal overlap w/ probe
malocclusion
How the diastemas are closed up(including primates spaces)
overjet
parafunctional contacts

4. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
Attrition
Maxillary posterior teeth vertical alignment
physiologic occlusion

5. Difference between primary and secondary occ trauma
Overjet is a ___ measurement
Underjet
posterior crossbite
bone support

6. Laterally
From a frontal view - anterior teeth lean ___
Overjet
traumatogenic occlusion
Intercuspation

7. Vertical
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
If the condyles continue to grow - extreme mesial step will turn into ___
Overbite is a ___ measurement
centric occlusion

8. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
tooth mobility
Underjet
canine guidance or protection

9. #10 & #23
Retrusion
Overbite is a ___ measurement
end to end
openbite

10. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
splinting
Centric occlusion is also called
How the diastemas are closed up(including primates spaces)

11. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
class II
class III - classificaiton
Condyles of the mandible continue grow ___than the maxilla
traumatic overbite

12. Above occlusal plane
supraversion
Curve of Spee
Overjet
anterior crossbite

13. Associated with performance; all contacts during function of the oral cavity
class II malocclusion
normal overbite
drifted mesial
functional occlusion

14. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
Overbite is a ___ measurement
mesial step
Dentures
occlusal trauma

15. Mesially - Labially
posterior crossbite
curve of monson
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
infraversion

16. Posterior; no horizontal overlap
physiologic occlusion
Premature contact
causes of open bite
end to end

17. Contact between maxillary incisors does not line up with contact of mandibular incisors
class II malocclusion
Midline deviation
Abfraction
crestal funneling

18. Anterior or posterior; bilateral or unitlateral - anterior more common
class II - div 2
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
Underjet
open bite

19. 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
Intercuspation
Overbit
occlusion
physiologic occlusion

20. Patients show evidence or signs and syptoms of occ disease
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Centric relation
Curve of Wilson
pathologic occlusion

21. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Curve of Spee
Open bite
Attrition
If the condyles continue to grow - extreme mesial step will turn into ___

22. Occlusal guard =
Centric(habitual) occlusion
hawley appliance
premature occlusal contact
Dentures

23. Radiographically - the PDL space is wider at the coronal third of the root
Open bite
crossbite
crestal funneling
dynamic occlusion

24. Anterior; no horizontal overlap
non working or balancing side
Midline deviation
edge to edge
class II - div 1

25. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
normal overbite
How the diastemas are closed up(including primates spaces)
anterior crossbite
centric relation

26. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
centric occlusion
overjet
secondary occlusal trauma

27. Incisal 3rd
normal overbite
Acromegaly
anterior teeth
excessive occlusal force

28. Usually indicative of moderate to sever perio and secondary occ trauma
left working movement
causes of primary occlusal trauma
pathologic tooth migration
physiologic occlusion

29. Maxillary incisors are are lingual to mandibular incisors
normal overbite
Underjet
curve of spee
canine relationship

30. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
class II - div 2
centric occlusion
primary occlusal trauma
conditions that occur in class III

31. Vertical overlapping
primary occlusal trauma
class II - div 1
Centric occlusion is also called
overbite

32. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
causes of open bite
class II malocclusion
Nonworking side
codestructive theory

33. Later
class II
infraversion
crestal funneling
Condyles of the mandible continue grow ___than the maxilla

34. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible
causes of open bite
Unilateral crossbite occurs when
mesial step
Premature contact

35. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
physiologic occlusion
Intercuspation
Abfraction
anterior crossbite

36. Tongue thrusting; thumb sucking - pacifiers
Dentures
horizontal overlap
intercuspation
causes of open bite

37. Below occlusal plane
moderate overbite
infraversion
malocclusion
interdigitation

38. Primary teeth set ___________________ for permanent
traumatogenic occlusion
occlusion pattern
centric relation
divisions of parafunctional contacts

39. 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
moderate overbite
Curve of Wilson
class III - classificaiton
class II - div 1

40. Excessive occ force with adequate bone support =
osteoclast resorption
primary occlusal trauma
normal curve of spee
moderate overbite

41. Tooth extracted
drifted mesial
pathologic tooth migration
Centric occlusion is also called
bone support

42. Cervical 3rd
Dentures
severe overbite
flush terminal plane
horizontal overlap

43. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
Protrusion
centric occlusion
severe overbite

44. Mandible moves to the right or left
curve of monson
Lateral excursion
end to end
Centric relation

45. Maxillary overlap mandibular; whole arch
fremitus
horizontal overlap
tooth mobility
Nonworking side

46. Overlap of anterior teeth
vertical overlap
centric occlusion
curve of spee
protrusive occlusion

47. Teeth are misaligned when biting together
left working movement
Malocclusion
horizontal overlap
conditions that occur in class I malocclusion

48. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
severe overbite
posterior contact
divisions of parafunctional contacts
conditions that occur in class II - div I

49. Maximal intercuspation or contact of the max and mand teeth
Attrition
Condyles of the mandible continue grow ___than the maxilla
flush terminal plane
centric occlusion

50. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
normal overbite
Nonworking side
occlusion

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Dentistry Occlusion

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