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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.
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. Mandibular molars and maxillary molars are even
inflammation
flush terminal plane
parafunctional contacts
infraversion
2. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
codestructive theory
Dentures
class III
occlusal trauma
3. Starts around the mesial of the 1st molar
curve of spee
hawley appliance
normal curve of spee
curve of wilson
4. Above occlusal plane
supraversion
non working or balancing side
malocclusion
Premature contact
5. Horizontal distance of anterior teeth in crossbite
From a frontal view - anterior teeth lean ___
underjet
primary occlusal trauma
left working movement
6. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
functional occlusion
linguoversion
Working side
7. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
premature occlusal contact
Acromegaly
openbite
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
8. Buck teeth are common and are considered
physiologic occlusion
primate spaces
Working side
class II malocclusion
9. Habitual - acquired - convenience - intercuspal & static
class II
other names for centric occlusion
gingiva
Bilateral crossbite occurs on...
10. Associated with performance; all contacts during function of the oral cavity
functional occlusion
centric occlusion - centric relation - protrusive and lateral movements
Occlusion can be affected by
parafunctional contacts
11. Introduced the concept of codestruction
Glickman 1963
If the condyles continue to grow - extreme mesial step will turn into ___
class II - div 1
traumatogenic occlusion
12. Retrognathic profile
class II
centric relation
traumatic overbite
class II malocclusion
13. Maxillary incisors are are lingual to mandibular incisors
occlusal erosion
Underjet
diastemas
Bilateral crossbite occurs on...
14. Later
Intercuspation
Overbit
Condyles of the mandible continue grow ___than the maxilla
edge to edge
15. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
horizontal overlap
pathologic tooth migration
premature occlusal contact
16. Lateral mvmt results in contact btwn the max and mand canines
curve of spee
canine guidance or protection
class III - classificaiton
pathologic occlusion
17. Spaces between two teeth
diastemas
primary occlusal trauma
dynamic occlusion
Protrusion
18. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
Abfraction
Dentures
openbite
19. Maximal intercuspation or contact of the max and mand teeth
occlusion
Glickman 1963
centric occlusion
interdigitation
20. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced
Centric(habitual) occlusion
Premature contact
splinting
inter-arch
21. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
non working or balancing side
conditions that occur in class III
moderate overbite
decrease over time
22. Measurement of horizontal overlap w/ probe
Overbit
overjet
fremitus
malocclusion
23. 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
osteoclast resorption
fremitus
hypercementosis
class III - classificaiton
24. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
canine relationship
Open bite
physiologic occlusion
centric relation
25. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
occlusal trauma
functional occlusion
class II - div 1
splinting
26. During selective grinding - occlusion should be adjusted In what four relationships
Overbit
left working movement
linguoversion
centric occlusion - centric relation - protrusive and lateral movements
27. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
normal curve of spee
open bite
If the condyles continue to grow - extreme mesial step will turn into ___
anterior crossbite
28. Occlusal guard =
occlusion pattern
Midline deviation
hawley appliance
group function
29. Muscles that work the jaw; may become sore due to occ trauma
pathologic tooth migration
normal curve of spee
temporalis and masseter
mesial step
30. Mesognathic profile
class I
tooth mobility
causes of open bite
parafunctional contacts
31. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
Curve of Wilson
hawley appliance
anterior teeth
32. Mvmt of the mandible in a direction anterior to centric occ
Retrusion
Overjet is a ___ measurement
diastemas
protrusive occlusion
33. 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
Lateral excursion
centric relation
Occlusion can be affected by
34. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
Mandibular posterior teeth vertical alignment
excessive occlusal force
Edge to edge bite occurs when
35. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
occlusal trauma
Mandibular posterior teeth vertical alignment
Leeway space
36. A continuation of the spee of to extend through the condyle
interdigitation
An ideal curve of spee would be
labialversion or buccoversion
class III - classificaiton
37. #7 - 26 - 27
primate spaces
pathologic tooth migration
crossbite
molar relationship
38. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Hereditary factors include
bone support
occlusal trauma
39. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
class II - div 1
conditions that occur in class II - div I
class II - div 2
Curve of Wilson
40. Laterally
From a frontal view - anterior teeth lean ___
Lateral excursion
mesial step
Malocclusion
41. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
Working side
hawley appliance
primary occlusal trauma
42. Mandibular molars more distal than maxillary molars
class I
labialversion or buccoversion
distal step
conditions that occur in class I malocclusion
43. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
If the condyles continue to grow - extreme mesial step will turn into ___
canine relationship
non working or balancing side
Centric occlusion is also called
44. Maxillary - Mandibular - Facial
protrusive occlusion
fremitus
distal step
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
45. Tongue thrusting; thumb sucking - pacifiers
functional occlusion
protrusive occlusion
Working side
causes of open bite
46. Normal contacts between max. and mand. teeth; momentary contacts
class I
functional contacts
Working side
bone support
47. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
occlusal erosion
normal curve of spee
Premature contact
tooth mobility
48. Incisal 3rd
normal overbite
parafunctional contacts
canine relationship
Centric relation
49. Lateral mvmt results in contacct of all posterior teeth
occlusion pattern
physiologic occlusion
group function
conditions that occur in class I malocclusion
50. Functional occlusion
dynamic occlusion
canine guidance or protection
diastemas
traumatic overbite
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