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Test your basic knowledge |
Dentistry Occlusion
Start Test
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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. Tongue thrusting; thumb sucking - pacifiers
traumatogenic occlusion
causes of open bite
centric occlusion
Overjet
2. Contact between maxillary incisors does not line up with contact of mandibular incisors
other names for centric occlusion
Midline deviation
Malocclusion
torsoversion
3. 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
anterior teeth
Overjet
selective grinding or occlusal equilibration
leeway spaces
4. Tooth extracted
crestal funneling
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
bone support
drifted mesial
5. Lateral mvmt results in contact btwn the max and mand canines
Malocclusion
functional contacts
other names for centric occlusion
canine guidance or protection
6. Starts closer to premolars
Malocclusion
premature curve of spee
Curve of Wilson
traumatic overbite
7. Tooth positioned more lingual
Centric occlusion is also called
An ideal curve of spee would be
class III
linguoversion
8. Mandibular molars more distal than maxillary molars
overjet
splinting
occlusal trauma
distal step
9. During a left working movement - the right side is known as the
Overbite is a ___ measurement
non working or balancing side
mesial step
divisions of parafunctional contacts
10. Buck teeth are common and are considered
class II malocclusion
underjet
normal overbite
mesial step
11. ____ is not a sign of occl trauma
occlusal erosion
Midline deviation
Condyles of the mandible continue grow ___than the maxilla
mesial step
12. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Nonworking side
horizontal overlap
Centric relation
non working or balancing side
13. Anterior; no horizontal overlap
distal step
edge to edge
pathologic tooth migration
Intercuspation
14. A continuation of the spee of to extend through the condyle
Working side
divisions of parafunctional contacts
normal curve of spee
An ideal curve of spee would be
15. Vibrational mvmt of a tooth under occ function
Condyles of the mandible continue grow ___than the maxilla
Centric occlusion is also called
fremitus
osteoclast resorption
16. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
divisions of parafunctional contacts
Acromegaly
Overbite is a ___ measurement
class III
17. Patients show evidence or signs and syptoms of occ disease
conditions that occur in class I malocclusion
Glickman 1963
pathologic occlusion
From a frontal view - anterior teeth lean ___
18. Horizontal
hypercementosis
Overjet is a ___ measurement
centric occlusion
Underjet
19. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
non working or balancing side
severe overbite
curve of spee
20. Spaces between two teeth
temporalis and masseter
Curve of Wilson
protrusive occlusion
diastemas
21. Rotated or twisted; rotated mesial or distal
Overjet
Overbite is a ___ measurement
posterior crossbite
torsoversion
22. Overlap of anterior teeth
Underjet
vertical overlap
Bilateral crossbite occurs on...
curve of spee
23. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
mesial step
Overbite is a ___ measurement
distal step
24. Mvmt of the mandible in a direction anterior to centric occ
traumatic overbite
protrusive occlusion
horizontal overlap
class II division I occlusion
25. Below occlusal plane
infraversion
selective grinding or occlusal equilibration
How the diastemas are closed up(including primates spaces)
functional contacts
26. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
conditions that occur in class I malocclusion
functional occlusion
end to end
occlusal trauma
27. Survival of the dentition despite its deviation from a preconceived hypothetical normal
traumatic overbite
normal overbite
physiologic occlusion
fremitus
28. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
excessive occlusal force
Centric occlusion is also called
gingiva
Curve of Wilson
29. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
occlusal trauma
centric occlusion - centric relation - protrusive and lateral movements
primate spaces
Leeway space
30. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
malocclusion
Maxillary posterior teeth vertical alignment
occlusal erosion
functional occlusion
31. Lateral mvmt results in contacct of all posterior teeth
group function
occlusal trauma
curve of spee
canine relationship
32. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
curve of wilson
centric relation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
leeway spaces
33. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
overjet
Crossbite
primate spaces
pathologic occlusion
34. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
functional occlusion
posterior contact
excessive occlusal force
crestal funneling
35. Excessive deposition of cementum around the apex - due to excessive occlusal forces
Glickman 1963
Nonworking side
Overjet
hypercementosis
36. Class III (mal)occlusion of permanent teeth
labialversion or buccoversion
normal curve of spee
If the condyles continue to grow - extreme mesial step will turn into ___
anterior teeth
37. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
intercuspation
Open bite
Malocclusion
Centric(habitual) occlusion
38. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
anterior crossbite
Misalignment of teeth
How the diastemas are closed up(including primates spaces)
secondary occlusal trauma
39. Mandibular molars and maxillary molars are even
flush terminal plane
vertical overlap
hypercementosis
Crossbite
40. Relationship of the arches bone to bone;
premature curve of spee
torsoversion
centric relation
intercuspation
41. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
canine guidance or protection
posterior crossbite
Curve of Wilson
Overbit
42. Functional occlusion
splinting
conditions that occur in class I malocclusion
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
dynamic occlusion
43. Tongue thrust or thumb sucking can cause
centric relation
functional contacts
class II division I occlusion
curve of spee
44. Mb cusp of max 1st molar-buccal groove of mand 1st molar
class II - div 2
Premature contact
centric relation
molar relationship
45. Starts closer to the posterior of the 1st molar
molar relationship
physiologic occlusion
leeway spaces
late curve of spee
46. After periodontal sugery - mobility will ________
curve of wilson
flush terminal plane
decrease over time
conditions that occur in class II - div 2
47. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
bone support
centric occlusion
selective grinding or occlusal equilibration
curve of wilson
48. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
openbite
Curve of Spee
centric occlusion
49. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
causes of primary occlusal trauma
codestructive theory
From a frontal view - anterior teeth lean ___
50. #10 & #23
underjet
horizontal overlap
Premature contact
openbite
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