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. Relationship of the teeth in opposite arches; static position
selective grinding or occlusal equilibration
Malocclusion
centric occlusion
curve of wilson

2. Mvmt of the mandible in a direction anterior to centric occ
Bilateral crossbite occurs on...
canine relationship
protrusive occlusion
pathologic occlusion

3. Relationship of the arches bone to bone;
crestal funneling
open bite
posterior crossbite
centric relation

4. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
overbite
class II
end to end
Occlusion can be affected by

5. Curve spee & wilson - 3-d - not proven
curve of monson
centric relation
class III - classificaiton
curve of spee

6. During selective grinding - occlusion should be adjusted In what four relationships
Centric(habitual) occlusion
functional occlusion
normal curve of spee
centric occlusion - centric relation - protrusive and lateral movements

7. A continuation of the spee of to extend through the condyle
malocclusion
Occlusion can be affected by
Dentures
An ideal curve of spee would be

8. Introduced the concept of codestruction
Overbit
class II division I occlusion
Glickman 1963
causes of open bite

9. Maximum touching of max and mand
interdigitation
labialversion or buccoversion
Retrusion
class III - classificaiton

10. Lateral mvmt results in contact btwn the max and mand canines
Overbit
hypercementosis
canine guidance or protection
Misalignment of teeth

11. Later
Occlusion can be affected by
Condyles of the mandible continue grow ___than the maxilla
Overjet is a ___ measurement
Intercuspation

12. Primary teeth set ___________________ for permanent
occlusion pattern
Crossbite
interdigitation
inflammation

13. Occlusal guard =
diastemas
Open bite
hawley appliance
causes of primary occlusal trauma

14. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Midline deviation
leeway spaces
Hereditary factors include
class I

15. Excessive occ force with adequate bone support =
excessive occlusal force
distal step
primary occlusal trauma
diastemas

16. Horizontal
Overjet is a ___ measurement
centric occlusion
selective grinding or occlusal equilibration
normal curve of spee

17. Starts closer to the posterior of the 1st molar
Acromegaly
parafunctional contacts
late curve of spee
secondary occlusal trauma

18. Crowns tipped lingually - roots tipped laterally
primate spaces
class II malocclusion
Mandibular posterior teeth vertical alignment
distal step

19. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
Centric occlusion is also called
gingiva
labialversion or buccoversion

20. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
Edge to edge bite occurs when
functional occlusion
Malocclusion

21. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
hawley appliance
premature occlusal contact
functional occlusion
secondary occlusal trauma

22. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Underjet
If the condyles continue to grow - extreme mesial step will turn into ___
posterior crossbite
functional occlusion

23. 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
Protrusion
class II malocclusion
crossbite
Overjet

24. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
Protrusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
posterior contact

25. Individual teeth from each arch can be involved in ________________ malocclusion
conditions that occur in class III
inter-arch
leeway spaces
end to end

26. #10 & #23
gingiva
openbite
class I
Crossbite

27. Overlap of anterior teeth
vertical overlap
physiologic occlusion
conditions that occur in class I malocclusion
late curve of spee

28. Mandible moves to the right or left
functional occlusion
Unilateral crossbite occurs when
Lateral excursion
dynamic occlusion

29. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
class III - classificaiton
protrusive occlusion
premature curve of spee
excessive occlusal force

30. Selective grinding should always be completed after ______ has been controlled
occlusion
inflammation
anterior crossbite
normal overbite

31. Mandibular molars more mesial than maxillary molars (most children)
mesial step
secondary occlusal trauma
divisions of parafunctional contacts
functional occlusion

32. The side to which the mandible moves(chewing side)
hawley appliance
primate spaces
openbite
Working side

33. Maxillary - Mandibular - Facial
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
infraversion
Edge to edge bite occurs when

34. Associated with performance; all contacts during function of the oral cavity
left working movement
functional occlusion
premature curve of spee
curve of monson

35. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
From a frontal view - anterior teeth lean ___
class III - classificaiton
intercuspation

36. Maxillary incisors are are lingual to mandibular incisors
Overjet is a ___ measurement
Condyles of the mandible continue grow ___than the maxilla
decrease over time
Underjet

37. Need tooth to tooth contact on both working and non working sides to func effectively
normal overbite
occlusal trauma
flush terminal plane
Dentures

38. Teeth are misaligned when biting together
Crossbite
Malocclusion
Unilateral crossbite occurs when
Overbit

39. Guidance for protrusive occ should be on the
dynamic occlusion
end to end
vertical overlap
anterior teeth

40. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
diastemas
An ideal curve of spee would be
vertical overlap
secondary occlusal trauma

41. During protrusive occ - ______ is considered undesirable
Crossbite
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
posterior contact

42. Mesognathic profile
class II division I occlusion
mesial step
canine relationship
class I

43. Tooth positioned more lingual
linguoversion
supraversion
occlusion
Overjet

44. Contact between maxillary incisors does not line up with contact of mandibular incisors
posterior contact
Midline deviation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
primary occlusal trauma

45. Posterior; no horizontal overlap
Protrusion
drifted mesial
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
end to end

46. Normal contacts between max. and mand. teeth; momentary contacts
occlusal trauma
anterior crossbite
functional contacts
malocclusion

47. During a left working movement - the right side is known as the
crestal funneling
non working or balancing side
curve of spee
traumatogenic occlusion

48. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
edge to edge
Working side
anterior crossbite
Dentures

49. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
physiologic occlusion
Intercuspation
Abfraction
other names for centric occlusion

50. Prognathic profile
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
Centric relation
class III
occlusal erosion