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Test your basic knowledge |
Dentistry Occlusion
Start Test
Study First
Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
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. Associated with performance; all contacts during function of the oral cavity
flush terminal plane
pathologic tooth migration
functional occlusion
How the diastemas are closed up(including primates spaces)
2. Retrognathic profile
leeway spaces
bone support
inter-arch
class II
3. Maximum interlocking of cusp
vertical overlap
Dentures
codestructive theory
intercuspation
4. Mvmt of the mandible in a direction anterior to centric occ
Hereditary factors include
other names for centric occlusion
curve of wilson
protrusive occlusion
5. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
conditions that occur in class II - div I
Occlusion can be affected by
How the diastemas are closed up(including primates spaces)
diastemas
6. Laterally
Overjet
non working or balancing side
curve of wilson
From a frontal view - anterior teeth lean ___
7. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
functional occlusion
molar relationship
anterior teeth
8. Abnormal contacts; occlusal habits - and neuroses
labialversion or buccoversion
parafunctional contacts
diastemas
Centric(habitual) occlusion
9. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Maxillary posterior teeth vertical alignment
Intercuspation
centric occlusion
molar relationship
10. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Hereditary factors include
Misalignment of teeth
anterior crossbite
Retrusion
11. Cervical 3rd
class II - div 2
From a frontal view - anterior teeth lean ___
bone support
severe overbite
12. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
dynamic occlusion
leeway spaces
selective grinding or occlusal equilibration
13. Posterior; no horizontal overlap
end to end
occlusion
curve of spee
centric occlusion - centric relation - protrusive and lateral movements
14. Relationship of the teeth in opposite arches; static position
centric occlusion
Occlusion can be affected by
class I
conditions that occur in class III
15. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
malocclusion
divisions of parafunctional contacts
Centric occlusion is also called
16. Horizontal
vertical overlap
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
Overjet is a ___ measurement
17. 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
open bite
group function
curve of spee
splinting
18. Habitual - acquired - convenience - intercuspal & static
Intercuspation
other names for centric occlusion
Centric relation
moderate overbite
19. #10 & #23
secondary occlusal trauma
molar relationship
openbite
centric occlusion - centric relation - protrusive and lateral movements
20. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
moderate overbite
infraversion
malocclusion
Overjet is a ___ measurement
21. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
protrusive occlusion
Acromegaly
excessive occlusal force
tooth mobility
22. 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
Intercuspation
centric occlusion
Overbite is a ___ measurement
23. Horizontal distance of anterior teeth in crossbite
Abfraction
underjet
Protrusion
Overjet
24. A continuation of the spee of to extend through the condyle
premature occlusal contact
linguoversion
inflammation
An ideal curve of spee would be
25. Mandibular molars more distal than maxillary molars
distal step
Acromegaly
Malocclusion
Retrusion
26. During selective grinding - occlusion should be adjusted In what four relationships
traumatogenic occlusion
Occlusion can be affected by
crestal funneling
centric occlusion - centric relation - protrusive and lateral movements
27. Guidance for protrusive occ should be on the
Hereditary factors include
anterior teeth
open bite
Curve of Wilson
28. Vibrational mvmt of a tooth under occ function
Crossbite
canine relationship
physiologic occlusion
fremitus
29. Vertical
Overbite is a ___ measurement
curve of monson
leeway spaces
hawley appliance
30. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
interdigitation
protrusive occlusion
centric occlusion
31. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
protrusive 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
Overjet is a ___ measurement
premature occlusal contact
32. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
malocclusion
canine relationship
codestructive theory
Overbite is a ___ measurement
33. Curve spee & wilson - 3-d - not proven
decrease over time
How the diastemas are closed up(including primates spaces)
curve of monson
class II malocclusion
34. 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
centric relation
posterior contact
class II division I occlusion
35. If the mandible moves to the left - the mvmt is known as a left working movement
dynamic occlusion
end to end
linguoversion
left working movement
36. Buck teeth are common and are considered
class II malocclusion
functional occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
codestructive theory
37. Spaces between two teeth
molar relationship
leeway spaces
diastemas
anterior teeth
38. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Hereditary factors include
Protrusion
occlusion
centric occlusion - centric relation - protrusive and lateral movements
39. Middle 3rd
Working side
moderate overbite
crossbite
intercuspation
40. Above occlusal plane
traumatic overbite
Curve of Wilson
supraversion
primary occlusal trauma
41. Anterior; no horizontal overlap
edge to edge
crossbite
premature curve of spee
Overbite is a ___ measurement
42. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
occlusion
Nonworking side
traumatic overbite
class III
43. The side to which the mandible moves(chewing side)
Underjet
Working side
inflammation
infraversion
44. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
Occlusion can be affected by
Unilateral crossbite occurs when
centric relation
From a frontal view - anterior teeth lean ___
45. Tongue thrusting; thumb sucking - pacifiers
conditions that occur in class I malocclusion
causes of open bite
Curve of Spee
other names for centric occlusion
46. 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
canine relationship
severe overbite
Curve of Wilson
Retrusion
47. 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
end to end
class II - div 2
anterior crossbite
crossbite
48. ____ is not a sign of occl trauma
From a frontal view - anterior teeth lean ___
labialversion or buccoversion
curve of monson
occlusal erosion
49. Below occlusal plane
Underjet
infraversion
class II malocclusion
normal curve of spee
50. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
decrease over time
openbite
Overjet is a ___ measurement
Intercuspation