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Test your basic knowledge |
Dentistry Occlusion
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Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
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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. Vertical overlapping
causes of open bite
centric occlusion - centric relation - protrusive and lateral movements
centric occlusion
overbite
2. Vertical
Overbite is a ___ measurement
physiologic occlusion
Premature contact
Centric(habitual) occlusion
3. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
class III - classificaiton
severe overbite
Premature contact
underjet
4. 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
underjet
class II - div 2
pathologic occlusion
fremitus
5. Starts around the mesial of the 1st molar
Nonworking side
normal curve of spee
temporalis and masseter
class II - div 2
6. When no teeth are contacting on this side
Leeway space
overjet
Nonworking side
functional occlusion
7. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
tooth mobility
hawley appliance
conditions that occur in class II - div I
8. Starts closer to premolars
An ideal curve of spee would be
Overjet
primate spaces
premature curve of spee
9. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
leeway spaces
normal curve of spee
Unilateral crossbite occurs when
10. Mesognathic profile
class I
Condyles of the mandible continue grow ___than the maxilla
How the diastemas are closed up(including primates spaces)
Protrusion
11. Most common cause is when the maxilla does not grow in proportion to the mandible
conditions that occur in class II - div 2
late curve of spee
Crossbite
Condyles of the mandible continue grow ___than the maxilla
12. The way you normally bite your teeth together when not chewing
centric occlusion
normal curve of spee
Centric(habitual) occlusion
Protrusion
13. The permanent molars erupt posterior to the primary teeth and push them all mesially
interdigitation
conditions that occur in class II - div 2
Curve of Wilson
How the diastemas are closed up(including primates spaces)
14. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Nonworking side
edge to edge
Leeway space
premature curve of spee
15. What is not affected by occ trauma
Occlusion can be affected by
parafunctional contacts
Abfraction
gingiva
16. After periodontal sugery - mobility will ________
Overjet is a ___ measurement
decrease over time
Malocclusion
premature occlusal contact
17. Max canine occludes with mand. canine and mand. 1st premolar.
occlusion pattern
canine relationship
Bilateral crossbite occurs on...
Unilateral crossbite occurs when
18. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
Open bite
Hereditary factors include
open bite
19. Selective grinding should always be completed after ______ has been controlled
linguoversion
inflammation
Leeway space
premature curve of spee
20. Guidance for protrusive occ should be on the
occlusal trauma
distal step
vertical overlap
anterior teeth
21. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
Unilateral crossbite occurs when
class III - classificaiton
protrusive occlusion
22. Excessive occ force with adequate bone support =
overbite
functional contacts
Underjet
primary occlusal trauma
23. Maxillary overlap mandibular; whole arch
horizontal overlap
Mandibular posterior teeth vertical alignment
posterior crossbite
vertical overlap
24. Mvmt of the mandible in a direction anterior to centric occ
Misalignment of teeth
protrusive occlusion
anterior teeth
linguoversion
25. Overlap of anterior teeth
vertical overlap
Open bite
Leeway space
open bite
26. Horizontal
Curve of Wilson
interdigitation
protrusive occlusion
Overjet is a ___ measurement
27. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
conditions that occur in class II - div 2
non working or balancing side
Hereditary factors include
infraversion
28. The side to which the mandible moves(chewing side)
Midline deviation
conditions that occur in class II - div 2
pathologic tooth migration
Working side
29. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Mandibular posterior teeth vertical alignment
left working movement
anterior teeth
malocclusion
30. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
Protrusion
class II division I occlusion
Underjet
31. Laterally
From a frontal view - anterior teeth lean ___
hypercementosis
occlusion pattern
Acromegaly
32. Anterior; no horizontal overlap
traumatic overbite
Intercuspation
edge to edge
crossbite
33. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
left working movement
diastemas
excessive occlusal force
leeway spaces
34. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
occlusion
functional occlusion
posterior crossbite
interdigitation
35. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
codestructive theory
decrease over time
pathologic occlusion
36. Functional occlusion
end to end
divisions of parafunctional contacts
dynamic occlusion
protrusive occlusion
37. Tooth extracted
Maxillary posterior teeth vertical alignment
traumatogenic occlusion
vertical overlap
drifted mesial
38. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
centric relation
class II - div 1
anterior teeth
39. During protrusive occ - ______ is considered undesirable
Midline deviation
centric relation
overjet
posterior contact
40. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
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
Curve of Spee
tooth mobility
41. II (mal)occlusion
occlusal trauma
supraversion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
functional occlusion
42. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
drifted mesial
excessive occlusal force
dynamic occlusion
Occlusion can be affected by
43. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Overjet is a ___ measurement
decrease over time
occlusal trauma
class II - div 2
44. Maxillary anterior teeth stick out labially from tongue thrusting
Protrusion
labialversion or buccoversion
Mandibular posterior teeth vertical alignment
centric relation
45. Later
curve of wilson
anterior teeth
Unilateral crossbite occurs when
Condyles of the mandible continue grow ___than the maxilla
46. Spaces between two teeth
diastemas
crossbite
left working movement
Working side
47. Maximal intercuspation or contact of the max and mand teeth
centric occlusion
Working side
labialversion or buccoversion
conditions that occur in class I malocclusion
48. Measurement of horizontal overlap w/ probe
overjet
selective grinding or occlusal equilibration
inter-arch
left working movement
49. Curve of the occlusal plane; from anterior to posterior - increases with age
conditions that occur in class I malocclusion
Underjet
curve of spee
anterior crossbite
50. Starts closer to the posterior of the 1st molar
molar relationship
late curve of spee
underjet
causes of open bite
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