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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. Occlusal guard =
hawley appliance
tooth mobility
centric occlusion - centric relation - protrusive and lateral movements
inter-arch
2. 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
inflammation
class II - div 1
osteoclast resorption
torsoversion
3. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
Hereditary factors include
curve of spee
premature occlusal contact
Edge to edge bite occurs when
4. What is not affected by occ trauma
anterior teeth
physiologic occlusion
gingiva
splinting
5. Introduced the concept of codestruction
anterior crossbite
Glickman 1963
mesial step
Crossbite
6. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
conditions that occur in class III
divisions of parafunctional contacts
openbite
Centric occlusion is also called
7. Patients show evidence or signs and syptoms of occ disease
crestal funneling
Protrusion
Centric occlusion is also called
pathologic occlusion
8. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship
secondary occlusal trauma
conditions that occur in class II - div 2
Overbit
Working side
9. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
crestal funneling
Curve of Spee
Bilateral crossbite occurs on...
Malocclusion
10. Lateral mvmt results in contacct of all posterior teeth
Overbit
Malocclusion
supraversion
group function
11. After periodontal sugery - mobility will ________
decrease over time
class III - classificaiton
normal curve of spee
functional contacts
12. Vertical
Overbite is a ___ measurement
bone support
Working side
inter-arch
13. Prognathic profile
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class III
class II - div 1
centric relation
14. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
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
pathologic occlusion
premature occlusal contact
15. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of spee
severe overbite
curve of wilson
normal curve of spee
16. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
supraversion
Premature contact
An ideal curve of spee would be
conditions that occur in class III
17. Habitual - acquired - convenience - intercuspal & static
centric relation
overbite
other names for centric occlusion
occlusal trauma
18. Slight buccal inclination of crown - lingual inclination of root
end to end
Maxillary posterior teeth vertical alignment
Overbit
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
19. 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
Abfraction
causes of primary occlusal trauma
divisions of parafunctional contacts
tooth mobility
20. Difference between primary and secondary occ trauma
Leeway space
late curve of spee
end to end
bone support
21. When no teeth are contacting on this side
excessive occlusal force
horizontal overlap
Nonworking side
overbite
22. Widening of the PDL in areas under pressure results due to
premature occlusal contact
class II - div 1
osteoclast resorption
mesial step
23. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
crossbite
Open bite
Intercuspation
hypercementosis
24. During a left working movement - the right side is known as the
non working or balancing side
other names for centric occlusion
inter-arch
class II
25. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
Dentures
occlusion
traumatogenic occlusion
Centric(habitual) occlusion
26. Incisal 3rd
normal overbite
bone support
centric occlusion
functional occlusion
27. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
fremitus
An ideal curve of spee would be
conditions that occur in class II - div I
conditions that occur in class III
28. Both sides
Bilateral crossbite occurs on...
Glickman 1963
hypercementosis
dynamic occlusion
29. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
centric relation
diastemas
class I
30. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
excessive occlusal force
Mandibular posterior teeth vertical alignment
class III
occlusal trauma
31. Functional occlusion
bone support
flush terminal plane
functional occlusion
dynamic occlusion
32. The side to which the mandible moves(chewing side)
Working side
curve of spee
primary occlusal trauma
Mandibular posterior teeth vertical alignment
33. Starts closer to the posterior of the 1st molar
decrease over time
selective grinding or occlusal equilibration
openbite
late curve of spee
34. Buck teeth are common and are considered
gingiva
From a frontal view - anterior teeth lean ___
premature occlusal contact
class II malocclusion
35. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
other names for centric occlusion
end to end
functional occlusion
causes of open bite
36. Anterior; no horizontal overlap
edge to edge
curve of wilson
anterior teeth
Midline deviation
37. #7 - 26 - 27
flush terminal plane
crossbite
Centric occlusion is also called
Hereditary factors include
38. Horizontal
How the diastemas are closed up(including primates spaces)
functional occlusion
Overjet is a ___ measurement
conditions that occur in class II - div 2
39. Tongue thrust or thumb sucking can cause
class II - div 2
Glickman 1963
class II division I occlusion
labialversion or buccoversion
40. Mesognathic profile
class I
Curve of Spee
physiologic occlusion
parafunctional contacts
41. Primary teeth set ___________________ for permanent
splinting
Centric occlusion is also called
occlusion pattern
inter-arch
42. A continuation of the spee of to extend through the condyle
functional contacts
causes of primary occlusal trauma
An ideal curve of spee would be
Underjet
43. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
intercuspation
conditions that occur in class II - div 2
conditions that occur in class III
From a frontal view - anterior teeth lean ___
44. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Open bite
divisions of parafunctional contacts
Centric occlusion is also called
late curve of spee
45. Relationship of the arches bone to bone;
centric relation
Occlusion can be affected by
Centric occlusion is also called
canine relationship
46. Posterior; no horizontal overlap
Centric occlusion is also called
molar relationship
end to end
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
47. The way you normally bite your teeth together when not chewing
interdigitation
conditions that occur in class II - div 2
functional occlusion
Centric(habitual) occlusion
48. Normal contacts between max. and mand. teeth; momentary contacts
Unilateral crossbite occurs when
edge to edge
Centric relation
functional contacts
49. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
decrease over time
centric relation
occlusion
50. Later
premature occlusal contact
Condyles of the mandible continue grow ___than the maxilla
torsoversion
underjet