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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. 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
labialversion or buccoversion
parafunctional contacts
class III - classificaiton
Edge to edge bite occurs when
2. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
leeway spaces
traumatogenic occlusion
centric relation
normal curve of spee
3. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
Midline deviation
class III - classificaiton
occlusal erosion
4. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
occlusion pattern
canine guidance or protection
inflammation
centric relation
5. Teeth are misaligned when biting together
Malocclusion
osteoclast resorption
Working side
intercuspation
6. Associated with performance; all contacts during function of the oral cavity
class I
primary occlusal trauma
centric relation
functional occlusion
7. Retrognathic profile
An ideal curve of spee would be
class II
anterior crossbite
physiologic occlusion
8. Occlusal guard =
other names for centric occlusion
gingiva
hawley appliance
flush terminal plane
9. Maxillary overlap mandibular; whole arch
class II division I occlusion
class II
horizontal overlap
premature occlusal contact
10. Relationship of the teeth in opposite arches; static position
Malocclusion
left working movement
centric occlusion
physiologic occlusion
11. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
conditions that occur in class II - div I
Curve of Wilson
group function
Leeway space
12. Tongue thrusting; thumb sucking - pacifiers
fremitus
openbite
causes of open bite
Premature contact
13. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
flush terminal plane
traumatic overbite
malocclusion
Retrusion
14. Tooth positioned more lingual
excessive occlusal force
Premature contact
class II malocclusion
linguoversion
15. Patients show evidence or signs and syptoms of occ disease
class II division I occlusion
Curve of Spee
conditions that occur in class II - div I
pathologic occlusion
16. Widening of the PDL in areas under pressure results due to
osteoclast resorption
centric relation
gingiva
codestructive theory
17. Overlap of anterior teeth
conditions that occur in class III
crestal funneling
vertical overlap
Curve of Wilson
18. Buck teeth are common and are considered
From a frontal view - anterior teeth lean ___
class II malocclusion
moderate overbite
Condyles of the mandible continue grow ___than the maxilla
19. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
class III
Hereditary factors include
centric occlusion
supraversion
20. What is not affected by occ trauma
class III
codestructive theory
physiologic occlusion
gingiva
21. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
osteoclast resorption
Condyles of the mandible continue grow ___than the maxilla
occlusal trauma
labialversion or buccoversion
22. Horizontal
functional occlusion
centric relation
protrusive occlusion
Overjet is a ___ measurement
23. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
physiologic occlusion
Condyles of the mandible continue grow ___than the maxilla
Intercuspation
Misalignment of teeth
24. Mandibular molars and maxillary molars are even
Midline deviation
bone support
flush terminal plane
primate spaces
25. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
moderate overbite
causes of primary occlusal trauma
Working side
drifted mesial
26. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
group function
centric relation
drifted mesial
conditions that occur in class III
27. Tooth extracted
labialversion or buccoversion
secondary occlusal trauma
drifted mesial
class II - div 2
28. Excessive occ force with adequate bone support =
causes of primary occlusal trauma
primary occlusal trauma
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
normal curve of spee
29. Mandible moves to the right or left
functional contacts
Lateral excursion
other names for centric occlusion
occlusal trauma
30. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
divisions of parafunctional contacts
occlusion
Working side
Misalignment of teeth
31. Maximum touching of max and mand
normal overbite
centric occlusion - centric relation - protrusive and lateral movements
left working movement
interdigitation
32. Mandibular molars more distal than maxillary molars
occlusion pattern
distal step
primary occlusal trauma
Bilateral crossbite occurs on...
33. 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
canine relationship
mesial step
Abfraction
causes of primary occlusal trauma
34. Starts closer to premolars
Centric occlusion is also called
Misalignment of teeth
Maxillary posterior teeth vertical alignment
premature curve of spee
35. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
class II division I occlusion
Acromegaly
canine relationship
36. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
Underjet
premature curve of spee
linguoversion
37. Posterior; no horizontal overlap
inter-arch
vertical overlap
Protrusion
end to end
38. Tongue thrust or thumb sucking can cause
class II division I occlusion
canine guidance or protection
splinting
Lateral excursion
39. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
overjet
Leeway space
intercuspation
mesial step
40. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
gingiva
Retrusion
Occlusion can be affected by
Curve of Spee
41. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
group function
malocclusion
causes of primary occlusal trauma
hawley appliance
42. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Intercuspation
How the diastemas are closed up(including primates spaces)
Misalignment of teeth
Centric relation
43. Habitual - acquired - convenience - intercuspal & static
molar relationship
distal step
traumatogenic occlusion
other names for centric occlusion
44. During protrusive occ - ______ is considered undesirable
parafunctional contacts
canine relationship
posterior contact
Centric occlusion is also called
45. Vertical overlapping
Intercuspation
Crossbite
From a frontal view - anterior teeth lean ___
overbite
46. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
curve of wilson
anterior crossbite
centric occlusion - centric relation - protrusive and lateral movements
47. Rotated or twisted; rotated mesial or distal
labialversion or buccoversion
Bilateral crossbite occurs on...
From a frontal view - anterior teeth lean ___
torsoversion
48. Abnormal contacts; occlusal habits - and neuroses
parafunctional contacts
Hereditary factors include
Occlusion can be affected by
An ideal curve of spee would be
49. II (mal)occlusion
group function
Overbit
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
diastemas
50. Below occlusal plane
centric occlusion
infraversion
inflammation
functional contacts
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