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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. Introduced the concept of codestruction
curve of spee
Glickman 1963
infraversion
Midline deviation
2. Relationship of the teeth in opposite arches; static position
distal step
functional occlusion
drifted mesial
centric occlusion
3. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Condyles of the mandible continue grow ___than the maxilla
Premature contact
normal curve of spee
Protrusion
4. Posterior; no horizontal overlap
hawley appliance
Occlusion can be affected by
end to end
openbite
5. Contact between maxillary incisors does not line up with contact of mandibular incisors
Bilateral crossbite occurs on...
molar relationship
Midline deviation
osteoclast resorption
6. Maximum interlocking of cusp
leeway spaces
anterior crossbite
centric occlusion
intercuspation
7. Tongue thrusting; thumb sucking - pacifiers
causes of open bite
normal curve of spee
non working or balancing side
leeway spaces
8. #7 - 26 - 27
labialversion or buccoversion
crossbite
physiologic occlusion
An ideal curve of spee would be
9. Mandible moves to the right or left
Protrusion
Lateral excursion
Unilateral crossbite occurs when
occlusal erosion
10. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
From a frontal view - anterior teeth lean ___
occlusal trauma
Lateral excursion
molar relationship
11. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Intercuspation
physiologic occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Protrusion
12. Vibrational mvmt of a tooth under occ function
bone support
fremitus
molar relationship
anterior teeth
13. Functional occlusion
class III
Protrusion
dynamic occlusion
Underjet
14. During protrusive occ - ______ is considered undesirable
drifted mesial
posterior contact
hypercementosis
Overjet
15. Maxillary overlap mandibular; whole arch
Curve of Spee
horizontal overlap
centric relation
fremitus
16. Above occlusal plane
end to end
supraversion
class II - div 1
malocclusion
17. Vertical overlapping
group function
Centric relation
overbite
functional occlusion
18. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
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
mesial step
leeway spaces
codestructive theory
19. Most common cause is when the maxilla does not grow in proportion to the mandible
conditions that occur in class III
Maxillary posterior teeth vertical alignment
dynamic occlusion
Crossbite
20. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
class II malocclusion
premature curve of spee
centric occlusion - centric relation - protrusive and lateral movements
21. Mandibular molars and maxillary molars are even
flush terminal plane
Curve of Wilson
primate spaces
end to end
22. 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 II - div 2
premature occlusal contact
codestructive theory
Edge to edge bite occurs when
23. Primary teeth set ___________________ for permanent
vertical overlap
Lateral excursion
canine relationship
occlusion pattern
24. The side to which the mandible moves(chewing side)
other names for centric occlusion
Working side
class I
Premature contact
25. Horizontal
posterior crossbite
class III
An ideal curve of spee would be
Overjet is a ___ measurement
26. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
dynamic occlusion
Condyles of the mandible continue grow ___than the maxilla
tooth mobility
leeway spaces
27. Mandibular molars more distal than maxillary molars
distal step
class II - div 2
Underjet
centric occlusion
28. Both sides
severe overbite
Dentures
Bilateral crossbite occurs on...
Misalignment of teeth
29. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious
overjet
Condyles of the mandible continue grow ___than the maxilla
splinting
Abfraction
30. 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
primate spaces
Mandibular posterior teeth vertical alignment
Midline deviation
class III - classificaiton
31. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
supraversion
primate spaces
end to end
hawley appliance
32. Mvmt of the mandible in a direction anterior to centric occ
openbite
protrusive occlusion
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
infraversion
33. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
severe overbite
Acromegaly
class III - classificaiton
34. 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
conditions that occur in class II - div I
Attrition
anterior teeth
temporalis and masseter
35. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
hypercementosis
distal step
severe overbite
Curve of Wilson
36. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
excessive occlusal force
anterior crossbite
Dentures
37. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
tooth mobility
Curve of Spee
Midline deviation
other names for centric occlusion
38. Normal contacts between max. and mand. teeth; momentary contacts
traumatogenic occlusion
functional contacts
linguoversion
occlusal trauma
39. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Overjet
posterior crossbite
parafunctional contacts
Lateral excursion
40. If the mandible moves to the left - the mvmt is known as a left working movement
conditions that occur in class II - div I
left working movement
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Underjet
41. Mesially - Labially
premature curve of spee
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
flush terminal plane
normal overbite
42. Maximal intercuspation or contact of the max and mand teeth
Dentures
hypercementosis
drifted mesial
centric occlusion
43. Vertical
open bite
Overbit
Overbite is a ___ measurement
Centric(habitual) occlusion
44. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
flush terminal plane
selective grinding or occlusal equilibration
Dentures
non working or balancing side
45. Middle 3rd
Unilateral crossbite occurs when
moderate overbite
overbite
centric relation
46. Retrognathic profile
Protrusion
An ideal curve of spee would be
class II
intercuspation
47. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
edge to edge
conditions that occur in class I malocclusion
Protrusion
traumatic overbite
48. Associated with performance; all contacts during function of the oral cavity
Edge to edge bite occurs when
functional occlusion
Retrusion
class II malocclusion
49. Max canine occludes with mand. canine and mand. 1st premolar.
hypercementosis
occlusal trauma
canine relationship
horizontal overlap
50. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
excessive occlusal force
If the condyles continue to grow - extreme mesial step will turn into ___
posterior crossbite