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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. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
class II malocclusion
Underjet
supraversion

2. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
bone support
traumatic overbite
Occlusion can be affected by
Premature contact

3. Relationship of the teeth in opposite arches; static position
Glickman 1963
centric occlusion
fremitus
Protrusion

4. Maximum interlocking of cusp
edge to edge
intercuspation
Condyles of the mandible continue grow ___than the maxilla
occlusion pattern

5. Slight buccal inclination of crown - lingual inclination of root
drifted mesial
underjet
Crossbite
Maxillary posterior teeth vertical alignment

6. Guidance for protrusive occ should be on the
anterior teeth
Centric occlusion is also called
secondary occlusal trauma
Malocclusion

7. Mandibular molars more mesial than maxillary molars (most children)
molar relationship
Centric relation
mesial step
Underjet

8. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Open bite
primate spaces
occlusal trauma
dynamic occlusion

9. Contact between maxillary incisors does not line up with contact of mandibular incisors
flush terminal plane
Midline deviation
If the condyles continue to grow - extreme mesial step will turn into ___
diastemas

10. Middle 3rd
temporalis and masseter
mesial step
moderate overbite
infraversion

11. Tongue thrusting; thumb sucking - pacifiers
causes of open bite
Acromegaly
Intercuspation
left working movement

12. Most common cause is when the maxilla does not grow in proportion to the mandible
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
protrusive occlusion
Crossbite
crestal funneling

13. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Open bite
primate spaces
posterior crossbite
physiologic occlusion

14. Maximum touching of max and mand
premature occlusal contact
group function
anterior teeth
interdigitation

15. Vertical overlapping
traumatogenic occlusion
overbite
group function
Centric occlusion is also called

16. Occlusal guard =
physiologic occlusion
functional occlusion
Dentures
hawley appliance

17. Anterior; no horizontal overlap
edge to edge
distal step
supraversion
centric occlusion

18. Mandible moves to the right or left
centric occlusion
class II malocclusion
pathologic tooth migration
Lateral excursion

19. Functional occlusion
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
Nonworking side
dynamic occlusion
horizontal overlap

20. Introduced the concept of codestruction
normal curve of spee
drifted mesial
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
Glickman 1963

21. Muscles that work the jaw; may become sore due to occ trauma
Curve of Wilson
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
temporalis and masseter
Dentures

22. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
leeway spaces
traumatogenic occlusion
codestructive theory

23. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
temporalis and masseter
secondary occlusal trauma
bone support
codestructive theory

24. 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
drifted mesial
Underjet
occlusal trauma

25. Widening of the PDL in areas under pressure results due to
Protrusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
molar relationship
osteoclast resorption

26. What is not affected by occ trauma
bone support
Acromegaly
An ideal curve of spee would be
gingiva

27. Relationship of the arches bone to bone;
premature curve of spee
curve of monson
centric relation
Curve of Wilson

28. The permanent molars erupt posterior to the primary teeth and push them all mesially
inter-arch
An ideal curve of spee would be
How the diastemas are closed up(including primates spaces)
overbite

29. Primary teeth set ___________________ for permanent
non working or balancing side
left working movement
occlusion pattern
temporalis and masseter

30. ____ is not a sign of occl trauma
physiologic occlusion
occlusal erosion
If the condyles continue to grow - extreme mesial step will turn into ___
Centric(habitual) occlusion

31. Tongue thrust or thumb sucking can cause
class II division I occlusion
Misalignment of teeth
selective grinding or occlusal equilibration
malocclusion

32. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
curve of spee
inflammation
Misalignment of teeth

33. Mesognathic profile
secondary occlusal trauma
class I
Protrusion
If the condyles continue to grow - extreme mesial step will turn into ___

34. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
severe overbite
functional occlusion
traumatogenic occlusion
dynamic occlusion

35. Maxillary incisors are are lingual to mandibular incisors
hawley appliance
Malocclusion
Underjet
diastemas

36. #10 & #23
occlusal trauma
Leeway space
functional occlusion
openbite

37. Curve spee & wilson - 3-d - not proven
moderate overbite
curve of monson
Crossbite
conditions that occur in class I malocclusion

38. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
canine guidance or protection
occlusal trauma
Hereditary factors include

39. 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
late curve of spee
gingiva
Abfraction
functional contacts

40. Rotated or twisted; rotated mesial or distal
conditions that occur in class I malocclusion
torsoversion
Curve of Spee
underjet

41. Maxillary - Mandibular - Facial
conditions that occur in class II - div 2
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
canine guidance or protection
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

42. Starts around the mesial of the 1st molar
normal curve of spee
Overbite is a ___ measurement
molar relationship
Working side

43. 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
Overbite is a ___ measurement
Unilateral crossbite occurs when
An ideal curve of spee would be
normal curve of spee

44. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
crossbite
divisions of parafunctional contacts
selective grinding or occlusal equilibration
Curve of Spee

45. During selective grinding - occlusion should be adjusted In what four relationships
Malocclusion
Hereditary factors include
torsoversion
centric occlusion - centric relation - protrusive and lateral movements

46. Lateral mvmt results in contact btwn the max and mand canines
posterior contact
canine guidance or protection
Working side
causes of primary occlusal trauma

47. Vibrational mvmt of a tooth under occ function
Centric(habitual) occlusion
fremitus
decrease over time
non working or balancing side

48. Above occlusal plane
hypercementosis
supraversion
curve of monson
centric relation

49. A continuation of the spee of to extend through the condyle
Bilateral crossbite occurs on...
protrusive occlusion
An ideal curve of spee would be
curve of monson

50. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
Centric occlusion is also called
inflammation
Overbite is a ___ measurement
traumatic overbite