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. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
secondary occlusal trauma
parafunctional contacts
interdigitation
centric relation

2. Maxillary anterior teeth stick out labially from tongue thrusting
diastemas
Protrusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
pathologic tooth migration

3. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
molar relationship
Curve of Wilson
drifted mesial
From a frontal view - anterior teeth lean ___

4. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
If the condyles continue to grow - extreme mesial step will turn into ___
class III
primary occlusal trauma

5. Tongue thrusting; thumb sucking - pacifiers
tooth mobility
If the condyles continue to grow - extreme mesial step will turn into ___
causes of open bite
left working movement

6. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
crossbite
occlusion
physiologic occlusion
Open bite

7. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
tooth mobility
conditions that occur in class III
protrusive occlusion
Crossbite

8. Vertical overlapping
osteoclast resorption
Attrition
overbite
traumatogenic occlusion

9. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
parafunctional contacts
late curve of spee
selective grinding or occlusal equilibration
Overbite is a ___ measurement

10. The side to which the mandible moves(chewing side)
If the condyles continue to grow - extreme mesial step will turn into ___
Condyles of the mandible continue grow ___than the maxilla
Working side
class II - div 2

11. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
physiologic occlusion
canine relationship
excessive occlusal force
other names for centric occlusion

12. Most common cause is when the maxilla does not grow in proportion to the mandible
class I
mesial step
osteoclast resorption
Crossbite

13. Crowns tipped lingually - roots tipped laterally
Mandibular posterior teeth vertical alignment
canine relationship
Crossbite
anterior crossbite

14. Maximum touching of max and mand
Centric relation
Acromegaly
interdigitation
conditions that occur in class II - div I

15. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Working side
Centric occlusion is also called
Occlusion can be affected by
pathologic tooth migration

16. Contact between maxillary incisors does not line up with contact of mandibular incisors
traumatogenic occlusion
Midline deviation
secondary occlusal trauma
Edge to edge bite occurs when

17. Difference between primary and secondary occ trauma
anterior crossbite
Nonworking side
Protrusion
bone support

18. Maxillary - Mandibular - Facial
centric occlusion - centric relation - protrusive and lateral movements
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 1
molar relationship

19. Spaces between two teeth
severe overbite
openbite
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
diastemas

20. Normal contacts between max. and mand. teeth; momentary contacts
edge to edge
divisions of parafunctional contacts
functional contacts
Nonworking side

21. Buck teeth are common and are considered
vertical overlap
normal curve of spee
class II - div 2
class II malocclusion

22. Occlusal guard =
canine guidance or protection
hawley appliance
traumatic overbite
class I

23. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
secondary occlusal trauma
conditions that occur in class II - div I
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
splinting

24. Cervical 3rd
torsoversion
pathologic tooth migration
centric occlusion
severe overbite

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
non working or balancing side
Misalignment of teeth
premature occlusal contact

26. 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
selective grinding or occlusal equilibration
Underjet
class II - div 1
moderate overbite

27. Mesognathic profile
class I
flush terminal plane
Bilateral crossbite occurs on...
canine relationship

28. During selective grinding - occlusion should be adjusted In what four relationships
Intercuspation
class II division I occlusion
centric occlusion - centric relation - protrusive and lateral movements
bone support

29. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
molar relationship
protrusive occlusion
Premature contact
moderate overbite

30. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
secondary occlusal trauma
Retrusion
posterior crossbite

31. Above occlusal plane
class II malocclusion
crestal funneling
supraversion
distal step

32. Curve spee & wilson - 3-d - not proven
curve of monson
Crossbite
normal curve of spee
centric occlusion - centric relation - protrusive and lateral movements

33. Relationship of the arches bone to bone;
crestal funneling
Abfraction
overjet
centric relation

34. Posterior; no horizontal overlap
centric occlusion - centric relation - protrusive and lateral movements
Premature contact
bone support
end to end

35. 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
fremitus
inter-arch
labialversion or buccoversion
Overjet

36. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
labialversion or buccoversion
other names for centric occlusion
conditions that occur in class I malocclusion
crossbite

37. A continuation of the spee of to extend through the condyle
non working or balancing side
Mandibular posterior teeth vertical alignment
An ideal curve of spee would be
Lateral excursion

38. Vibrational mvmt of a tooth under occ function
late curve of spee
fremitus
primate spaces
How the diastemas are closed up(including primates spaces)

39. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
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
mesial step
secondary occlusal trauma

40. Mandible moves to the right or left
class II
class III
Lateral excursion
class II division I occlusion

41. Functional occlusion
dynamic occlusion
Dentures
traumatic overbite
Retrusion

42. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
Condyles of the mandible continue grow ___than the maxilla
Occlusion can be affected by
Attrition

43. Usually indicative of moderate to sever perio and secondary occ trauma
non working or balancing side
pathologic tooth migration
interdigitation
class II - div 2

44. Habitual - acquired - convenience - intercuspal & static
class II - div 2
functional occlusion
conditions that occur in class II - div I
other names for centric occlusion

45. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
temporalis and masseter
Acromegaly
class II - div 1
traumatic overbite

46. Introduced the concept of codestruction
group function
Glickman 1963
Abfraction
divisions of parafunctional contacts

47. Primary teeth set ___________________ for permanent
crestal funneling
Acromegaly
Leeway space
occlusion pattern

48. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
Midline deviation
tooth mobility
class II division I occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

49. ____ is not a sign of occl trauma
canine guidance or protection
protrusive occlusion
horizontal overlap
occlusal erosion

50. Individual teeth from each arch can be involved in ________________ malocclusion
traumatic overbite
premature curve of spee
anterior crossbite
inter-arch