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Test your basic knowledge |
Dentistry Occlusion
Start Test
Study First
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. Maxillary anterior teeth stick out labially from tongue thrusting
intercuspation
normal overbite
Protrusion
Intercuspation
2. Widening of the PDL in areas under pressure results due to
Maxillary posterior teeth vertical alignment
diastemas
Misalignment of teeth
osteoclast resorption
3. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
flush terminal plane
conditions that occur in class I malocclusion
crossbite
conditions that occur in class II - div I
4. The side to which the mandible moves(chewing side)
hypercementosis
Malocclusion
moderate overbite
Working side
5. Maximum touching of max and mand
overjet
infraversion
interdigitation
hypercementosis
6. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
Overjet
Open bite
functional occlusion
7. Survival of the dentition despite its deviation from a preconceived hypothetical normal
inter-arch
centric occlusion
physiologic occlusion
normal overbite
8. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
anterior teeth
Bilateral crossbite occurs on...
Curve of Spee
traumatic overbite
9. #7 - 26 - 27
occlusal trauma
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
crossbite
Protrusion
10. Maxillary incisors are are lingual to mandibular incisors
Maxillary posterior teeth vertical alignment
Underjet
Attrition
osteoclast resorption
11. Starts closer to the posterior of the 1st molar
conditions that occur in class II - div I
primary occlusal trauma
pathologic tooth migration
late curve of spee
12. Patients show evidence or signs and syptoms of occ disease
drifted mesial
pathologic occlusion
conditions that occur in class II - div I
functional occlusion
13. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Underjet
overbite
Leeway space
centric occlusion
14. Posterior; no horizontal overlap
Protrusion
end to end
fremitus
anterior teeth
15. Difference between primary and secondary occ trauma
mesial step
occlusal trauma
bone support
class II - div 2
16. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
canine relationship
Misalignment of teeth
conditions that occur in class II - div 2
Intercuspation
17. Relationship of the teeth in opposite arches; static position
physiologic occlusion
Underjet
occlusal trauma
centric occlusion
18. Need tooth to tooth contact on both working and non working sides to func effectively
excessive occlusal force
Dentures
Misalignment of teeth
occlusal trauma
19. When no teeth are contacting on this side
Nonworking side
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
temporalis and masseter
moderate overbite
20. Mandibular molars more distal than maxillary molars
interdigitation
diastemas
Intercuspation
distal step
21. Measurement of horizontal overlap w/ probe
crossbite
Dentures
overjet
crestal funneling
22. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
pathologic occlusion
Intercuspation
excessive occlusal force
conditions that occur in class II - div I
23. Crowns tipped lingually - roots tipped laterally
Protrusion
Mandibular posterior teeth vertical alignment
class II division I occlusion
curve of wilson
24. During protrusive occ - ______ is considered undesirable
posterior contact
class III
parafunctional contacts
vertical overlap
25. Normal contacts between max. and mand. teeth; momentary contacts
centric relation
excessive occlusal force
functional contacts
mesial step
26. Curve spee & wilson - 3-d - not proven
conditions that occur in class III
Abfraction
traumatic overbite
curve of monson
27. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
traumatic overbite
non working or balancing side
hypercementosis
posterior crossbite
28. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
severe overbite
bone support
centric occlusion - centric relation - protrusive and lateral movements
malocclusion
29. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
conditions that occur in class II - div I
occlusion
inflammation
Hereditary factors include
30. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
osteoclast resorption
conditions that occur in class II - div I
linguoversion
Lateral excursion
31. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Lateral excursion
normal curve of spee
mesial step
conditions that occur in class III
32. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
crossbite
class III
class II - div 1
33. Lateral mvmt results in contacct of all posterior teeth
horizontal overlap
occlusion pattern
group function
Premature contact
34. Prognathic profile
class III
centric occlusion
Protrusion
hypercementosis
35. Middle 3rd
moderate overbite
Crossbite
occlusal erosion
overbite
36. Mandibular molars and maxillary molars are even
infraversion
mesial step
flush terminal plane
Underjet
37. Maximum interlocking of cusp
intercuspation
open bite
supraversion
left working movement
38. If the mandible moves to the left - the mvmt is known as a left working movement
moderate overbite
left working movement
Open bite
pathologic occlusion
39. Mesially - Labially
conditions that occur in class III
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
labialversion or buccoversion
Underjet
40. Abnormal contacts; occlusal habits - and neuroses
excessive occlusal force
conditions that occur in class III
parafunctional contacts
Crossbite
41. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
supraversion
centric occlusion
causes of primary occlusal trauma
causes of open bite
42. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
class II - div 1
selective grinding or occlusal equilibration
class I
group function
43. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
curve of monson
moderate overbite
Centric occlusion is also called
selective grinding or occlusal equilibration
44. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
Mandibular posterior teeth vertical alignment
Overbite is a ___ measurement
Overbit
45. The way you normally bite your teeth together when not chewing
premature curve of spee
Centric(habitual) occlusion
posterior contact
Edge to edge bite occurs when
46. Mandible moves to the right or left
Curve of Spee
curve of spee
Lateral excursion
conditions that occur in class III
47. Excessive deposition of cementum around the apex - due to excessive occlusal forces
excessive occlusal force
hypercementosis
normal curve of spee
Open bite
48. Horizontal
other names for centric occlusion
physiologic occlusion
Overjet is a ___ measurement
molar relationship
49. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
intercuspation
centric relation
infraversion
50. Max canine occludes with mand. canine and mand. 1st premolar.
Maxillary posterior teeth vertical alignment
Premature contact
occlusal trauma
canine relationship