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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. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
intercuspation
Leeway space
Curve of Spee
conditions that occur in class II - div I
2. Retrognathic profile
Lateral excursion
class II
pathologic occlusion
centric occlusion - centric relation - protrusive and lateral movements
3. Lateral mvmt results in contacct of all posterior teeth
supraversion
other names for centric occlusion
group function
dynamic occlusion
4. Most common cause is when the maxilla does not grow in proportion to the mandible
Occlusion can be affected by
physiologic occlusion
Crossbite
Dentures
5. Relationship of teeth in which the incisal ridges or buccal cusp ridges of the maxillary anterior teeth extend facially to the incisal ridges/cusps of the mandibular teeth when the teeth are in centric occlusion relationship
Overjet
codestructive theory
Open bite
curve of monson
6. Tooth positioned more facial
Lateral excursion
Curve of Wilson
labialversion or buccoversion
normal curve of spee
7. Survival of the dentition despite its deviation from a preconceived hypothetical normal
centric relation
physiologic occlusion
posterior crossbite
openbite
8. Normal contacts between max. and mand. teeth; momentary contacts
osteoclast resorption
functional contacts
occlusion pattern
crossbite
9. Horizontal distance of anterior teeth in crossbite
temporalis and masseter
Overbit
underjet
physiologic occlusion
10. 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
normal curve of spee
moderate overbite
Underjet
11. Excessive occ force with adequate bone support =
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
primary occlusal trauma
distal step
temporalis and masseter
12. The way you normally bite your teeth together when not chewing
class II
Abfraction
Centric(habitual) occlusion
excessive occlusal force
13. Relationship of the arches bone to bone;
posterior contact
centric relation
Protrusion
Working side
14. Mandibular molars more mesial than maxillary molars (most children)
canine relationship
Midline deviation
mesial step
Centric(habitual) occlusion
15. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
posterior crossbite
Misalignment of teeth
Centric occlusion is also called
causes of open bite
16. Starts around the mesial of the 1st molar
Centric relation
normal curve of spee
Unilateral crossbite occurs when
functional contacts
17. Above occlusal plane
Overbite is a ___ measurement
supraversion
hypercementosis
Hereditary factors include
18. 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
late curve of spee
Attrition
secondary occlusal trauma
Hereditary factors include
19. Guidance for protrusive occ should be on the
inflammation
anterior teeth
Centric(habitual) occlusion
functional contacts
20. Vertical overlapping
overbite
crestal funneling
occlusion pattern
pathologic occlusion
21. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Underjet
Midline deviation
divisions of parafunctional contacts
anterior crossbite
22. When no teeth are contacting on this side
openbite
Overjet
occlusion pattern
Nonworking side
23. Teeth are misaligned when biting together
Malocclusion
posterior crossbite
normal overbite
diastemas
24. Mesially - Labially
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
labialversion or buccoversion
distal step
Underjet
25. Muscles that work the jaw; may become sore due to occ trauma
curve of spee
Crossbite
temporalis and masseter
causes of open bite
26. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
vertical overlap
Malocclusion
physiologic occlusion
27. Maximum interlocking of cusp
intercuspation
occlusal trauma
Centric(habitual) occlusion
canine guidance or protection
28. Anterior; no horizontal overlap
An ideal curve of spee would be
pathologic occlusion
edge to edge
traumatogenic occlusion
29. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Retrusion
drifted mesial
codestructive theory
excessive occlusal force
30. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
primary occlusal trauma
centric relation
curve of spee
fremitus
31. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
open bite
anterior crossbite
malocclusion
end to end
32. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
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
Curve of Wilson
tooth mobility
overbite
33. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
normal curve of spee
openbite
class II
34. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
curve of wilson
Centric occlusion is also called
crestal funneling
Retrusion
35. Introduced the concept of codestruction
How the diastemas are closed up(including primates spaces)
normal curve of spee
Glickman 1963
conditions that occur in class II - div 2
36. Crowns tipped lingually - roots tipped laterally
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Mandibular posterior teeth vertical alignment
overbite
class I
37. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
class III - classificaiton
traumatogenic occlusion
infraversion
Overbite is a ___ measurement
38. Functional occlusion
non working or balancing side
anterior crossbite
Acromegaly
dynamic occlusion
39. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
anterior crossbite
posterior crossbite
Condyles of the mandible continue grow ___than the maxilla
anterior teeth
40. Maxillary incisors are are lingual to mandibular incisors
overjet
dynamic occlusion
Underjet
conditions that occur in class II - div I
41. 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 I malocclusion
occlusion pattern
infraversion
conditions that occur in class II - div 2
42. Posterior; no horizontal overlap
curve of monson
end to end
class II
osteoclast resorption
43. Maxillary overlap mandibular; whole arch
molar relationship
horizontal overlap
excessive occlusal force
occlusion pattern
44. Later
late curve of spee
open bite
Condyles of the mandible continue grow ___than the maxilla
group function
45. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
Centric relation
pathologic occlusion
crossbite
46. Curve of the occlusal plane; from anterior to posterior - increases with age
Occlusion can be affected by
overbite
curve of spee
Centric(habitual) occlusion
47. Prognathic profile
occlusion
class III
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
hypercementosis
48. 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
Retrusion
bone support
From a frontal view - anterior teeth lean ___
crossbite
49. Lateral mvmt results in contact btwn the max and mand canines
occlusal trauma
canine guidance or protection
Open bite
conditions that occur in class II - div 2
50. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
intercuspation
Maxillary posterior teeth vertical alignment
interdigitation