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. Maxillary anterior teeth stick out labially from tongue thrusting
Retrusion
inter-arch
hypercementosis
Protrusion

2. Vibrational mvmt of a tooth under occ function
fremitus
normal curve of spee
Crossbite
class III - classificaiton

3. Tooth positioned more lingual
selective grinding or occlusal equilibration
linguoversion
class II - div 2
molar relationship

4. Rotated or twisted; rotated mesial or distal
splinting
labialversion or buccoversion
torsoversion
Retrusion

5. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
functional contacts
selective grinding or occlusal equilibration
decrease over time
late curve of spee

6. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
hypercementosis
physiologic occlusion
class I
occlusion

7. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
class I
physiologic occlusion
traumatogenic occlusion

8. Relationship of the teeth in opposite arches; static position
Hereditary factors include
leeway spaces
centric occlusion
severe overbite

9. 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
tooth mobility
class II
Nonworking side
splinting

10. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
class II - div 1
pathologic tooth migration
Maxillary posterior teeth vertical alignment
premature occlusal contact

11. Class III (mal)occlusion of permanent teeth
Glickman 1963
curve of spee
If the condyles continue to grow - extreme mesial step will turn into ___
posterior crossbite

12. Below occlusal plane
physiologic occlusion
vertical overlap
pathologic occlusion
infraversion

13. Starts around the mesial of the 1st molar
Retrusion
normal curve of spee
drifted mesial
How the diastemas are closed up(including primates spaces)

14. #7 - 26 - 27
Misalignment of teeth
How the diastemas are closed up(including primates spaces)
conditions that occur in class I malocclusion
crossbite

15. Vertical overlapping
How the diastemas are closed up(including primates spaces)
overbite
From a frontal view - anterior teeth lean ___
Overjet is a ___ measurement

16. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
anterior crossbite
Malocclusion
Centric relation
class III

17. Horizontal distance of anterior teeth in crossbite
Edge to edge bite occurs when
underjet
osteoclast resorption
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

18. Starts closer to the posterior of the 1st molar
Overbite is a ___ measurement
Hereditary factors include
late curve of spee
distal step

19. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
class II malocclusion
occlusal trauma
Bilateral crossbite occurs on...
inter-arch

20. The way you normally bite your teeth together when not chewing
Bilateral crossbite occurs on...
anterior teeth
Centric(habitual) occlusion
codestructive theory

21. Relationship of the arches bone to bone;
centric relation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
How the diastemas are closed up(including primates spaces)
occlusal trauma

22. Laterally
malocclusion
From a frontal view - anterior teeth lean ___
inter-arch
labialversion or buccoversion

23. Maxillary - Mandibular - Facial
Curve of Spee
Underjet
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
conditions that occur in class II - div I

24. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
torsoversion
diastemas
splinting

25. Lateral mvmt results in contacct of all posterior teeth
occlusal erosion
temporalis and masseter
group function
occlusal trauma

26. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
Acromegaly
conditions that occur in class III
class II - div 2

27. Incisal 3rd
Occlusion can be affected by
normal overbite
mesial step
class III - classificaiton

28. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Overjet is a ___ measurement
bone support
temporalis and masseter
Occlusion can be affected by

29. Excessive occ force with adequate bone support =
primate spaces
Dentures
primary occlusal trauma
Protrusion

30. Both sides
flush terminal plane
interdigitation
conditions that occur in class III
Bilateral crossbite occurs on...

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

32. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
openbite
primary occlusal trauma
overbite

33. Crowns tipped lingually - roots tipped laterally
Unilateral crossbite occurs when
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
late curve of spee
Mandibular posterior teeth vertical alignment

34. Mesognathic profile
class I
secondary occlusal trauma
Overbite is a ___ measurement
underjet

35. 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
curve of wilson
Attrition
class II - div 1
class II malocclusion

36. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
Mandibular posterior teeth vertical alignment
Glickman 1963
causes of primary occlusal trauma
Curve of Spee

37. During a left working movement - the right side is known as the
other names for centric occlusion
Attrition
Premature contact
non working or balancing side

38. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Overbite is a ___ measurement
premature occlusal contact
splinting
divisions of parafunctional contacts

39. During selective grinding - occlusion should be adjusted In what four relationships
Working side
Midline deviation
moderate overbite
centric occlusion - centric relation - protrusive and lateral movements

40. Usually indicative of moderate to sever perio and secondary occ trauma
An ideal curve of spee would be
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
pathologic tooth migration
primate spaces

41. Selective grinding should always be completed after ______ has been controlled
premature curve of spee
Overbite is a ___ measurement
inflammation
fremitus

42. 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
diastemas
group function
Abfraction
Nonworking side

43. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
traumatic overbite
functional occlusion
conditions that occur in class II - div 2
Maxillary posterior teeth vertical alignment

44. Overlap of anterior teeth
Centric(habitual) occlusion
distal step
Occlusion can be affected by
vertical overlap

45. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
functional occlusion
traumatogenic occlusion
Centric occlusion is also called
gingiva

46. Mandibular molars and maxillary molars are even
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Hereditary factors include
flush terminal plane
pathologic tooth migration

47. Later
centric occlusion - centric relation - protrusive and lateral movements
Unilateral crossbite occurs when
Retrusion
Condyles of the mandible continue grow ___than the maxilla

48. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Leeway space
Acromegaly
hypercementosis
bone support

49. Teeth are misaligned when biting together
posterior crossbite
Malocclusion
canine guidance or protection
open bite

50. Difference between primary and secondary occ trauma
moderate overbite
crossbite
bone support
inter-arch