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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. Tongue thrusting; thumb sucking - pacifiers
other names for centric occlusion
class II - div 2
causes of open bite
Midline deviation
2. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
Glickman 1963
physiologic occlusion
Working side
centric relation
3. Functional occlusion
non working or balancing side
severe overbite
Open bite
dynamic occlusion
4. Abnormal contacts; occlusal habits - and neuroses
hawley appliance
parafunctional contacts
divisions of parafunctional contacts
inflammation
5. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
leeway spaces
supraversion
excessive occlusal force
divisions of parafunctional contacts
6. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal trauma
Overjet
Centric(habitual) occlusion
traumatic overbite
7. 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
Nonworking side
conditions that occur in class I malocclusion
Misalignment of teeth
8. Primary teeth set ___________________ for permanent
parafunctional contacts
occlusion pattern
Underjet
Glickman 1963
9. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
posterior crossbite
molar relationship
traumatogenic occlusion
10. 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
How the diastemas are closed up(including primates spaces)
inter-arch
class II - div 2
occlusal trauma
11. Incisal 3rd
Edge to edge bite occurs when
Protrusion
centric occlusion - centric relation - protrusive and lateral movements
normal overbite
12. Introduced the concept of codestruction
How the diastemas are closed up(including primates spaces)
Glickman 1963
occlusal trauma
centric occlusion
13. Need tooth to tooth contact on both working and non working sides to func effectively
distal step
Dentures
occlusal trauma
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
14. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
Open bite
non working or balancing side
occlusal trauma
15. Usually indicative of moderate to sever perio and secondary occ trauma
infraversion
pathologic tooth migration
functional occlusion
curve of monson
16. 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
intercuspation
Condyles of the mandible continue grow ___than the maxilla
splinting
edge to edge
17. Starts closer to premolars
centric relation
Bilateral crossbite occurs on...
canine relationship
premature curve of spee
18. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
intercuspation
infraversion
inflammation
19. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
Edge to edge bite occurs when
non working or balancing side
hypercementosis
20. 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
leeway spaces
centric occlusion
intercuspation
Retrusion
21. Guidance for protrusive occ should be on the
torsoversion
anterior teeth
Hereditary factors include
centric occlusion - centric relation - protrusive and lateral movements
22. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Protrusion
posterior crossbite
temporalis and masseter
centric relation
23. Anterior or posterior; bilateral or unitlateral - anterior more common
inflammation
tooth mobility
open bite
Centric relation
24. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
moderate overbite
Curve of Wilson
functional occlusion
Occlusion can be affected by
25. When no teeth are contacting on this side
late curve of spee
Nonworking side
Overjet
gingiva
26. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
functional occlusion
Midline deviation
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
27. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
parafunctional contacts
conditions that occur in class I malocclusion
flush terminal plane
primate spaces
28. Radiographically - the PDL space is wider at the coronal third of the root
How the diastemas are closed up(including primates spaces)
crestal funneling
torsoversion
canine relationship
29. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
flush terminal plane
curve of spee
Premature contact
30. Tooth positioned more lingual
gingiva
curve of spee
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
linguoversion
31. Most common cause is when the maxilla does not grow in proportion to the mandible
normal overbite
Occlusion can be affected by
Crossbite
torsoversion
32. Mandibular molars more mesial than maxillary molars (most children)
Overjet is a ___ measurement
class II division I occlusion
mesial step
Centric(habitual) occlusion
33. Lateral mvmt results in contact btwn the max and mand canines
If the condyles continue to grow - extreme mesial step will turn into ___
tooth mobility
canine guidance or protection
inflammation
34. Excessive occ force with adequate bone support =
moderate overbite
open bite
primary occlusal trauma
end to end
35. 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
divisions of parafunctional contacts
Abfraction
edge to edge
drifted mesial
36. Maximum touching of max and mand
Open bite
Acromegaly
interdigitation
Bilateral crossbite occurs on...
37. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
inflammation
centric occlusion - centric relation - protrusive and lateral movements
curve of spee
38. Relationship of the arches bone to bone;
intercuspation
Curve of Spee
physiologic occlusion
centric relation
39. Curve spee & wilson - 3-d - not proven
functional contacts
curve of monson
traumatic overbite
Centric(habitual) occlusion
40. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
occlusal trauma
functional occlusion
Premature contact
traumatic overbite
41. Tooth extracted
conditions that occur in class II - div 2
drifted mesial
Lateral excursion
class II - div 2
42. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
physiologic occlusion
Open bite
overbite
pathologic tooth migration
43. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
Leeway space
other names for centric occlusion
secondary occlusal trauma
moderate overbite
44. Maxillary incisors are are lingual to mandibular incisors
protrusive occlusion
Hereditary factors include
Underjet
An ideal curve of spee would be
45. 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
premature occlusal contact
From a frontal view - anterior teeth lean ___
leeway spaces
46. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
class II
molar relationship
centric occlusion - centric relation - protrusive and lateral movements
47. Mesognathic profile
interdigitation
Unilateral crossbite occurs when
class I
Condyles of the mandible continue grow ___than the maxilla
48. Max canine occludes with mand. canine and mand. 1st premolar.
drifted mesial
centric relation
canine relationship
flush terminal plane
49. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
Protrusion
class II - div 1
functional occlusion
codestructive theory
50. Habitual - acquired - convenience - intercuspal & static
occlusal trauma
other names for centric occlusion
primary occlusal trauma
end to end