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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.
If you are not ready to take this test, you can
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. Cervical 3rd
intercuspation
torsoversion
severe overbite
conditions that occur in class II - div I
2. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
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
conditions that occur in class II - div I
leeway spaces
Misalignment of teeth
3. Relationship of the arches bone to bone;
centric relation
selective grinding or occlusal equilibration
occlusal trauma
excessive occlusal force
4. Tongue thrust or thumb sucking can cause
centric relation
severe overbite
selective grinding or occlusal equilibration
class II division I occlusion
5. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
occlusion pattern
excessive occlusal force
primary occlusal trauma
6. Occlusal guard =
linguoversion
Misalignment of teeth
supraversion
hawley appliance
7. 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
class III - classificaiton
curve of monson
conditions that occur in class II - div 2
linguoversion
8. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
occlusal trauma
conditions that occur in class I malocclusion
leeway spaces
Leeway space
9. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
inter-arch
Acromegaly
occlusal erosion
conditions that occur in class II - div 2
10. Maximum interlocking of cusp
splinting
intercuspation
Leeway space
Misalignment of teeth
11. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
Underjet
Overjet is a ___ measurement
malocclusion
12. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
causes of open bite
traumatogenic occlusion
Underjet
parafunctional contacts
13. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
fremitus
Hereditary factors include
secondary occlusal trauma
occlusion
14. Horizontal
Overjet is a ___ measurement
Acromegaly
Glickman 1963
traumatogenic occlusion
15. During a left working movement - the right side is known as the
Centric(habitual) occlusion
posterior contact
non working or balancing side
curve of spee
16. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
drifted mesial
causes of primary occlusal trauma
end to end
Centric relation
17. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
curve of wilson
Occlusion can be affected by
Crossbite
centric occlusion
18. 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
Open bite
pathologic tooth migration
occlusion
Overbit
19. Starts closer to premolars
premature curve of spee
Misalignment of teeth
linguoversion
occlusal trauma
20. Vertical overlapping
divisions of parafunctional contacts
moderate overbite
excessive occlusal force
overbite
21. Tooth positioned more lingual
osteoclast resorption
mesial step
linguoversion
Maxillary posterior teeth vertical alignment
22. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
curve of monson
centric relation
functional occlusion
causes of primary occlusal trauma
23. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
normal curve of spee
occlusion
Overjet
tooth mobility
24. Mesognathic profile
physiologic occlusion
Malocclusion
leeway spaces
class I
25. Tongue thrusting; thumb sucking - pacifiers
Abfraction
causes of open bite
Underjet
flush terminal plane
26. Maximal intercuspation or contact of the max and mand teeth
pathologic tooth migration
occlusal trauma
centric occlusion
class II malocclusion
27. Buck teeth are common and are considered
protrusive occlusion
molar relationship
fremitus
class II malocclusion
28. Selective grinding should always be completed after ______ has been controlled
premature curve of spee
inflammation
Occlusion can be affected by
parafunctional contacts
29. Incisal 3rd
Midline deviation
Maxillary posterior teeth vertical alignment
Curve of Spee
normal overbite
30. 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
posterior crossbite
Maxillary posterior teeth vertical alignment
class II - div 2
causes of primary occlusal trauma
31. The way you normally bite your teeth together when not chewing
conditions that occur in class II - div 2
conditions that occur in class III
Centric(habitual) occlusion
curve of monson
32. ____ is not a sign of occl trauma
Underjet
canine relationship
class II - div 1
occlusal erosion
33. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
crossbite
causes of primary occlusal trauma
Open bite
malocclusion
34. 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
Retrusion
An ideal curve of spee would be
Lateral excursion
splinting
35. Normal contacts between max. and mand. teeth; momentary contacts
occlusion
parafunctional contacts
functional contacts
late curve of spee
36. #7 - 26 - 27
fremitus
crossbite
other names for centric occlusion
supraversion
37. Widening of the PDL in areas under pressure results due to
causes of primary occlusal trauma
distal step
osteoclast resorption
Dentures
38. During protrusive occ - ______ is considered undesirable
divisions of parafunctional contacts
left working movement
posterior contact
supraversion
39. Primary teeth set ___________________ for permanent
centric relation
Hereditary factors include
hypercementosis
occlusion pattern
40. When no teeth are contacting on this side
Nonworking side
malocclusion
labialversion or buccoversion
Open bite
41. Habitual - acquired - convenience - intercuspal & static
divisions of parafunctional contacts
other names for centric occlusion
pathologic tooth migration
traumatogenic occlusion
42. Starts closer to the posterior of the 1st molar
Acromegaly
divisions of parafunctional contacts
dynamic occlusion
late curve of spee
43. Abnormal contacts; occlusal habits - and neuroses
parafunctional contacts
traumatogenic occlusion
overbite
late curve of spee
44. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
physiologic occlusion
Hereditary factors include
edge to edge
45. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
If the condyles continue to grow - extreme mesial step will turn into ___
vertical overlap
Misalignment of teeth
Overjet
46. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
Centric occlusion is also called
premature occlusal contact
linguoversion
47. Tooth extracted
fremitus
selective grinding or occlusal equilibration
drifted mesial
class III - classificaiton
48. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
functional occlusion
non working or balancing side
class III
49. What is not affected by occ trauma
gingiva
centric relation
Acromegaly
Nonworking side
50. Prognathic profile
moderate overbite
class III
Open bite
How the diastemas are closed up(including primates spaces)
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