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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. Measurement of horizontal overlap w/ probe
overjet
hawley appliance
Hereditary factors include
Underjet
2. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Attrition
secondary occlusal trauma
excessive occlusal force
Hereditary factors include
3. Tooth extracted
Intercuspation
drifted mesial
class III - classificaiton
intercuspation
4. Mesially - Labially
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
decrease over time
bone support
curve of spee
5. Mandible moves to the right or left
occlusion pattern
class II division I occlusion
centric relation
Lateral excursion
6. Contact between maxillary incisors does not line up with contact of mandibular incisors
class II malocclusion
excessive occlusal force
Midline deviation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
7. Horizontal
Overjet is a ___ measurement
mesial step
Protrusion
traumatic overbite
8. Introduced the concept of codestruction
Glickman 1963
moderate overbite
Unilateral crossbite occurs when
class III - classificaiton
9. Starts around the mesial of the 1st molar
Centric occlusion is also called
Acromegaly
Overbit
normal curve of spee
10. Mesognathic profile
primary occlusal trauma
class I
diastemas
tooth mobility
11. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
non working or balancing side
Maxillary posterior teeth vertical alignment
Acromegaly
late curve of spee
12. 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
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
divisions of parafunctional contacts
other names for centric occlusion
13. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
horizontal overlap
infraversion
Premature contact
temporalis and masseter
14. The side to which the mandible moves(chewing side)
open bite
physiologic occlusion
anterior teeth
Working side
15. Later
class II division I occlusion
class III
Condyles of the mandible continue grow ___than the maxilla
severe overbite
16. 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
curve of spee
other names for centric occlusion
Acromegaly
class II - div 1
17. The permanent molars erupt posterior to the primary teeth and push them all mesially
class II - div 2
codestructive theory
bone support
How the diastemas are closed up(including primates spaces)
18. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
normal overbite
functional occlusion
causes of primary occlusal trauma
conditions that occur in class II - div 2
19. Cervical 3rd
causes of open bite
posterior contact
canine guidance or protection
severe overbite
20. Incisal 3rd
Intercuspation
occlusal trauma
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
normal overbite
21. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
overjet
dynamic occlusion
Nonworking side
Curve of Spee
22. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
crestal funneling
inter-arch
curve of monson
23. Primary teeth set ___________________ for permanent
codestructive theory
conditions that occur in class I malocclusion
How the diastemas are closed up(including primates spaces)
occlusion pattern
24. Usually indicative of moderate to sever perio and secondary occ trauma
Premature contact
primary occlusal trauma
Working side
pathologic tooth migration
25. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
moderate overbite
anterior teeth
Working side
Hereditary factors include
26. Normal contacts between max. and mand. teeth; momentary contacts
mesial step
functional contacts
temporalis and masseter
parafunctional contacts
27. Retrognathic profile
class II
conditions that occur in class II - div I
Abfraction
Unilateral crossbite occurs when
28. Functional occlusion
posterior crossbite
Curve of Spee
vertical overlap
dynamic occlusion
29. Most common cause is when the maxilla does not grow in proportion to the mandible
primary occlusal trauma
Crossbite
Edge to edge bite occurs when
torsoversion
30. Tongue thrusting; thumb sucking - pacifiers
class I
Working side
Leeway space
causes of open bite
31. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
posterior contact
Maxillary posterior teeth vertical alignment
premature occlusal contact
canine relationship
32. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Nonworking side
Open bite
Intercuspation
leeway spaces
33. Habitual - acquired - convenience - intercuspal & static
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
other names for centric occlusion
conditions that occur in class II - div I
group function
34. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
conditions that occur in class I malocclusion
normal overbite
overbite
occlusion
35. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
posterior contact
conditions that occur in class II - div I
Centric relation
Acromegaly
36. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
How the diastemas are closed up(including primates spaces)
parafunctional contacts
codestructive theory
traumatic overbite
37. When no teeth are contacting on this side
Nonworking side
Acromegaly
conditions that occur in class III
supraversion
38. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Overbite is a ___ measurement
Crossbite
traumatic overbite
Centric relation
39. Maximum touching of max and mand
interdigitation
class II division I occlusion
open bite
intercuspation
40. Excessive occ force with adequate bone support =
flush terminal plane
Protrusion
bone support
primary occlusal trauma
41. Individual teeth from each arch can be involved in ________________ malocclusion
premature curve of spee
tooth mobility
inter-arch
class II malocclusion
42. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
canine guidance or protection
Leeway space
divisions of parafunctional contacts
Midline deviation
43. Difference between primary and secondary occ trauma
underjet
fremitus
bone support
Centric relation
44. Maxillary overlap mandibular; whole arch
Underjet
curve of monson
parafunctional contacts
horizontal overlap
45. Middle 3rd
severe overbite
moderate overbite
causes of primary occlusal trauma
Malocclusion
46. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
Malocclusion
selective grinding or occlusal equilibration
functional occlusion
47. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
Retrusion
occlusal trauma
supraversion
48. Selective grinding should always be completed after ______ has been controlled
edge to edge
infraversion
Retrusion
inflammation
49. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
functional occlusion
physiologic occlusion
Curve of Wilson
Dentures
50. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
occlusal erosion
primate spaces
end to end
posterior crossbite