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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. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
Retrusion
physiologic occlusion
Overjet is a ___ measurement
2. After periodontal sugery - mobility will ________
torsoversion
Overbite is a ___ measurement
Nonworking side
decrease over time
3. Mb cusp of max 1st molar-buccal groove of mand 1st molar
inter-arch
molar relationship
curve of monson
horizontal overlap
4. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Centric(habitual) occlusion
crossbite
occlusion
causes of open bite
5. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Overjet
conditions that occur in class I malocclusion
left working movement
centric relation
6. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
occlusion pattern
causes of primary occlusal trauma
crestal funneling
premature occlusal contact
7. 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
intercuspation
Occlusion can be affected by
splinting
Unilateral crossbite occurs when
8. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
malocclusion
interdigitation
premature curve of spee
9. 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
occlusion pattern
class II - div 2
functional contacts
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
10. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
class III - classificaiton
interdigitation
Occlusion can be affected by
conditions that occur in class I malocclusion
11. 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
centric occlusion
vertical overlap
conditions that occur in class III
12. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
Crossbite
premature curve of spee
Centric relation
curve of wilson
13. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
late curve of spee
Crossbite
overbite
14. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
divisions of parafunctional contacts
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
conditions that occur in class II - div 2
interdigitation
15. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
Bilateral crossbite occurs on...
overbite
occlusal trauma
16. Associated with performance; all contacts during function of the oral cavity
Misalignment of teeth
curve of wilson
Lateral excursion
functional occlusion
17. Occlusal guard =
pathologic tooth migration
decrease over time
hawley appliance
labialversion or buccoversion
18. Mandibular molars more distal than maxillary molars
overjet
distal step
malocclusion
splinting
19. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
linguoversion
pathologic tooth migration
tooth mobility
vertical overlap
20. Maximum interlocking of cusp
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
Overbite is a ___ measurement
intercuspation
Curve of Wilson
21. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
dynamic occlusion
Lateral excursion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Leeway space
22. 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
divisions of parafunctional contacts
end to end
late curve of spee
Attrition
23. Horizontal distance of anterior teeth in crossbite
Open bite
primate spaces
underjet
class II division I occlusion
24. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
late curve of spee
anterior teeth
gingiva
25. Mesognathic profile
primate spaces
class I
Malocclusion
Unilateral crossbite occurs when
26. 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
An ideal curve of spee would be
Hereditary factors include
splinting
conditions that occur in class I malocclusion
27. Vertical
crestal funneling
Overbite is a ___ measurement
divisions of parafunctional contacts
From a frontal view - anterior teeth lean ___
28. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
centric occlusion - centric relation - protrusive and lateral movements
open bite
Premature contact
29. Relationship of the teeth in opposite arches; static position
edge to edge
openbite
centric occlusion
class II
30. Lateral mvmt results in contact btwn the max and mand canines
Centric(habitual) occlusion
centric relation
Working side
canine guidance or protection
31. Habitual - acquired - convenience - intercuspal & static
Malocclusion
Dentures
other names for centric occlusion
Open bite
32. Middle 3rd
centric occlusion
functional occlusion
Dentures
moderate overbite
33. Incisal 3rd
distal step
traumatic overbite
conditions that occur in class I malocclusion
normal overbite
34. The side to which the mandible moves(chewing side)
Centric(habitual) occlusion
Unilateral crossbite occurs when
Working side
conditions that occur in class I malocclusion
35. Slight buccal inclination of crown - lingual inclination of root
interdigitation
Maxillary posterior teeth vertical alignment
posterior crossbite
overbite
36. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
occlusal trauma
flush terminal plane
Curve of Spee
Crossbite
37. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
Centric relation
conditions that occur in class II - div I
Bilateral crossbite occurs on...
38. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
class III - classificaiton
fremitus
class II - div 1
posterior contact
39. Above occlusal plane
class I
supraversion
gingiva
Overbit
40. Mvmt of the mandible in a direction anterior to centric occ
conditions that occur in class III
protrusive occlusion
drifted mesial
How the diastemas are closed up(including primates spaces)
41. Excessive occ force with adequate bone support =
primary occlusal trauma
hawley appliance
curve of spee
crestal funneling
42. Maximum touching of max and mand
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
vertical overlap
interdigitation
Condyles of the mandible continue grow ___than the maxilla
43. Primary teeth set ___________________ for permanent
How the diastemas are closed up(including primates spaces)
group function
occlusion pattern
parafunctional contacts
44. Relationship of the arches bone to bone;
vertical overlap
centric relation
leeway spaces
Maxillary posterior teeth vertical alignment
45. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
centric occlusion
occlusal trauma
traumatogenic occlusion
curve of wilson
46. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
centric occlusion
Overjet
class III - classificaiton
Premature contact
47. Tongue thrust or thumb sucking can cause
Bilateral crossbite occurs on...
class II division I occlusion
class III
Occlusion can be affected by
48. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
physiologic occlusion
infraversion
Centric relation
overbite
49. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
interdigitation
excessive occlusal force
horizontal overlap
functional occlusion
50. Measurement of horizontal overlap w/ probe
overjet
hawley appliance
divisions of parafunctional contacts
class II malocclusion