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Test your basic knowledge |
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. Horizontal distance of anterior teeth in crossbite
Nonworking side
underjet
anterior teeth
overjet
2. Starts closer to premolars
primary occlusal trauma
premature curve of spee
canine relationship
Retrusion
3. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
canine relationship
supraversion
functional occlusion
normal overbite
4. Mandible moves to the right or left
Lateral excursion
Crossbite
overjet
curve of monson
5. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
How the diastemas are closed up(including primates spaces)
interdigitation
canine guidance or protection
divisions of parafunctional contacts
6. Mandibular molars and maxillary molars are even
occlusion
flush terminal plane
normal overbite
occlusion pattern
7. Both sides
Curve of Wilson
canine relationship
Bilateral crossbite occurs on...
class III - classificaiton
8. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
moderate overbite
Acromegaly
Condyles of the mandible continue grow ___than the maxilla
causes of primary occlusal trauma
9. ____ is not a sign of occl trauma
inter-arch
linguoversion
Malocclusion
occlusal erosion
10. Cervical 3rd
Glickman 1963
causes of primary occlusal trauma
Curve of Spee
severe overbite
11. Survival of the dentition despite its deviation from a preconceived hypothetical normal
gingiva
physiologic occlusion
Centric(habitual) occlusion
severe overbite
12. When no teeth are contacting on this side
edge to edge
Centric occlusion is also called
centric occlusion - centric relation - protrusive and lateral movements
Nonworking side
13. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
occlusion
posterior contact
posterior crossbite
selective grinding or occlusal equilibration
14. Functional occlusion
hypercementosis
parafunctional contacts
class II division I occlusion
dynamic occlusion
15. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
Hereditary factors include
inter-arch
drifted mesial
tooth mobility
16. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
late curve of spee
gingiva
traumatic overbite
17. Widening of the PDL in areas under pressure results due to
mesial step
osteoclast resorption
decrease over time
curve of wilson
18. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
codestructive theory
anterior crossbite
labialversion or buccoversion
Premature contact
19. Teeth are misaligned when biting together
osteoclast resorption
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
flush terminal plane
Malocclusion
20. A tooth that occludes with an opposing tooth before full closure is achieved in centric 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
premature occlusal contact
late curve of spee
21. Normal contacts between max. and mand. teeth; momentary contacts
primate spaces
causes of primary occlusal trauma
functional contacts
Centric occlusion is also called
22. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
occlusal erosion
class II division I occlusion
Midline deviation
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
premature occlusal contact
torsoversion
Intercuspation
dynamic occlusion
24. 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
Curve of Spee
occlusal trauma
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
25. Vertical overlapping
overbite
conditions that occur in class I malocclusion
conditions that occur in class III
Premature contact
26. 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
class III
An ideal curve of spee would be
class II - div 1
dynamic occlusion
27. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Glickman 1963
Curve of Spee
non working or balancing side
torsoversion
28. Usually indicative of moderate to sever perio and secondary occ trauma
overjet
pathologic tooth migration
Retrusion
Overbite is a ___ measurement
29. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
moderate overbite
conditions that occur in class II - div 2
premature curve of spee
splinting
30. Need tooth to tooth contact on both working and non working sides to func effectively
intercuspation
Dentures
class II - div 1
normal overbite
31. The side to which the mandible moves(chewing side)
labialversion or buccoversion
anterior teeth
supraversion
Working side
32. 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
protrusive occlusion
drifted mesial
Centric(habitual) occlusion
class III - classificaiton
33. Spaces between two teeth
class I
diastemas
pathologic occlusion
torsoversion
34. Patients show evidence or signs and syptoms of occ disease
left working movement
Working side
Lateral excursion
pathologic occlusion
35. After periodontal sugery - mobility will ________
functional occlusion
decrease over time
centric relation
crossbite
36. The permanent molars erupt posterior to the primary teeth and push them all mesially
traumatic overbite
normal overbite
class II
How the diastemas are closed up(including primates spaces)
37. Measurement of horizontal overlap w/ probe
Maxillary posterior teeth vertical alignment
overjet
drifted mesial
secondary occlusal trauma
38. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
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
tooth mobility
flush terminal plane
traumatic overbite
39. Overlap of anterior teeth
vertical overlap
conditions that occur in class III
Mandibular posterior teeth vertical alignment
hawley appliance
40. Tongue thrusting; thumb sucking - pacifiers
gingiva
end to end
causes of open bite
bone support
41. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Condyles of the mandible continue grow ___than the maxilla
labialversion or buccoversion
class II - div 1
Hereditary factors include
42. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
functional occlusion
primate spaces
openbite
Malocclusion
43. During selective grinding - occlusion should be adjusted In what four relationships
end to end
centric occlusion - centric relation - protrusive and lateral movements
An ideal curve of spee would be
Overbite is a ___ measurement
44. Radiographically - the PDL space is wider at the coronal third of the root
molar relationship
codestructive theory
parafunctional contacts
crestal funneling
45. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
fremitus
posterior crossbite
excessive occlusal force
late curve of spee
46. Tooth positioned more facial
Mandibular posterior teeth vertical alignment
Malocclusion
moderate overbite
labialversion or buccoversion
47. Cusps of maxillary teeth directly over cusps of mandibular teeth
excessive occlusal force
Open bite
Edge to edge bite occurs when
left working movement
48. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
posterior contact
Retrusion
mesial step
49. Posterior; no horizontal overlap
premature curve of spee
end to end
Malocclusion
Condyles of the mandible continue grow ___than the maxilla
50. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Attrition
torsoversion
Occlusion can be affected by
Overjet
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