Test your basic knowledge |

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. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
Abfraction
splinting
occlusal trauma

2. Tongue thrust or thumb sucking can cause
labialversion or buccoversion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
drifted mesial
class II division I occlusion

3. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
class II malocclusion
flush terminal plane
centric occlusion
Intercuspation

4. 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
late curve of spee
Working side
Overjet
group function

5. Lateral mvmt results in contact btwn the max and mand canines
Misalignment of teeth
normal curve of spee
labialversion or buccoversion
canine guidance or protection

6. Usually indicative of moderate to sever perio and secondary occ trauma
centric relation
Nonworking side
pathologic tooth migration
intercuspation

7. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
physiologic occlusion
edge to edge
occlusal erosion

8. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Curve of Wilson
posterior crossbite
Open bite
Centric relation

9. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
curve of monson
Centric occlusion is also called
class III
An ideal curve of spee would be

10. Curve spee & wilson - 3-d - not proven
curve of monson
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
labialversion or buccoversion
Bilateral crossbite occurs on...

11. Middle 3rd
conditions that occur in class II - div 2
Glickman 1963
centric occlusion - centric relation - protrusive and lateral movements
moderate overbite

12. Habitual - acquired - convenience - intercuspal & static
Abfraction
class II - div 1
normal curve of spee
other names for centric occlusion

13. Relationship of the teeth in opposite arches; static position
torsoversion
Overjet is a ___ measurement
class III
centric occlusion

14. Mesially - Labially
Abfraction
other names for centric occlusion
drifted mesial
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

15. During a left working movement - the right side is known as the
non working or balancing side
pathologic tooth migration
class II malocclusion
hypercementosis

16. II (mal)occlusion
How the diastemas are closed up(including primates spaces)
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class III - classificaiton
centric occlusion - centric relation - protrusive and lateral movements

17. Below occlusal plane
Nonworking side
functional occlusion
infraversion
Maxillary posterior teeth vertical alignment

18. Primary teeth set ___________________ for permanent
occlusion pattern
occlusion
Condyles of the mandible continue grow ___than the maxilla
Overjet

19. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
labialversion or buccoversion
osteoclast resorption
crestal funneling
secondary occlusal trauma

20. Mvmt of the mandible in a direction anterior to centric occ
normal curve of spee
molar relationship
protrusive occlusion
intercuspation

21. Incisal 3rd
open bite
Overjet is a ___ measurement
normal overbite
Centric(habitual) occlusion

22. Later
Condyles of the mandible continue grow ___than the maxilla
Centric relation
occlusion
conditions that occur in class II - div I

23. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
splinting
crossbite
Curve of Wilson
codestructive theory

24. Maxillary anterior teeth stick out labially from tongue thrusting
gingiva
centric relation
Protrusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

25. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
severe overbite
Open bite
Edge to edge bite occurs when

26. Functional occlusion
dynamic occlusion
How the diastemas are closed up(including primates spaces)
late curve of spee
conditions that occur in class II - div 2

27. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
class II division I occlusion
Working side
interdigitation
traumatogenic occlusion

28. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
class II
canine relationship
Underjet

29. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
protrusive occlusion
group function
posterior contact

30. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
edge to edge
functional occlusion
anterior crossbite
class II - div 1

31. Mandible moves to the right or left
tooth mobility
leeway spaces
conditions that occur in class II - div I
Lateral excursion

32. Abnormal contacts; occlusal habits - and neuroses
Lateral excursion
conditions that occur in class I malocclusion
parafunctional contacts
inter-arch

33. Starts closer to premolars
centric occlusion - centric relation - protrusive and lateral movements
premature curve of spee
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
osteoclast resorption

34. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
malocclusion
Hereditary factors include
drifted mesial
physiologic occlusion

35. Horizontal distance of anterior teeth in crossbite
underjet
open bite
Misalignment of teeth
Overbite is a ___ measurement

36. Tooth extracted
left working movement
Open bite
drifted mesial
diastemas

37. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Acromegaly
occlusion
occlusal trauma
primary occlusal trauma

38. Mandibular molars more mesial than maxillary molars (most children)
primary occlusal trauma
mesial step
class III
conditions that occur in class III

39. Spaces between two teeth
tooth mobility
diastemas
Midline deviation
centric occlusion - centric relation - protrusive and lateral movements

40. #10 & #23
openbite
Centric(habitual) occlusion
Intercuspation
Overjet

41. Associated with performance; all contacts during function of the oral cavity
class II malocclusion
functional occlusion
Premature contact
Intercuspation

42. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
Hereditary factors include
Bilateral crossbite occurs on...
anterior teeth

43. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
From a frontal view - anterior teeth lean ___
parafunctional contacts
functional occlusion
leeway spaces

44. Mandibular molars and maxillary molars are even
flush terminal plane
interdigitation
Attrition
causes of primary occlusal trauma

45. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
decrease over time
end to end
Overbit

46. 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
centric occlusion
Hereditary factors include
Edge to edge bite occurs when
splinting

47. Tongue thrusting; thumb sucking - pacifiers
causes of open bite
occlusal trauma
splinting
Condyles of the mandible continue grow ___than the maxilla

48. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
drifted mesial
Occlusion can be affected by
Overbit
causes of primary occlusal trauma

49. Teeth are misaligned when biting together
class I
occlusion
horizontal overlap
Malocclusion

50. Tooth positioned more facial
How the diastemas are closed up(including primates spaces)
labialversion or buccoversion
Malocclusion
severe overbite