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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. Introduced the concept of codestruction
group function
intercuspation
Glickman 1963
occlusion pattern
2. Slight buccal inclination of crown - lingual inclination of root
occlusion pattern
flush terminal plane
hypercementosis
Maxillary posterior teeth vertical alignment
3. Horizontal distance of anterior teeth in crossbite
Nonworking side
If the condyles continue to grow - extreme mesial step will turn into ___
underjet
Attrition
4. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
torsoversion
traumatogenic occlusion
5. Normal contacts between max. and mand. teeth; momentary contacts
mesial step
physiologic occlusion
functional contacts
Protrusion
6. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
functional occlusion
group function
conditions that occur in class II - div I
conditions that occur in class II - div 2
7. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Open bite
physiologic occlusion
labialversion or buccoversion
class II division I occlusion
8. Tooth positioned more facial
premature curve of spee
labialversion or buccoversion
gingiva
conditions that occur in class II - div 2
9. 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
Centric relation
canine relationship
Retrusion
molar relationship
10. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
crestal funneling
hawley appliance
selective grinding or occlusal equilibration
11. The way you normally bite your teeth together when not chewing
functional contacts
Centric(habitual) occlusion
Open bite
causes of primary occlusal trauma
12. Most common cause is when the maxilla does not grow in proportion to the mandible
class III
class II malocclusion
Crossbite
Centric relation
13. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
conditions that occur in class III
centric occlusion - centric relation - protrusive and lateral movements
occlusal trauma
flush terminal plane
14. Overlap of anterior teeth
vertical overlap
Protrusion
decrease over time
occlusal trauma
15. After periodontal sugery - mobility will ________
non working or balancing side
edge to edge
decrease over time
gingiva
16. Both sides
Bilateral crossbite occurs on...
pathologic occlusion
leeway spaces
Curve of Wilson
17. Occlusal guard =
Leeway space
hawley appliance
group function
selective grinding or occlusal equilibration
18. 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
curve of spee
inter-arch
diastemas
splinting
19. The side to which the mandible moves(chewing side)
pathologic tooth migration
Overjet
mesial step
Working side
20. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
centric occlusion
traumatogenic occlusion
premature curve of spee
canine guidance or protection
21. Above occlusal plane
physiologic occlusion
distal step
supraversion
class II
22. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship
Overbit
class II - div 1
Overjet is a ___ measurement
intercuspation
23. Lateral mvmt results in contacct of all posterior teeth
pathologic tooth migration
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
group function
occlusal trauma
24. Associated with performance; all contacts during function of the oral cavity
dynamic occlusion
Lateral excursion
functional occlusion
Crossbite
25. 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
centric occlusion
class III - classificaiton
Edge to edge bite occurs when
Overjet
26. Excessive occ force with adequate bone support =
class II - div 2
primary occlusal trauma
centric occlusion
Malocclusion
27. Maxillary overlap mandibular; whole arch
Overbite is a ___ measurement
horizontal overlap
premature curve of spee
interdigitation
28. 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
primate spaces
conditions that occur in class I malocclusion
29. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
Protrusion
normal curve of spee
centric relation
30. Max canine occludes with mand. canine and mand. 1st premolar.
dynamic occlusion
canine relationship
distal step
curve of monson
31. Laterally
From a frontal view - anterior teeth lean ___
Curve of Wilson
leeway spaces
Occlusion can be affected by
32. A continuation of the spee of to extend through the condyle
inter-arch
An ideal curve of spee would be
splinting
Overbit
33. 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
Curve of Wilson
tooth mobility
curve of spee
class II - div 2
34. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
Open bite
open bite
canine relationship
causes of primary occlusal trauma
35. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
torsoversion
overjet
open bite
36. II (mal)occlusion
vertical overlap
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
anterior teeth
mesial step
37. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
hypercementosis
physiologic occlusion
overbite
divisions of parafunctional contacts
38. Mesially - Labially
normal overbite
splinting
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
linguoversion
39. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
canine guidance or protection
class III
torsoversion
primate spaces
40. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
posterior contact
divisions of parafunctional contacts
traumatogenic occlusion
Hereditary factors include
41. Prognathic profile
posterior crossbite
class III
non working or balancing side
torsoversion
42. During protrusive occ - ______ is considered undesirable
How the diastemas are closed up(including primates spaces)
posterior contact
fremitus
moderate overbite
43. Posterior; no horizontal overlap
horizontal overlap
anterior crossbite
end to end
excessive occlusal force
44. Starts around the mesial of the 1st molar
normal curve of spee
pathologic tooth migration
Overjet is a ___ measurement
Occlusion can be affected by
45. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
malocclusion
causes of open bite
excessive occlusal force
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
46. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
Intercuspation
Bilateral crossbite occurs on...
conditions that occur in class II - div I
47. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
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
linguoversion
48. Need tooth to tooth contact on both working and non working sides to func effectively
Maxillary posterior teeth vertical alignment
conditions that occur in class II - div 2
primate spaces
Dentures
49. Starts closer to premolars
From a frontal view - anterior teeth lean ___
premature curve of spee
Overbite is a ___ measurement
Abfraction
50. Cervical 3rd
class III
crossbite
severe overbite
Open bite
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