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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. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Leeway space
Edge to edge bite occurs when
primate spaces
conditions that occur in class III
2. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II
physiologic occlusion
class II - div 1
causes of open bite
From a frontal view - anterior teeth lean ___
3. Maxillary anterior teeth stick out labially from tongue thrusting
Protrusion
interdigitation
primary occlusal trauma
curve of wilson
4. Maximum interlocking of cusp
normal overbite
splinting
Malocclusion
intercuspation
5. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
splinting
openbite
curve of monson
excessive occlusal force
6. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
flush terminal plane
conditions that occur in class I malocclusion
Bilateral crossbite occurs on...
posterior crossbite
7. Incisal 3rd
Centric(habitual) occlusion
gingiva
normal overbite
tooth mobility
8. Max canine occludes with mand. canine and mand. 1st premolar.
severe overbite
canine relationship
functional occlusion
non working or balancing side
9. Tooth positioned more lingual
linguoversion
class II division I occlusion
crestal funneling
Underjet
10. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
hawley appliance
physiologic occlusion
underjet
splinting
11. What is not affected by occ trauma
gingiva
Glickman 1963
primate spaces
overjet
12. Mandible moves to the right or left
Lateral excursion
drifted mesial
end to end
Mandibular posterior teeth vertical alignment
13. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
traumatic overbite
centric occlusion
Centric relation
canine guidance or protection
14. Relationship of the teeth in opposite arches; static position
Centric(habitual) occlusion
centric occlusion
vertical overlap
primate spaces
15. 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
class III
bone support
class II - div 2
infraversion
16. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
group function
severe overbite
late curve of spee
17. The way you normally bite your teeth together when not chewing
other names for centric occlusion
Centric(habitual) occlusion
Protrusion
conditions that occur in class I malocclusion
18. 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
Leeway space
Overjet
Attrition
causes of primary occlusal trauma
19. Curve of the occlusal plane; from anterior to posterior - increases with age
centric relation
posterior contact
centric relation
curve of spee
20. Measurement of horizontal overlap w/ probe
inter-arch
Retrusion
overjet
premature occlusal contact
21. Overlap of anterior teeth
vertical overlap
normal overbite
edge to edge
secondary occlusal trauma
22. 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
secondary occlusal trauma
class II division I occlusion
functional occlusion
23. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
osteoclast resorption
occlusion pattern
leeway spaces
crossbite
24. Class III (mal)occlusion of permanent teeth
curve of wilson
Leeway space
physiologic occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
25. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
Edge to edge bite occurs when
Working side
premature occlusal contact
26. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
How the diastemas are closed up(including primates spaces)
decrease over time
premature occlusal contact
codestructive theory
27. Tooth positioned more facial
canine relationship
flush terminal plane
physiologic occlusion
labialversion or buccoversion
28. 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
occlusal trauma
class II - div 1
splinting
hawley appliance
29. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
other names for centric occlusion
occlusion
conditions that occur in class I malocclusion
secondary occlusal trauma
30. Habitual - acquired - convenience - intercuspal & static
edge to edge
severe overbite
anterior teeth
other names for centric occlusion
31. Posterior; no horizontal overlap
end to end
If the condyles continue to grow - extreme mesial step will turn into ___
Acromegaly
infraversion
32. Tooth extracted
curve of wilson
crossbite
other names for centric occlusion
drifted mesial
33. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
class III
underjet
tooth mobility
occlusion
34. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
conditions that occur in class III
physiologic occlusion
Premature contact
occlusion
35. After periodontal sugery - mobility will ________
Open bite
conditions that occur in class I malocclusion
Centric(habitual) occlusion
decrease over time
36. 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
primate spaces
Condyles of the mandible continue grow ___than the maxilla
protrusive occlusion
Attrition
37. Teeth are misaligned when biting together
Retrusion
codestructive theory
Intercuspation
Malocclusion
38. Lateral mvmt results in contacct of all posterior teeth
bone support
Crossbite
group function
class II
39. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Dentures
physiologic occlusion
Midline deviation
conditions that occur in class II - div I
40. Maxillary overlap mandibular; whole arch
class II - div 2
horizontal overlap
Unilateral crossbite occurs when
Maxillary posterior teeth vertical alignment
41. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
occlusal trauma
Open bite
Nonworking side
class II - div 2
42. During a left working movement - the right side is known as the
non working or balancing side
codestructive theory
traumatogenic occlusion
anterior teeth
43. Cusps of maxillary teeth directly over cusps of mandibular teeth
Curve of Wilson
class III - classificaiton
interdigitation
Edge to edge bite occurs when
44. Prognathic profile
Attrition
class III
inter-arch
severe overbite
45. During protrusive occ - ______ is considered undesirable
Occlusion can be affected by
temporalis and masseter
posterior contact
pathologic tooth migration
46. Buck teeth are common and are considered
crestal funneling
class II malocclusion
Leeway space
Bilateral crossbite occurs on...
47. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
horizontal overlap
premature occlusal contact
Centric occlusion is also called
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
48. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
premature occlusal contact
divisions of parafunctional contacts
moderate overbite
diastemas
49. Curve spee & wilson - 3-d - not proven
curve of monson
openbite
inflammation
Misalignment of teeth
50. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
inter-arch
conditions that occur in class II - div 2
mesial step
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