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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. Rotated or twisted; rotated mesial or distal
Malocclusion
Overbite is a ___ measurement
torsoversion
curve of monson
2. Starts closer to the posterior of the 1st molar
late curve of spee
Overbite is a ___ measurement
Overbit
Overjet is a ___ measurement
3. What is not affected by occ trauma
gingiva
class I
Condyles of the mandible continue grow ___than the maxilla
Dentures
4. Functional occlusion
dynamic occlusion
Open bite
physiologic occlusion
flush terminal plane
5. Occlusal guard =
hypercementosis
centric occlusion - centric relation - protrusive and lateral movements
Acromegaly
hawley appliance
6. Mandibular molars more mesial than maxillary molars (most children)
flush terminal plane
mesial step
occlusal trauma
labialversion or buccoversion
7. When no teeth are contacting on this side
leeway spaces
causes of primary occlusal trauma
Nonworking side
conditions that occur in class II - div 2
8. Contact between maxillary incisors does not line up with contact of mandibular incisors
functional contacts
supraversion
crossbite
Midline deviation
9. Max canine occludes with mand. canine and mand. 1st premolar.
hawley appliance
An ideal curve of spee would be
mesial step
canine relationship
10. During selective grinding - occlusion should be adjusted In what four relationships
openbite
centric occlusion - centric relation - protrusive and lateral movements
Overbite is a ___ measurement
supraversion
11. During protrusive occ - ______ is considered undesirable
malocclusion
posterior contact
Open bite
curve of wilson
12. The side to which the mandible moves(chewing side)
Working side
causes of open bite
Condyles of the mandible continue grow ___than the maxilla
physiologic occlusion
13. Tooth positioned more facial
supraversion
Centric occlusion is also called
Bilateral crossbite occurs on...
labialversion or buccoversion
14. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
malocclusion
Midline deviation
conditions that occur in class II - div 2
Mandibular posterior teeth vertical alignment
15. Muscles that work the jaw; may become sore due to occ trauma
temporalis and masseter
Midline deviation
end to end
infraversion
16. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
Condyles of the mandible continue grow ___than the maxilla
conditions that occur in class II - div I
distal step
primary occlusal trauma
17. Mandibular molars more distal than maxillary molars
functional occlusion
distal step
intercuspation
bone support
18. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Midline deviation
functional occlusion
hypercementosis
class II malocclusion
19. Widening of the PDL in areas under pressure results due to
causes of primary occlusal trauma
How the diastemas are closed up(including primates spaces)
mesial step
osteoclast resorption
20. Most common cause is when the maxilla does not grow in proportion to the mandible
hawley appliance
traumatogenic occlusion
diastemas
Crossbite
21. Maxillary - Mandibular - Facial
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
class III
Overjet is a ___ measurement
normal curve of spee
22. Incisal 3rd
intercuspation
normal overbite
crestal funneling
canine guidance or protection
23. Tongue thrusting; thumb sucking - pacifiers
gingiva
selective grinding or occlusal equilibration
centric occlusion
causes of open bite
24. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
From a frontal view - anterior teeth lean ___
intercuspation
centric relation
25. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
overbite
centric relation
conditions that occur in class II - div 2
selective grinding or occlusal equilibration
26. Excessive occ force with adequate bone support =
primary occlusal trauma
flush terminal plane
Edge to edge bite occurs when
Condyles of the mandible continue grow ___than the maxilla
27. Horizontal
How the diastemas are closed up(including primates spaces)
class II malocclusion
Overjet is a ___ measurement
Misalignment of teeth
28. II (mal)occlusion
labialversion or buccoversion
inflammation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
codestructive theory
29. Prognathic profile
Centric(habitual) occlusion
class III
physiologic occlusion
crossbite
30. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
Leeway space
traumatogenic occlusion
Crossbite
physiologic occlusion
31. Relationship of the arches bone to bone;
Dentures
pathologic tooth migration
centric relation
class II division I occlusion
32. 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
Unilateral crossbite occurs when
Condyles of the mandible continue grow ___than the maxilla
Bilateral crossbite occurs on...
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
33. 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
Attrition
tooth mobility
pathologic tooth migration
excessive occlusal force
34. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Centric(habitual) occlusion
other names for centric occlusion
occlusal trauma
Protrusion
35. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
physiologic occlusion
anterior crossbite
normal overbite
posterior contact
36. Vibrational mvmt of a tooth under occ function
decrease over time
overbite
fremitus
crestal funneling
37. A continuation of the spee of to extend through the condyle
curve of monson
openbite
An ideal curve of spee would be
functional contacts
38. #7 - 26 - 27
other names for centric occlusion
crossbite
inter-arch
group function
39. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
openbite
functional contacts
open bite
40. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Overjet
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Intercuspation
Centric(habitual) occlusion
41. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
hypercementosis
secondary occlusal trauma
malocclusion
centric relation
42. Maximal intercuspation or contact of the max and mand teeth
primary occlusal trauma
centric occlusion
decrease over time
protrusive occlusion
43. Laterally
Glickman 1963
labialversion or buccoversion
From a frontal view - anterior teeth lean ___
drifted mesial
44. Buck teeth are common and are considered
conditions that occur in class I malocclusion
class II malocclusion
molar relationship
Centric occlusion is also called
45. After periodontal sugery - mobility will ________
decrease over time
If the condyles continue to grow - extreme mesial step will turn into ___
protrusive occlusion
infraversion
46. Survival of the dentition despite its deviation from a preconceived hypothetical normal
moderate overbite
Unilateral crossbite occurs when
Edge to edge bite occurs when
physiologic occlusion
47. Difference between primary and secondary occ trauma
bone support
Overjet
Malocclusion
physiologic occlusion
48. During a left working movement - the right side is known as the
functional occlusion
non working or balancing side
malocclusion
occlusal trauma
49. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
traumatic overbite
end to end
open bite
50. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
canine guidance or protection
From a frontal view - anterior teeth lean ___
If the condyles continue to grow - extreme mesial step will turn into ___
Misalignment of teeth
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