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. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
Misalignment of teeth
curve of spee
Overjet

2. Buck teeth are common and are considered
traumatic overbite
Centric occlusion is also called
intercuspation
class II malocclusion

3. Need tooth to tooth contact on both working and non working sides to func effectively
occlusal trauma
codestructive theory
Dentures
canine guidance or protection

4. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
temporalis and masseter
Edge to edge bite occurs when
bone support
conditions that occur in class II - div I

5. 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
occlusal trauma
late curve of spee
Overjet
labialversion or buccoversion

6. When no teeth are contacting on this side
labialversion or buccoversion
pathologic tooth migration
class II - div 1
Nonworking side

7. Below occlusal plane
Premature contact
interdigitation
mesial step
infraversion

8. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Dentures
curve of wilson

9. 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
premature occlusal contact
Overjet is a ___ measurement
primate spaces
class II - div 2

10. Contact between maxillary incisors does not line up with contact of mandibular incisors
occlusion
Midline deviation
occlusion pattern
An ideal curve of spee would be

11. Slight buccal inclination of crown - lingual inclination of root
canine guidance or protection
Centric(habitual) occlusion
Maxillary posterior teeth vertical alignment
normal overbite

12. Posterior; no horizontal overlap
crossbite
physiologic occlusion
selective grinding or occlusal equilibration
end to end

13. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
Condyles of the mandible continue grow ___than the maxilla
severe overbite
Leeway space

14. Laterally
Overbit
From a frontal view - anterior teeth lean ___
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
centric occlusion

15. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
class II - div 1
pathologic tooth migration
excessive occlusal force
molar relationship

16. ____ is not a sign of occl trauma
occlusal erosion
primate spaces
normal curve of spee
posterior crossbite

17. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
osteoclast resorption
conditions that occur in class II - div 2
pathologic occlusion
centric relation

18. Mandible moves to the right or left
Retrusion
end to end
Acromegaly
Lateral excursion

19. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
primary occlusal trauma
selective grinding or occlusal equilibration
flush terminal plane
non working or balancing side

20. #10 & #23
flush terminal plane
openbite
dynamic occlusion
Overjet is a ___ measurement

21. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
traumatogenic occlusion
tooth mobility
If the condyles continue to grow - extreme mesial step will turn into ___
left working movement

22. Crowns tipped lingually - roots tipped laterally
functional contacts
secondary occlusal trauma
Maxillary posterior teeth vertical alignment
Mandibular posterior teeth vertical alignment

23. Muscles that work the jaw; may become sore due to occ trauma
temporalis and masseter
traumatogenic occlusion
functional contacts
infraversion

24. Mandibular molars more distal than maxillary molars
Dentures
class III
class I
distal step

25. Horizontal
class III
An ideal curve of spee would be
Overjet is a ___ measurement
dynamic occlusion

26. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
If the condyles continue to grow - extreme mesial step will turn into ___
physiologic occlusion
malocclusion
Curve of Wilson

27. If the mandible moves to the left - the mvmt is known as a left working movement
secondary occlusal trauma
non working or balancing side
left working movement
Glickman 1963

28. Curve spee & wilson - 3-d - not proven
physiologic occlusion
inter-arch
moderate overbite
curve of monson

29. Starts around the mesial of the 1st molar
class I
normal overbite
Abfraction
normal curve of spee

30. Widening of the PDL in areas under pressure results due to
left working movement
centric occlusion - centric relation - protrusive and lateral movements
inter-arch
osteoclast resorption

31. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
centric occlusion
bone support
conditions that occur in class I malocclusion
occlusal trauma

32. Tongue thrusting; thumb sucking - pacifiers
Overjet
centric relation
causes of open bite
class II division I occlusion

33. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
splinting
conditions that occur in class I malocclusion
Centric(habitual) occlusion
leeway spaces

34. Overlap of anterior teeth
vertical overlap
Overjet
late curve of spee
occlusion

35. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
occlusion
Crossbite
excessive occlusal force

36. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
intercuspation
centric relation
Glickman 1963
Overjet is a ___ measurement

37. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
molar relationship
conditions that occur in class III
temporalis and masseter
How the diastemas are closed up(including primates spaces)

38. Tongue thrust or thumb sucking can cause
conditions that occur in class II - div 2
hypercementosis
posterior contact
class II division I occlusion

39. Associated with performance; all contacts during function of the oral cavity
functional occlusion
anterior teeth
occlusion pattern
Leeway space

40. The patient is constantly tightening the lower lip against the lower anterior teeth causing the the mandibular teeth to be pushed back into the mouth by this overdeveloped lower lip
Retrusion
inflammation
Working side
intercuspation

41. Maximum interlocking of cusp
physiologic occlusion
class III
intercuspation
primary occlusal trauma

42. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
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
edge to edge
codestructive theory
group function

43. 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
divisions of parafunctional contacts
class II - div 1
decrease over time
physiologic occlusion

44. Mvmt of the mandible in a direction anterior to centric occ
non working or balancing side
protrusive occlusion
traumatogenic occlusion
Underjet

45. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
hypercementosis
left working movement
occlusal trauma
conditions that occur in class II - div 2

46. Mesognathic profile
class I
pathologic occlusion
Dentures
centric occlusion

47. 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
Condyles of the mandible continue grow ___than the maxilla
underjet
Abfraction
protrusive occlusion

48. Survival of the dentition despite its deviation from a preconceived hypothetical normal
mesial step
leeway spaces
physiologic occlusion
inter-arch

49. Usually indicative of moderate to sever perio and secondary occ trauma
pathologic tooth migration
occlusal erosion
Crossbite
Overjet is a ___ measurement

50. Maxillary - Mandibular - Facial
occlusion pattern
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
anterior crossbite
traumatic overbite