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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. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
horizontal overlap
osteoclast resorption
crossbite
primate spaces
2. Survival of the dentition despite its deviation from a preconceived hypothetical normal
class II - div 1
moderate overbite
physiologic 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
3. Individual teeth from each arch can be involved in ________________ malocclusion
diastemas
inter-arch
group function
functional occlusion
4. Anterior; no horizontal overlap
How the diastemas are closed up(including primates spaces)
curve of wilson
Mandibular posterior teeth vertical alignment
edge to edge
5. Usually indicative of moderate to sever perio and secondary occ trauma
centric relation
primary occlusal trauma
openbite
pathologic tooth migration
6. Tooth positioned more lingual
splinting
Centric(habitual) occlusion
linguoversion
normal curve of spee
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
class III
Retrusion
occlusion pattern
8. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
occlusal erosion
occlusal trauma
Curve of Spee
Condyles of the mandible continue grow ___than the maxilla
9. When no teeth are contacting on this side
posterior crossbite
Nonworking side
protrusive occlusion
class III - classificaiton
10. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
Working side
supraversion
dynamic occlusion
anterior crossbite
11. Guidance for protrusive occ should be on the
centric occlusion
anterior teeth
edge to edge
class I
12. Cusps of maxillary teeth directly over cusps of mandibular teeth
selective grinding or occlusal equilibration
Hereditary factors include
Protrusion
Edge to edge bite occurs when
13. Most common cause is when the maxilla does not grow in proportion to the mandible
infraversion
Leeway space
Crossbite
From a frontal view - anterior teeth lean ___
14. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
Condyles of the mandible continue grow ___than the maxilla
Malocclusion
codestructive theory
late curve of spee
15. Mandibular molars more distal than maxillary molars
crossbite
distal step
centric occlusion - centric relation - protrusive and lateral movements
edge to edge
16. Mandibular molars more mesial than maxillary molars (most children)
mesial step
premature curve of spee
primate spaces
Maxillary posterior teeth vertical alignment
17. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
Lateral excursion
An ideal curve of spee would be
causes of open bite
18. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
overbite
Attrition
centric occlusion
centric relation
19. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
centric occlusion
Condyles of the mandible continue grow ___than the maxilla
parafunctional contacts
20. II (mal)occlusion
Working side
fremitus
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
inter-arch
21. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
late curve of spee
Misalignment of teeth
Acromegaly
dynamic occlusion
22. Excessive occ force with adequate bone support =
primary occlusal trauma
Protrusion
crestal funneling
functional occlusion
23. Mb cusp of max 1st molar-buccal groove of mand 1st molar
premature curve of spee
molar relationship
Lateral excursion
torsoversion
24. Horizontal distance of anterior teeth in crossbite
parafunctional contacts
underjet
distal step
How the diastemas are closed up(including primates spaces)
25. 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
Maxillary posterior teeth vertical alignment
Overjet
moderate overbite
class II division I occlusion
26. 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
anterior crossbite
causes of open bite
Retrusion
physiologic occlusion
27. Rotated or twisted; rotated mesial or distal
centric relation
Condyles of the mandible continue grow ___than the maxilla
torsoversion
other names for centric occlusion
28. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
openbite
Acromegaly
traumatogenic occlusion
Protrusion
29. Later
Condyles of the mandible continue grow ___than the maxilla
overbite
functional occlusion
From a frontal view - anterior teeth lean ___
30. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II
functional occlusion
class II - div 1
inflammation
Overjet
31. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
interdigitation
tooth mobility
Overbite is a ___ measurement
occlusion
32. Horizontal
Glickman 1963
premature curve of spee
parafunctional contacts
Overjet is a ___ measurement
33. #10 & #23
openbite
Nonworking side
Acromegaly
parafunctional contacts
34. Mvmt of the mandible in a direction anterior to centric occ
Protrusion
curve of wilson
primate spaces
protrusive occlusion
35. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
decrease over time
functional occlusion
divisions of parafunctional contacts
occlusion pattern
36. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
class III
non working or balancing side
conditions that occur in class II - div I
curve of wilson
37. Mandibular molars and maxillary molars are even
class II
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
posterior crossbite
flush terminal plane
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
Attrition
functional occlusion
Misalignment of teeth
Glickman 1963
39. Below occlusal plane
osteoclast resorption
supraversion
infraversion
Abfraction
40. #7 - 26 - 27
linguoversion
gingiva
traumatic overbite
crossbite
41. Selective grinding should always be completed after ______ has been controlled
non working or balancing side
posterior contact
diastemas
inflammation
42. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
centric occlusion
primary occlusal trauma
gingiva
43. Spaces between two teeth
diastemas
temporalis and masseter
torsoversion
Mandibular posterior teeth vertical alignment
44. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
late curve of spee
normal curve of spee
Open bite
supraversion
45. Starts around the mesial of the 1st molar
Mandibular posterior teeth vertical alignment
normal curve of spee
functional occlusion
Malocclusion
46. Introduced the concept of codestruction
How the diastemas are closed up(including primates spaces)
posterior crossbite
Glickman 1963
flush terminal plane
47. Maximum touching of max and mand
interdigitation
conditions that occur in class III
functional contacts
Overjet
48. Maxillary - Mandibular - Facial
Hereditary factors include
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
class II division I occlusion
posterior contact
49. ____ is not a sign of occl trauma
tooth mobility
hawley appliance
occlusal erosion
splinting
50. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
Premature contact
anterior crossbite
How the diastemas are closed up(including primates spaces)