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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. Mandible moves to the right or left
conditions that occur in class II - div I
If the condyles continue to grow - extreme mesial step will turn into ___
Lateral excursion
end to end

2. Abnormal contacts; occlusal habits - and neuroses
codestructive theory
end to end
crestal funneling
parafunctional contacts

3. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
canine guidance or protection
left working movement
end to end

4. Buck teeth are common and are considered
class II malocclusion
linguoversion
pathologic tooth migration
Centric(habitual) occlusion

5. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
intercuspation
causes of open bite
conditions that occur in class II - div I
torsoversion

6. 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
infraversion
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
splinting
Working side

7. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
Glickman 1963
physiologic occlusion
curve of wilson
torsoversion

8. Starts around the mesial of the 1st molar
pathologic tooth migration
normal curve of spee
flush terminal plane
secondary occlusal trauma

9. Relationship of teeth in which the incisal ridges or buccal cusp ridges of the maxillary anterior teeth extend facially to the incisal ridges/cusps of the mandibular teeth when the teeth are in centric occlusion relationship
divisions of parafunctional contacts
Overjet
Nonworking side
posterior contact

10. Crowns tipped lingually - roots tipped laterally
bone support
horizontal overlap
Mandibular posterior teeth vertical alignment
Curve of Spee

11. Curve spee & wilson - 3-d - not proven
osteoclast resorption
curve of monson
Centric relation
occlusal erosion

12. Mesially - Labially
normal overbite
distal step
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class I

13. Associated with performance; all contacts during function of the oral cavity
Overbit
Mandibular posterior teeth vertical alignment
open bite
functional occlusion

14. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
leeway spaces
inter-arch
normal overbite
Abfraction

15. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion
excessive occlusal force
centric occlusion - centric relation - protrusive and lateral movements
traumatic overbite

16. Vertical
Nonworking side
Overbite is a ___ measurement
curve of monson
openbite

17. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
Curve of Wilson
curve of wilson
centric relation

18. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Misalignment of teeth
physiologic occlusion
class III
edge to edge

19. Anterior; no horizontal overlap
bone support
class III
edge to edge
protrusive occlusion

20. Vertical overlapping
overbite
An ideal curve of spee would be
Occlusion can be affected by
If the condyles continue to grow - extreme mesial step will turn into ___

21. Horizontal
Condyles of the mandible continue grow ___than the maxilla
Overjet is a ___ measurement
hawley appliance
open bite

22. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
premature curve of spee
Hereditary factors include
canine relationship
Curve of Spee

23. Relationship of the arches bone to bone;
centric relation
Centric(habitual) occlusion
Maxillary posterior teeth vertical alignment
dynamic occlusion

24. II (mal)occlusion
posterior contact
severe overbite
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
drifted mesial

25. 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
class II - div 2
occlusion pattern
Centric(habitual) occlusion
Attrition

26. Tooth extracted
posterior crossbite
drifted mesial
physiologic occlusion
Misalignment of teeth

27. Muscles that work the jaw; may become sore due to occ trauma
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
bone support
temporalis and masseter
curve of monson

28. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
functional contacts
class II malocclusion
underjet

29. Excessive occ force with adequate bone support =
primary occlusal trauma
anterior crossbite
Nonworking side
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

30. Primary teeth set ___________________ for permanent
secondary occlusal trauma
occlusion pattern
Nonworking side
class II - div 1

31. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
occlusal trauma
Occlusion can be affected by
overjet
Glickman 1963

32. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
Lateral excursion
non working or balancing side
canine relationship

33. Mb cusp of max 1st molar-buccal groove of mand 1st molar
selective grinding or occlusal equilibration
class II - div 2
functional occlusion
molar relationship

34. When no teeth are contacting on this side
torsoversion
Nonworking side
functional occlusion
parafunctional contacts

35. The side to which the mandible moves(chewing side)
Curve of Wilson
interdigitation
Working side
occlusal trauma

36. The permanent molars erupt posterior to the primary teeth and push them all mesially
class II malocclusion
posterior contact
How the diastemas are closed up(including primates spaces)
physiologic occlusion

37. After periodontal sugery - mobility will ________
causes of open bite
Unilateral crossbite occurs when
decrease over time
flush terminal plane

38. 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
curve of wilson
class II - div 1
Attrition
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs

39. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
occlusal trauma
functional occlusion
codestructive theory

40. Radiographically - the PDL space is wider at the coronal third of the root
Hereditary factors include
Leeway space
crestal funneling
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

41. Individual teeth from each arch can be involved in ________________ malocclusion
centric relation
infraversion
inter-arch
Curve of Spee

42. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
class III - classificaiton
Nonworking side
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

43. If the mandible moves to the left - the mvmt is known as a left working movement
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
left working movement
Hereditary factors include
non working or balancing side

44. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
secondary occlusal trauma
class II malocclusion
tooth mobility
physiologic occlusion

45. Starts closer to premolars
centric occlusion
Acromegaly
class III - classificaiton
premature curve of spee

46. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Occlusion can be affected by
Open bite
class II division I occlusion
overbite

47. Curve of the occlusal plane; from anterior to posterior - increases with age
centric relation
curve of spee
functional occlusion
Premature contact

48. 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
Mandibular posterior teeth vertical alignment
Bilateral crossbite occurs on...
tooth mobility
class II - div 1

49. Lateral mvmt results in contacct of all posterior teeth
premature occlusal contact
occlusal trauma
group function
bone support

50. Difference between primary and secondary occ trauma
normal overbite
pathologic occlusion
Midline deviation
bone support