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Test your basic knowledge |
Dentistry Occlusion
Start Test
Study First
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. Need tooth to tooth contact on both working and non working sides to func effectively
gingiva
molar relationship
centric occlusion
Dentures
2. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal trauma
class I
Attrition
Working side
3. #10 & #23
openbite
moderate overbite
normal overbite
group function
4. Teeth are misaligned when biting together
Dentures
drifted mesial
normal curve of spee
Malocclusion
5. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
secondary occlusal trauma
moderate overbite
pathologic tooth migration
leeway spaces
6. Usually indicative of moderate to sever perio and secondary occ trauma
causes of primary occlusal trauma
Midline deviation
Working side
pathologic tooth migration
7. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
inflammation
osteoclast resorption
Underjet
premature occlusal contact
8. Muscles that work the jaw; may become sore due to occ trauma
physiologic occlusion
occlusal trauma
temporalis and masseter
functional occlusion
9. Rotated or twisted; rotated mesial or distal
overjet
torsoversion
Maxillary posterior teeth vertical alignment
Premature contact
10. Vibrational mvmt of a tooth under occ function
fremitus
infraversion
bone support
An ideal curve of spee would be
11. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
mesial step
Abfraction
selective grinding or occlusal equilibration
curve of wilson
12. Slight buccal inclination of crown - lingual inclination of root
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
Maxillary posterior teeth vertical alignment
overjet
tooth mobility
13. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed
openbite
Nonworking side
moderate overbite
Attrition
14. Spaces between two teeth
diastemas
curve of wilson
hypercementosis
overbite
15. Introduced the concept of codestruction
interdigitation
Glickman 1963
premature occlusal contact
centric occlusion
16. Prognathic profile
centric occlusion - centric relation - protrusive and lateral movements
Nonworking side
inter-arch
class III
17. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
openbite
centric relation
drifted mesial
group function
18. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Maxillary posterior teeth vertical alignment
molar relationship
Centric relation
class II - div 2
19. Radiographically - the PDL space is wider at the coronal third of the root
Occlusion can be affected by
curve of wilson
primary occlusal trauma
crestal funneling
20. Max canine occludes with mand. canine and mand. 1st premolar.
Overbit
canine relationship
class II malocclusion
physiologic occlusion
21. Starts closer to the posterior of the 1st molar
late curve of spee
conditions that occur in class I malocclusion
Occlusion can be affected by
Edge to edge bite occurs when
22. The side to which the mandible moves(chewing side)
Misalignment of teeth
mesial step
Working side
underjet
23. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Dentures
physiologic occlusion
anterior teeth
class III - classificaiton
24. Retrognathic profile
occlusion pattern
class II
Nonworking side
curve of monson
25. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
excessive occlusal force
horizontal overlap
Maxillary posterior teeth vertical alignment
26. Starts around the mesial of the 1st molar
protrusive occlusion
normal curve of spee
Lateral excursion
centric relation
27. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
fremitus
edge to edge
Acromegaly
Leeway space
28. Cervical 3rd
Crossbite
functional contacts
severe overbite
posterior crossbite
29. Selective grinding should always be completed after ______ has been controlled
primate spaces
inflammation
From a frontal view - anterior teeth lean ___
functional occlusion
30. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
functional occlusion
Hereditary factors include
posterior crossbite
horizontal overlap
31. ____ is not a sign of occl trauma
causes of primary occlusal trauma
occlusal erosion
gingiva
mesial step
32. Horizontal distance of anterior teeth in crossbite
codestructive theory
underjet
left working movement
If the condyles continue to grow - extreme mesial step will turn into ___
33. Tooth extracted
distal step
Centric occlusion is also called
drifted mesial
left working movement
34. Both sides
Dentures
Bilateral crossbite occurs on...
intercuspation
gingiva
35. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
non working or balancing side
anterior teeth
malocclusion
end to end
36. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
centric relation
moderate overbite
parafunctional contacts
37. Mandibular molars more distal than maxillary molars
premature occlusal contact
distal step
posterior contact
selective grinding or occlusal equilibration
38. Maximum touching of max and mand
centric occlusion
Overbite is a ___ measurement
interdigitation
posterior crossbite
39. Occlusal guard =
crestal funneling
Bilateral crossbite occurs on...
curve of spee
hawley appliance
40. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
physiologic occlusion
occlusal trauma
excessive occlusal force
flush terminal plane
41. Relationship of the arches bone to bone;
dynamic occlusion
crossbite
centric relation
physiologic occlusion
42. Crowns tipped lingually - roots tipped laterally
Misalignment of teeth
flush terminal plane
Mandibular posterior teeth vertical alignment
inflammation
43. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
leeway spaces
functional contacts
Retrusion
occlusion
44. Tooth positioned more lingual
tooth mobility
canine relationship
Open bite
linguoversion
45. During a left working movement - the right side is known as the
bone support
linguoversion
interdigitation
non working or balancing side
46. Functional occlusion
pathologic occlusion
linguoversion
Overjet is a ___ measurement
dynamic occlusion
47. Maximum interlocking of cusp
class I
posterior contact
dynamic occlusion
intercuspation
48. Overlap of anterior teeth
temporalis and masseter
physiologic occlusion
vertical overlap
Occlusion can be affected by
49. Incisal 3rd
Dentures
normal overbite
flush terminal plane
moderate overbite
50. Anterior; no horizontal overlap
intercuspation
edge to edge
decrease over time
Lateral excursion