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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. Measurement of horizontal overlap w/ probe
Open bite
overjet
class II division I occlusion
Maxillary posterior teeth vertical alignment
2. Introduced the concept of codestruction
occlusal trauma
Curve of Wilson
openbite
Glickman 1963
3. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
class II
Centric occlusion is also called
Mandibular posterior teeth vertical alignment
occlusal erosion
4. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
bone support
premature occlusal contact
Malocclusion
Underjet
5. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Edge to edge bite occurs when
conditions that occur in class III
An ideal curve of spee would be
Abfraction
6. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
class II - div 1
centric relation
traumatic overbite
curve of wilson
7. Above occlusal plane
Nonworking side
If the condyles continue to grow - extreme mesial step will turn into ___
Intercuspation
supraversion
8. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Leeway space
canine relationship
curve of wilson
Misalignment of teeth
9. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
conditions that occur in class II - div 2
physiologic occlusion
centric occlusion
Curve of Spee
10. 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
splinting
group function
osteoclast resorption
crossbite
11. Later
Open bite
From a frontal view - anterior teeth lean ___
Condyles of the mandible continue grow ___than the maxilla
Occlusion can be affected by
12. Primary teeth set ___________________ for permanent
occlusal trauma
class II - div 2
occlusion pattern
splinting
13. After periodontal sugery - mobility will ________
decrease over time
selective grinding or occlusal equilibration
Occlusion can be affected by
hawley appliance
14. The side to which the mandible moves(chewing side)
If the condyles continue to grow - extreme mesial step will turn into ___
Misalignment of teeth
traumatogenic occlusion
Working side
15. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
From a frontal view - anterior teeth lean ___
leeway spaces
premature curve of spee
crestal funneling
16. Maximum interlocking of cusp
intercuspation
Misalignment of teeth
occlusal trauma
hawley appliance
17. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
curve of spee
class III - classificaiton
primate spaces
severe overbite
18. Cusps of maxillary teeth directly over cusps of mandibular teeth
openbite
Edge to edge bite occurs when
centric relation
Acromegaly
19. Laterally
From a frontal view - anterior teeth lean ___
overjet
crossbite
selective grinding or occlusal equilibration
20. Maxillary - Mandibular - Facial
late curve of spee
Protrusion
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
Misalignment of teeth
21. Anterior; no horizontal overlap
Open bite
edge to edge
fremitus
Intercuspation
22. Starts around the mesial of the 1st molar
horizontal overlap
How the diastemas are closed up(including primates spaces)
normal curve of spee
curve of monson
23. Functional occlusion
secondary occlusal trauma
Mandibular posterior teeth vertical alignment
dynamic occlusion
leeway spaces
24. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
tooth mobility
selective grinding or occlusal equilibration
moderate overbite
25. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
flush terminal plane
malocclusion
traumatic overbite
Condyles of the mandible continue grow ___than the maxilla
26. Curve spee & wilson - 3-d - not proven
causes of primary occlusal trauma
supraversion
Curve of Spee
curve of monson
27. Maxillary anterior teeth stick out labially from tongue thrusting
occlusal trauma
Protrusion
centric occlusion
pathologic tooth migration
28. Relationship of the arches bone to bone;
left working movement
hypercementosis
centric relation
overbite
29. Overlap of anterior teeth
Mandibular posterior teeth vertical alignment
normal overbite
vertical overlap
occlusal trauma
30. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
anterior crossbite
horizontal overlap
gingiva
centric relation
31. Vertical overlapping
causes of open bite
overbite
Mandibular posterior teeth vertical alignment
end to end
32. Most common cause is when the maxilla does not grow in proportion to the mandible
diastemas
inter-arch
Crossbite
curve of monson
33. Below occlusal plane
Premature contact
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
infraversion
centric relation
34. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
Hereditary factors include
late curve of spee
distal step
35. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
canine relationship
Underjet
conditions that occur in class II - div I
Malocclusion
36. ____ is not a sign of occl trauma
centric relation
end to end
Curve of Wilson
occlusal erosion
37. Posterior; no horizontal overlap
linguoversion
malocclusion
end to end
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
38. Vibrational mvmt of a tooth under occ function
gingiva
overbite
fremitus
Acromegaly
39. Mandibular molars more mesial than maxillary molars (most children)
splinting
posterior contact
mesial step
dynamic occlusion
40. Maximal intercuspation or contact of the max and mand teeth
Dentures
centric occlusion
hawley appliance
canine relationship
41. 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
mesial step
physiologic occlusion
Abfraction
pathologic occlusion
42. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
class II - div 1
secondary occlusal trauma
Occlusion can be affected by
43. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
openbite
premature occlusal contact
functional occlusion
Nonworking side
44. 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
How the diastemas are closed up(including primates spaces)
occlusal erosion
Retrusion
functional occlusion
45. Cervical 3rd
parafunctional contacts
leeway spaces
excessive occlusal force
severe overbite
46. Survival of the dentition despite its deviation from a preconceived hypothetical normal
distal step
occlusion pattern
physiologic occlusion
centric occlusion
47. Maxillary overlap mandibular; whole arch
Centric relation
Intercuspation
drifted mesial
horizontal overlap
48. Class III (mal)occlusion of permanent teeth
Premature contact
Curve of Spee
If the condyles continue to grow - extreme mesial step will turn into ___
tooth mobility
49. Both sides
Bilateral crossbite occurs on...
Glickman 1963
functional occlusion
conditions that occur in class I malocclusion
50. Excessive occ force with adequate bone support =
centric occlusion - centric relation - protrusive and lateral movements
splinting
primary occlusal trauma
posterior crossbite