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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
group function
conditions that occur in class II - div I
conditions that occur in class I malocclusion
Misalignment of teeth
2. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
Retrusion
codestructive theory
conditions that occur in class III
3. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
occlusion
primary occlusal trauma
class III - classificaiton
4. Later
Condyles of the mandible continue grow ___than the maxilla
left working movement
conditions that occur in class II - div 2
class II - div 1
5. Mandibular molars more distal than maxillary molars
crossbite
occlusal trauma
distal step
divisions of parafunctional contacts
6. Normal contacts between max. and mand. teeth; momentary contacts
Acromegaly
Working side
functional contacts
centric occlusion
7. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
linguoversion
Overbit
Misalignment of teeth
primate spaces
8. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Dentures
osteoclast resorption
Occlusion can be affected by
Centric occlusion is also called
9. Tongue thrusting; thumb sucking - pacifiers
supraversion
causes of open bite
inter-arch
mesial step
10. Tongue thrust or thumb sucking can cause
occlusal trauma
hypercementosis
Curve of Wilson
class II division I occlusion
11. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
late curve of spee
Leeway space
Nonworking side
occlusal erosion
12. Mandibular molars more mesial than maxillary molars (most children)
mesial step
osteoclast resorption
functional occlusion
Overjet is a ___ measurement
13. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
hawley appliance
Centric relation
Premature contact
canine guidance or protection
14. Vibrational mvmt of a tooth under occ function
fremitus
open bite
openbite
divisions of parafunctional contacts
15. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
overjet
flush terminal plane
Centric(habitual) occlusion
16. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
class II malocclusion
other names for centric occlusion
Acromegaly
parafunctional contacts
17. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
codestructive theory
From a frontal view - anterior teeth lean ___
leeway spaces
malocclusion
18. Maxillary anterior teeth stick out labially from tongue thrusting
curve of spee
curve of wilson
Protrusion
Attrition
19. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
gingiva
class II
canine relationship
Curve of Spee
20. Maximum interlocking of cusp
intercuspation
tooth mobility
Crossbite
horizontal overlap
21. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
Acromegaly
leeway spaces
labialversion or buccoversion
22. Maximum touching of max and mand
conditions that occur in class II - div I
interdigitation
openbite
open bite
23. Spaces between two teeth
causes of primary occlusal trauma
torsoversion
splinting
diastemas
24. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
occlusion
From a frontal view - anterior teeth lean ___
premature occlusal contact
Glickman 1963
25. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
How the diastemas are closed up(including primates spaces)
Open bite
torsoversion
distal step
26. Starts around the mesial of the 1st molar
normal curve of spee
pathologic occlusion
Misalignment of teeth
selective grinding or occlusal equilibration
27. ____ is not a sign of occl trauma
intercuspation
causes of primary occlusal trauma
occlusal erosion
class II - div 1
28. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Overjet is a ___ measurement
Centric occlusion is also called
moderate overbite
primary occlusal trauma
29. Overlap of anterior teeth
vertical overlap
traumatogenic occlusion
left working movement
secondary occlusal trauma
30. Widening of the PDL in areas under pressure results due to
osteoclast resorption
class III
Centric relation
posterior crossbite
31. Habitual - acquired - convenience - intercuspal & static
Open bite
other names for centric occlusion
late curve of spee
edge to edge
32. Anterior or posterior; bilateral or unitlateral - anterior more common
parafunctional contacts
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
open bite
inflammation
33. Mvmt of the mandible in a direction anterior to centric occ
Bilateral crossbite occurs on...
edge to edge
protrusive occlusion
bone support
34. Associated with performance; all contacts during function of the oral cavity
How the diastemas are closed up(including primates spaces)
functional occlusion
centric relation
Hereditary factors include
35. Below occlusal plane
inflammation
infraversion
selective grinding or occlusal equilibration
centric occlusion - centric relation - protrusive and lateral movements
36. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
decrease over time
occlusal trauma
group function
temporalis and masseter
37. Maxillary incisors are are lingual to mandibular incisors
Bilateral crossbite occurs on...
class III - classificaiton
Underjet
canine guidance or protection
38. Maxillary overlap mandibular; whole arch
horizontal overlap
left working movement
decrease over time
causes of open bite
39. 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
end to end
Overbite is a ___ measurement
Overjet
leeway spaces
40. Mb cusp of max 1st molar-buccal groove of mand 1st molar
conditions that occur in class II - div 2
From a frontal view - anterior teeth lean ___
flush terminal plane
molar relationship
41. Curve of the occlusal plane; from anterior to posterior - increases with age
Mandibular posterior teeth vertical alignment
An ideal curve of spee would be
Attrition
curve of spee
42. Tooth positioned more facial
labialversion or buccoversion
primate spaces
Overbit
horizontal overlap
43. Maximal intercuspation or contact of the max and mand teeth
centric occlusion
Leeway space
labialversion or buccoversion
inflammation
44. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Curve of Spee
divisions of parafunctional contacts
physiologic occlusion
canine relationship
45. Cervical 3rd
severe overbite
causes of primary occlusal trauma
traumatogenic occlusion
Condyles of the mandible continue grow ___than the maxilla
46. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
crossbite
normal overbite
conditions that occur in class I malocclusion
class III
47. 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
splinting
class II malocclusion
Lateral excursion
labialversion or buccoversion
48. Introduced the concept of codestruction
Edge to edge bite occurs when
Glickman 1963
functional occlusion
leeway spaces
49. 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
class II - div 2
molar relationship
crestal funneling
late curve of spee
50. During selective grinding - occlusion should be adjusted In what four relationships
normal overbite
Attrition
centric occlusion - centric relation - protrusive and lateral movements
functional occlusion