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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. During selective grinding - occlusion should be adjusted In what four relationships
tooth mobility
premature curve of spee
centric occlusion - centric relation - protrusive and lateral movements
underjet
2. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
inter-arch
occlusal trauma
Centric occlusion is also called
Premature contact
3. Both sides
class II
curve of spee
Bilateral crossbite occurs on...
Overjet
4. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Centric(habitual) occlusion
fremitus
occlusion
posterior crossbite
5. Mandibular molars more distal than maxillary molars
distal step
curve of monson
Retrusion
non working or balancing side
6. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
centric occlusion
Leeway space
physiologic occlusion
traumatic overbite
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
Centric relation
molar relationship
inflammation
8. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
centric occlusion
Acromegaly
functional occlusion
Open bite
9. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
premature curve of spee
Bilateral crossbite occurs on...
decrease over time
secondary occlusal trauma
10. Relationship of the teeth in opposite arches; static position
mesial step
class III
pathologic occlusion
centric occlusion
11. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
Overjet is a ___ measurement
Maxillary posterior teeth vertical alignment
dynamic occlusion
12. Occlusal guard =
infraversion
hawley appliance
Centric(habitual) occlusion
divisions of parafunctional contacts
13. Maximum interlocking of cusp
intercuspation
supraversion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Occlusion can be affected by
14. Curve spee & wilson - 3-d - not proven
centric occlusion - centric relation - protrusive and lateral movements
curve of monson
Retrusion
openbite
15. Mb cusp of max 1st molar-buccal groove of mand 1st molar
canine relationship
Retrusion
molar relationship
Centric relation
16. Vibrational mvmt of a tooth under occ function
canine relationship
fremitus
temporalis and masseter
class II division I occlusion
17. Maximum touching of max and mand
occlusal trauma
interdigitation
occlusion pattern
inter-arch
18. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
decrease over time
Curve of Spee
centric occlusion - centric relation - protrusive and lateral movements
interdigitation
19. 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
causes of open bite
Condyles of the mandible continue grow ___than the maxilla
molar relationship
class II - div 1
20. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
Mandibular posterior teeth vertical alignment
selective grinding or occlusal equilibration
group function
open bite
21. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
Protrusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
excessive occlusal force
22. When no teeth are contacting on this side
Nonworking side
Centric occlusion is also called
openbite
non working or balancing side
23. Maximal intercuspation or contact of the max and mand teeth
Attrition
traumatic overbite
centric occlusion
functional occlusion
24. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
curve of wilson
Glickman 1963
occlusal trauma
25. Retrognathic profile
gingiva
class II
curve of spee
horizontal overlap
26. Mandible moves to the right or left
horizontal overlap
protrusive occlusion
divisions of parafunctional contacts
Lateral excursion
27. Starts closer to premolars
premature curve of spee
traumatogenic occlusion
inter-arch
primate spaces
28. Associated with performance; all contacts during function of the oral cavity
Curve of Wilson
functional occlusion
primate spaces
openbite
29. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
inflammation
intercuspation
left working movement
30. Below occlusal plane
infraversion
overbite
malocclusion
class III
31. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Leeway space
horizontal overlap
parafunctional contacts
leeway spaces
32. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
occlusal trauma
malocclusion
selective grinding or occlusal equilibration
osteoclast resorption
33. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
canine guidance or protection
occlusal trauma
conditions that occur in class III
Curve of Wilson
34. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Malocclusion
conditions that occur in class III
normal overbite
excessive occlusal force
35. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
centric occlusion
drifted mesial
class II malocclusion
36. Spaces between two teeth
torsoversion
diastemas
splinting
centric relation
37. Abnormal contacts; occlusal habits - and neuroses
severe overbite
anterior crossbite
moderate overbite
parafunctional contacts
38. Need tooth to tooth contact on both working and non working sides to func effectively
Edge to edge bite occurs when
If the condyles continue to grow - extreme mesial step will turn into ___
Dentures
premature curve of spee
39. Anterior or posterior; bilateral or unitlateral - anterior more common
intercuspation
open bite
Lateral excursion
mesial step
40. Introduced the concept of codestruction
overbite
Glickman 1963
premature occlusal contact
functional contacts
41. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
centric relation
Condyles of the mandible continue grow ___than the maxilla
class III - classificaiton
42. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
conditions that occur in class II - div 2
From a frontal view - anterior teeth lean ___
normal curve of spee
curve of wilson
43. 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
Overbit
hypercementosis
Protrusion
If the condyles continue to grow - extreme mesial step will turn into ___
44. Lateral mvmt results in contacct of all posterior teeth
group function
torsoversion
Underjet
Condyles of the mandible continue grow ___than the maxilla
45. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
severe overbite
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
occlusal trauma
46. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
class II division I occlusion
Occlusion can be affected by
centric relation
Misalignment of teeth
47. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
centric relation
molar relationship
temporalis and masseter
48. Prognathic profile
class III
non working or balancing side
diastemas
Overbite is a ___ measurement
49. Patient forces teeth together in centric occlusion on one side to get a more functional bite and has a crossbite on the other side(the midline of the maxillary anterior teeth does not line up with the midlineof the mandible
Unilateral crossbite occurs when
curve of monson
other names for 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
50. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
physiologic occlusion
Acromegaly
normal overbite
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