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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
functional contacts
causes of open bite
class III - classificaiton
physiologic occlusion
2. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
curve of monson
drifted mesial
Intercuspation
occlusal trauma
3. Posterior; no horizontal overlap
curve of monson
centric occlusion
splinting
end to end
4. Max canine occludes with mand. canine and mand. 1st premolar.
class II
canine relationship
If the condyles continue to grow - extreme mesial step will turn into ___
conditions that occur in class II - div I
5. Crowns tipped lingually - roots tipped laterally
severe overbite
Mandibular posterior teeth vertical alignment
centric occlusion - centric relation - protrusive and lateral movements
Premature contact
6. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Bilateral crossbite occurs on...
Acromegaly
torsoversion
occlusal trauma
7. Associated with performance; all contacts during function of the oral cavity
Misalignment of teeth
functional occlusion
other names for centric occlusion
Protrusion
8. Excessive occ force with adequate bone support =
horizontal overlap
anterior crossbite
drifted mesial
primary occlusal trauma
9. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
infraversion
Unilateral crossbite occurs when
inflammation
10. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
gingiva
causes of primary occlusal trauma
class III - classificaiton
horizontal overlap
11. Most common cause is when the maxilla does not grow in proportion to the mandible
Acromegaly
premature occlusal contact
Crossbite
occlusal trauma
12. Maxillary incisors are are lingual to mandibular incisors
functional contacts
distal step
Underjet
non working or balancing side
13. Tooth extracted
open bite
decrease over time
drifted mesial
parafunctional contacts
14. The side to which the mandible moves(chewing side)
canine guidance or protection
Edge to edge bite occurs when
Working side
drifted mesial
15. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
parafunctional contacts
Condyles of the mandible continue grow ___than the maxilla
interdigitation
tooth mobility
16. #7 - 26 - 27
Glickman 1963
centric relation
crossbite
end to end
17. Relationship of the teeth in opposite arches; static position
functional contacts
centric occlusion
occlusion pattern
bone support
18. Cusps of maxillary teeth directly over cusps of mandibular teeth
curve of monson
Dentures
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Edge to edge bite occurs when
19. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
interdigitation
class I
gingiva
20. Functional occlusion
conditions that occur in class III
labialversion or buccoversion
crestal funneling
dynamic occlusion
21. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Underjet
How the diastemas are closed up(including primates spaces)
parafunctional contacts
Intercuspation
22. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Unilateral crossbite occurs when
moderate overbite
class II - div 2
Misalignment of teeth
23. Occlusal guard =
Mandibular posterior teeth vertical alignment
How the diastemas are closed up(including primates spaces)
moderate overbite
hawley appliance
24. Maxillary overlap mandibular; whole arch
horizontal overlap
Retrusion
centric relation
curve of monson
25. Anterior; no horizontal overlap
class III - classificaiton
edge to edge
secondary occlusal trauma
Premature contact
26. 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
Unilateral crossbite occurs when
Overbit
secondary occlusal trauma
flush terminal plane
27. Mandibular molars more mesial than maxillary molars (most children)
class III - classificaiton
diastemas
bone support
mesial step
28. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
torsoversion
selective grinding or occlusal equilibration
leeway spaces
29. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
normal curve of spee
curve of monson
hypercementosis
30. Mandibular molars more distal than maxillary molars
distal step
Bilateral crossbite occurs on...
open bite
An ideal curve of spee would be
31. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
tooth mobility
overjet
Centric occlusion is also called
distal step
32. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
Hereditary factors include
codestructive theory
Unilateral crossbite occurs when
33. Primary teeth set ___________________ for permanent
selective grinding or occlusal equilibration
Unilateral crossbite occurs when
occlusion pattern
conditions that occur in class III
34. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
linguoversion
osteoclast resorption
occlusal trauma
moderate overbite
35. 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
Mandibular posterior teeth vertical alignment
osteoclast resorption
Retrusion
splinting
36. A continuation of the spee of to extend through the condyle
dynamic occlusion
An ideal curve of spee would be
distal step
canine guidance or protection
37. Above occlusal plane
supraversion
physiologic occlusion
centric relation
Abfraction
38. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed
Abfraction
osteoclast resorption
Attrition
openbite
39. Buck teeth are common and are considered
distal step
edge to edge
curve of spee
class II malocclusion
40. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
functional occlusion
From a frontal view - anterior teeth lean ___
open bite
41. Introduced the concept of codestruction
Glickman 1963
open bite
Overjet is a ___ measurement
crestal funneling
42. During a left working movement - the right side is known as the
Centric(habitual) occlusion
distal step
non working or balancing side
open bite
43. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
leeway spaces
conditions that occur in class I malocclusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
excessive occlusal force
44. Difference between primary and secondary occ trauma
causes of primary occlusal trauma
Centric occlusion is also called
divisions of parafunctional contacts
bone support
45. Relationship of the arches bone to bone;
Attrition
inflammation
curve of spee
centric relation
46. Maximum interlocking of cusp
normal curve of spee
infraversion
decrease over time
intercuspation
47. Tooth positioned more facial
labialversion or buccoversion
group function
occlusal trauma
premature occlusal contact
48. Later
inflammation
Condyles of the mandible continue grow ___than the maxilla
Protrusion
Curve of Spee
49. Lateral mvmt results in contacct of all posterior teeth
inter-arch
group function
Working side
Curve of Spee
50. During selective grinding - occlusion should be adjusted In what four relationships
normal overbite
late curve of spee
primate spaces
centric occlusion - centric relation - protrusive and lateral movements