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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. ____ is not a sign of occl trauma
occlusal erosion
drifted mesial
inter-arch
Working side
2. What is not affected by occ trauma
excessive occlusal force
gingiva
bone support
Edge to edge bite occurs when
3. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
Unilateral crossbite occurs when
Crossbite
Misalignment of teeth
conditions that occur in class II - div 2
4. The way you normally bite your teeth together when not chewing
temporalis and masseter
Centric(habitual) occlusion
functional occlusion
linguoversion
5. Cusps of maxillary teeth directly over cusps of mandibular teeth
Nonworking side
secondary occlusal trauma
moderate overbite
Edge to edge bite occurs when
6. Maxillary overlap mandibular; whole arch
occlusion
Hereditary factors include
horizontal overlap
traumatic overbite
7. Incisal 3rd
Midline deviation
occlusal erosion
Acromegaly
normal overbite
8. A continuation of the spee of to extend through the condyle
curve of spee
mesial step
Premature contact
An ideal curve of spee would be
9. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Midline deviation
centric occlusion
occlusal trauma
leeway spaces
10. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
temporalis and masseter
decrease over time
canine relationship
premature occlusal contact
11. Tooth positioned more facial
inter-arch
torsoversion
edge to edge
labialversion or buccoversion
12. Horizontal
curve of spee
class II malocclusion
openbite
Overjet is a ___ measurement
13. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
curve of wilson
occlusal trauma
bone support
vertical overlap
14. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
temporalis and masseter
Overbite is a ___ measurement
Centric relation
How the diastemas are closed up(including primates spaces)
15. If the mandible moves to the left - the mvmt is known as a left working movement
severe overbite
class III - classificaiton
Intercuspation
left working movement
16. Retrognathic profile
secondary occlusal trauma
Attrition
class II
Curve of Wilson
17. The permanent molars erupt posterior to the primary teeth and push them all mesially
pathologic tooth migration
How the diastemas are closed up(including primates spaces)
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
physiologic occlusion
18. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
anterior teeth
protrusive occlusion
curve of spee
Open bite
19. Maxillary anterior teeth stick out labially from tongue thrusting
vertical overlap
occlusion pattern
Protrusion
causes of primary occlusal trauma
20. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
infraversion
selective grinding or occlusal equilibration
pathologic tooth migration
21. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
overjet
left working movement
Acromegaly
mesial step
22. Rotated or twisted; rotated mesial or distal
osteoclast resorption
non working or balancing side
torsoversion
physiologic occlusion
23. Tongue thrusting; thumb sucking - pacifiers
normal overbite
edge to edge
occlusal trauma
causes of open bite
24. Occlusal guard =
Midline deviation
occlusal erosion
distal step
hawley appliance
25. Habitual - acquired - convenience - intercuspal & static
Maxillary posterior teeth vertical alignment
other names for centric occlusion
Underjet
conditions that occur in class I malocclusion
26. Buck teeth are common and are considered
Open bite
class II malocclusion
flush terminal plane
physiologic occlusion
27. II (mal)occlusion
parafunctional contacts
dynamic occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Leeway space
28. Class III (mal)occlusion of permanent teeth
posterior crossbite
Maxillary posterior teeth vertical alignment
occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
29. Later
Unilateral crossbite occurs when
conditions that occur in class I malocclusion
Condyles of the mandible continue grow ___than the maxilla
Overjet is a ___ measurement
30. Primary teeth set ___________________ for permanent
Leeway space
pathologic tooth migration
occlusion pattern
molar relationship
31. Difference between primary and secondary occ trauma
tooth mobility
infraversion
Centric relation
bone support
32. Maxillary - Mandibular - Facial
Overbit
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
crestal funneling
posterior contact
33. Spaces between two teeth
premature curve of spee
inter-arch
causes of primary occlusal trauma
diastemas
34. Posterior; no horizontal overlap
Retrusion
left working movement
Centric occlusion is also called
end to end
35. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
distal step
curve of wilson
centric relation
anterior crossbite
36. During a left working movement - the right side is known as the
non working or balancing side
posterior crossbite
divisions of parafunctional contacts
overbite
37. After periodontal sugery - mobility will ________
class II - div 1
horizontal overlap
decrease over time
Occlusion can be affected by
38. 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
pathologic tooth migration
hawley appliance
Retrusion
protrusive occlusion
39. Anterior; no horizontal overlap
pathologic occlusion
edge to edge
linguoversion
Attrition
40. Mandible moves to the right or left
Lateral excursion
occlusion pattern
causes of open bite
malocclusion
41. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Working side
Curve of Spee
An ideal curve of spee would be
Overbit
42. Tooth extracted
drifted mesial
Unilateral crossbite occurs when
Midline deviation
functional contacts
43. Mandibular molars and maxillary molars are even
flush terminal plane
class I
occlusion
class II
44. Excessive deposition of cementum around the apex - due to excessive occlusal forces
premature curve of spee
other names for centric occlusion
hypercementosis
causes of open bite
45. Introduced the concept of codestruction
primate spaces
canine relationship
Glickman 1963
canine guidance or protection
46. Crowns tipped lingually - roots tipped laterally
centric occlusion - centric relation - protrusive and lateral movements
Mandibular posterior teeth vertical alignment
drifted mesial
Retrusion
47. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
conditions that occur in class II - div I
molar relationship
occlusion
distal step
48. Maximum touching of max and mand
conditions that occur in class II - div I
primary occlusal trauma
interdigitation
codestructive theory
49. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Overbit
From a frontal view - anterior teeth lean ___
conditions that occur in class II - div I
physiologic occlusion
50. Vibrational mvmt of a tooth under occ function
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
temporalis and masseter
fremitus
Overjet is a ___ measurement
Can you answer 50 questions in 15 minutes?
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