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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. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
left working movement
dynamic occlusion
pathologic tooth migration
2. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Premature contact
malocclusion
class II malocclusion
severe overbite
3. Maxillary - Mandibular - Facial
pathologic occlusion
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
Leeway space
underjet
4. Above occlusal plane
Acromegaly
supraversion
anterior teeth
Hereditary factors include
5. After periodontal sugery - mobility will ________
conditions that occur in class II - div I
class II division I occlusion
decrease over time
Overjet is a ___ measurement
6. Tooth positioned more lingual
linguoversion
class II
gingiva
osteoclast resorption
7. #10 & #23
openbite
gingiva
primate spaces
Intercuspation
8. Primary teeth set ___________________ for permanent
occlusion pattern
excessive occlusal force
inter-arch
left working movement
9. Difference between primary and secondary occ trauma
bone support
Protrusion
conditions that occur in class I malocclusion
protrusive occlusion
10. Maximal intercuspation or contact of the max and mand teeth
inter-arch
Nonworking side
bone support
centric occlusion
11. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of wilson
parafunctional contacts
occlusion pattern
curve of spee
12. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal trauma
Working side
Premature contact
overbite
13. 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
Misalignment of teeth
gingiva
How the diastemas are closed up(including primates spaces)
Retrusion
14. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
intercuspation
vertical overlap
codestructive theory
functional occlusion
15. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
functional occlusion
occlusal trauma
conditions that occur in class II - div 2
class II - div 2
16. Anterior; no horizontal overlap
supraversion
anterior crossbite
Nonworking side
edge to edge
17. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Midline deviation
molar relationship
Unilateral crossbite occurs when
pathologic occlusion
18. Vertical overlapping
overbite
Attrition
overjet
centric occlusion
19. Maximum touching of max and mand
interdigitation
Intercuspation
physiologic occlusion
non working or balancing side
20. 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
splinting
class II malocclusion
torsoversion
occlusal erosion
21. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
anterior crossbite
malocclusion
Intercuspation
conditions that occur in class I malocclusion
22. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
codestructive theory
Curve of Wilson
occlusal erosion
conditions that occur in class II - div I
23. If the mandible moves to the left - the mvmt is known as a left working movement
Premature contact
left working movement
inter-arch
labialversion or buccoversion
24. Occlusal guard =
hawley appliance
conditions that occur in class II - div I
Lateral excursion
Overbite is a ___ measurement
25. Vibrational mvmt of a tooth under occ function
fremitus
Abfraction
premature curve of spee
occlusal erosion
26. Max canine occludes with mand. canine and mand. 1st premolar.
Mandibular posterior teeth vertical alignment
How the diastemas are closed up(including primates spaces)
canine relationship
overbite
27. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
decrease over time
excessive occlusal force
functional occlusion
crossbite
28. Guidance for protrusive occ should be on the
premature occlusal contact
anterior teeth
Unilateral crossbite occurs when
tooth mobility
29. Habitual - acquired - convenience - intercuspal & static
functional occlusion
premature curve of spee
temporalis and masseter
other names for centric occlusion
30. Abnormal contacts; occlusal habits - and neuroses
parafunctional contacts
occlusal trauma
Mandibular posterior teeth vertical alignment
occlusion
31. Slight buccal inclination of crown - lingual inclination of root
class II - div 1
drifted mesial
Maxillary posterior teeth vertical alignment
inflammation
32. Introduced the concept of codestruction
Glickman 1963
Misalignment of teeth
posterior contact
Occlusion can be affected by
33. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
splinting
conditions that occur in class II - div I
centric relation
Misalignment of teeth
34. Relationship of the arches bone to bone;
Mandibular posterior teeth vertical alignment
drifted mesial
left working movement
centric relation
35. Crowns tipped lingually - roots tipped laterally
premature occlusal contact
class II
class II malocclusion
Mandibular posterior teeth vertical alignment
36. During protrusive occ - ______ is considered undesirable
If the condyles continue to grow - extreme mesial step will turn into ___
selective grinding or occlusal equilibration
posterior contact
Acromegaly
37. Starts closer to the posterior of the 1st molar
occlusion
late curve of spee
Overbite is a ___ measurement
traumatogenic occlusion
38. What is not affected by occ trauma
inflammation
openbite
gingiva
vertical overlap
39. 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
overbite
moderate overbite
conditions that occur in class II - div I
Abfraction
40. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Maxillary posterior teeth vertical alignment
normal overbite
leeway spaces
drifted mesial
41. Mandibular molars more mesial than maxillary molars (most children)
mesial step
vertical overlap
traumatogenic occlusion
class II malocclusion
42. During a left working movement - the right side is known as the
late curve of spee
non working or balancing side
If the condyles continue to grow - extreme mesial step will turn into ___
overjet
43. Both sides
mesial step
Curve of Wilson
Bilateral crossbite occurs on...
normal overbite
44. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
crossbite
premature occlusal contact
Working side
45. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
class III - classificaiton
Retrusion
curve of wilson
inflammation
46. 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
Overjet
canine relationship
horizontal overlap
class II division I occlusion
47. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
decrease over time
Curve of Spee
supraversion
48. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
Overbite is a ___ measurement
primate spaces
normal overbite
Malocclusion
49. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Premature contact
overjet
Dentures
excessive occlusal force
50. A continuation of the spee of to extend through the condyle
curve of spee
bone support
intercuspation
An ideal curve of spee would be