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Dentistry Occlusion
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Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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. If the mandible moves to the left - the mvmt is known as a left working movement
underjet
left working movement
class I
parafunctional contacts
2. 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
Curve of Wilson
Hereditary factors include
diastemas
class III - classificaiton
3. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
canine guidance or protection
conditions that occur in class II - div I
Leeway space
Acromegaly
4. Need tooth to tooth contact on both working and non working sides to func effectively
Working side
Attrition
Dentures
canine relationship
5. Maxillary incisors are are lingual to mandibular incisors
linguoversion
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
functional contacts
Underjet
6. 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
bone support
normal curve of spee
normal overbite
Retrusion
7. Mesially - Labially
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class II division I occlusion
anterior 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
8. Starts closer to premolars
centric occlusion
Attrition
selective grinding or occlusal equilibration
premature curve of spee
9. Vertical overlapping
edge to edge
overbite
Nonworking side
traumatogenic occlusion
10. Excessive deposition of cementum around the apex - due to excessive occlusal forces
Overjet
hypercementosis
protrusive occlusion
centric occlusion - centric relation - protrusive and lateral movements
11. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Mandibular posterior teeth vertical alignment
From a frontal view - anterior teeth lean ___
leeway spaces
physiologic occlusion
12. Measurement of horizontal overlap w/ probe
overjet
molar relationship
diastemas
Acromegaly
13. Lateral mvmt results in contacct of all posterior teeth
group function
centric occlusion - centric relation - protrusive and lateral movements
infraversion
Bilateral crossbite occurs on...
14. When no teeth are contacting on this side
protrusive occlusion
splinting
posterior crossbite
Nonworking side
15. Later
underjet
hawley appliance
Condyles of the mandible continue grow ___than the maxilla
Underjet
16. After periodontal sugery - mobility will ________
malocclusion
decrease over time
occlusion
crossbite
17. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
curve of spee
centric occlusion
centric relation
severe overbite
18. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
vertical overlap
anterior crossbite
Maxillary posterior teeth vertical alignment
occlusion pattern
19. Vertical
Overbite is a ___ measurement
moderate overbite
Occlusion can be affected by
normal curve of spee
20. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class II division I occlusion
Occlusion can be affected by
Attrition
21. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Premature contact
malocclusion
moderate overbite
functional contacts
22. Maximal intercuspation or contact of the max and mand teeth
Maxillary posterior teeth vertical alignment
centric occlusion
intercuspation
Overbit
23. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Overbit
An ideal curve of spee would be
Centric occlusion is also called
Condyles of the mandible continue grow ___than the maxilla
24. Most common cause is when the maxilla does not grow in proportion to the mandible
An ideal curve of spee would be
underjet
Crossbite
class II - div 2
25. Usually indicative of moderate to sever perio and secondary occ trauma
secondary occlusal trauma
group function
pathologic tooth migration
Underjet
26. Rotated or twisted; rotated mesial or distal
torsoversion
overbite
divisions of parafunctional contacts
centric relation
27. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Retrusion
premature occlusal contact
malocclusion
divisions of parafunctional contacts
28. Lateral mvmt results in contact btwn the max and mand canines
decrease over time
diastemas
canine guidance or protection
Crossbite
29. Above occlusal plane
supraversion
end to end
Occlusion can be affected by
class III - classificaiton
30. Anterior; no horizontal overlap
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
splinting
edge to edge
Open bite
31. Relationship of the arches bone to bone;
centric relation
inflammation
dynamic occlusion
other names for centric occlusion
32. Both sides
centric relation
Bilateral crossbite occurs on...
temporalis and masseter
gingiva
33. Muscles that work the jaw; may become sore due to occ trauma
codestructive theory
curve of wilson
How the diastemas are closed up(including primates spaces)
temporalis and masseter
34. The permanent molars erupt posterior to the primary teeth and push them all mesially
normal curve of spee
conditions that occur in class II - div 2
How the diastemas are closed up(including primates spaces)
physiologic occlusion
35. 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
inter-arch
crossbite
class II - div 2
parafunctional contacts
36. Starts around the mesial of the 1st molar
gingiva
edge to edge
Lateral excursion
normal curve of spee
37. Mvmt of the mandible in a direction anterior to centric occ
Retrusion
protrusive occlusion
Maxillary posterior teeth vertical alignment
conditions that occur in class II - div 2
38. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
Underjet
hypercementosis
intercuspation
39. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
canine guidance or protection
premature curve of spee
codestructive theory
40. Selective grinding should always be completed after ______ has been controlled
inflammation
Malocclusion
class II malocclusion
Edge to edge bite occurs when
41. Tooth extracted
horizontal overlap
drifted mesial
excessive occlusal force
Underjet
42. Starts closer to the posterior of the 1st molar
traumatogenic occlusion
canine relationship
Open bite
late curve of spee
43. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
class II - div 1
Overjet
Premature contact
malocclusion
44. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Midline deviation
physiologic occlusion
Hereditary factors include
Malocclusion
45. Difference between primary and secondary occ trauma
decrease over time
open bite
fremitus
bone support
46. 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
underjet
class I
splinting
curve of monson
47. Middle 3rd
class II malocclusion
Acromegaly
Midline deviation
moderate overbite
48. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
crossbite
late curve of spee
Intercuspation
Open bite
49. During a left working movement - the right side is known as the
If the condyles continue to grow - extreme mesial step will turn into ___
non working or balancing side
Overbite is a ___ measurement
class II malocclusion
50. The way you normally bite your teeth together when not chewing
premature curve of spee
Centric(habitual) occlusion
physiologic occlusion
interdigitation
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