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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. Mesially - Labially
pathologic occlusion
anterior teeth
Protrusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
2. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
conditions that occur in class I malocclusion
Attrition
molar relationship
3. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
anterior crossbite
edge to edge
centric occlusion
4. Introduced the concept of codestruction
Glickman 1963
class III - classificaiton
Curve of Spee
occlusal trauma
5. Functional occlusion
dynamic occlusion
Overbit
Working side
class II malocclusion
6. Curve spee & wilson - 3-d - not proven
centric occlusion
posterior crossbite
curve of monson
centric relation
7. Spaces between two teeth
diastemas
codestructive theory
dynamic occlusion
anterior crossbite
8. Rotated or twisted; rotated mesial or distal
severe overbite
temporalis and masseter
Mandibular posterior teeth vertical alignment
torsoversion
9. Above occlusal plane
decrease over time
supraversion
infraversion
normal overbite
10. Anterior or posterior; bilateral or unitlateral - anterior more common
decrease over time
parafunctional contacts
open bite
normal curve of spee
11. During selective grinding - occlusion should be adjusted In what four relationships
functional contacts
linguoversion
centric occlusion - centric relation - protrusive and lateral movements
left working movement
12. Vertical
traumatogenic occlusion
Leeway space
class II - div 2
Overbite is a ___ measurement
13. Muscles that work the jaw; may become sore due to occ trauma
Centric(habitual) occlusion
secondary occlusal trauma
temporalis and masseter
Midline deviation
14. Survival of the dentition despite its deviation from a preconceived hypothetical normal
traumatic overbite
class III - classificaiton
primary occlusal trauma
physiologic occlusion
15. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
distal step
fremitus
labialversion or buccoversion
occlusal trauma
16. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
severe overbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Condyles of the mandible continue grow ___than the maxilla
17. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
inflammation
functional occlusion
bone support
Acromegaly
18. During protrusive occ - ______ is considered undesirable
centric occlusion
posterior contact
curve of spee
class II - div 1
19. Starts around the mesial of the 1st molar
crestal funneling
conditions that occur in class I malocclusion
normal curve of spee
hawley appliance
20. #10 & #23
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Intercuspation
vertical overlap
openbite
21. 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
decrease over time
Misalignment of teeth
class II - div 2
class II
22. #7 - 26 - 27
openbite
crossbite
conditions that occur in class I malocclusion
divisions of parafunctional contacts
23. Slight buccal inclination of crown - lingual inclination of root
supraversion
Maxillary posterior teeth vertical alignment
normal curve of spee
excessive occlusal force
24. Tongue thrusting; thumb sucking - pacifiers
drifted mesial
causes of open bite
Intercuspation
functional contacts
25. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
torsoversion
Premature contact
premature curve of spee
26. 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
premature curve of spee
class II - div 2
Attrition
causes of primary occlusal trauma
27. Mandibular molars more mesial than maxillary molars (most children)
splinting
Open bite
mesial step
Midline deviation
28. Maximal intercuspation or contact of the max and mand teeth
leeway spaces
late curve of spee
secondary occlusal trauma
centric occlusion
29. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
class II division I occlusion
functional occlusion
Centric relation
30. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
malocclusion
pathologic occlusion
An ideal curve of spee would be
curve of wilson
31. Vertical overlapping
non working or balancing side
moderate overbite
distal step
overbite
32. Mandibular molars more distal than maxillary molars
From a frontal view - anterior teeth lean ___
conditions that occur in class I malocclusion
distal step
Glickman 1963
33. ____ is not a sign of occl trauma
Curve of Spee
occlusal trauma
Centric(habitual) occlusion
occlusal erosion
34. Lateral mvmt results in contacct of all posterior teeth
conditions that occur in class II - div I
Leeway space
group function
normal curve of spee
35. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
linguoversion
functional occlusion
overbite
36. Anterior; no horizontal overlap
inter-arch
Malocclusion
centric relation
edge to edge
37. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
physiologic occlusion
class I
Maxillary posterior teeth vertical alignment
centric relation
38. Incisal 3rd
normal overbite
pathologic occlusion
anterior crossbite
traumatogenic occlusion
39. Tooth positioned more facial
occlusal trauma
labialversion or buccoversion
Acromegaly
canine relationship
40. Horizontal distance of anterior teeth in crossbite
physiologic occlusion
secondary occlusal trauma
underjet
inflammation
41. Crowns tipped lingually - roots tipped laterally
mesial step
excessive occlusal force
Mandibular posterior teeth vertical alignment
protrusive occlusion
42. Tongue thrust or thumb sucking can cause
class II division I occlusion
protrusive occlusion
hypercementosis
Overjet
43. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
primary occlusal trauma
inflammation
conditions that occur in class II - div 2
severe overbite
44. Later
tooth mobility
If the condyles continue to grow - extreme mesial step will turn into ___
Condyles of the mandible continue grow ___than the maxilla
moderate overbite
45. Both sides
Bilateral crossbite occurs on...
normal curve of spee
Premature contact
conditions that occur in class II - div I
46. Max canine occludes with mand. canine and mand. 1st premolar.
primary occlusal trauma
canine relationship
class II malocclusion
malocclusion
47. Widening of the PDL in areas under pressure results due to
severe overbite
mesial step
osteoclast resorption
Curve of Wilson
48. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
conditions that occur in class II - div 2
Occlusion can be affected by
interdigitation
late curve of spee
49. Measurement of horizontal overlap w/ probe
premature curve of spee
overjet
codestructive theory
Crossbite
50. Mandibular molars and maxillary molars are even
Overjet
horizontal overlap
flush terminal plane
decrease over time