SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Curve spee & wilson - 3-d - not proven
Glickman 1963
fremitus
curve of monson
pathologic occlusion
2. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
functional contacts
canine guidance or protection
leeway spaces
occlusal erosion
3. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
Nonworking side
crestal funneling
occlusal trauma
Crossbite
4. Overlap of anterior teeth
Unilateral crossbite occurs when
traumatogenic occlusion
vertical overlap
normal overbite
5. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
dynamic occlusion
functional occlusion
physiologic occlusion
intercuspation
6. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
conditions that occur in class II - div 2
Attrition
causes of primary occlusal trauma
7. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
protrusive occlusion
dynamic occlusion
Leeway space
occlusal erosion
8. Most common cause is when the maxilla does not grow in proportion to the mandible
Open bite
causes of open bite
Crossbite
Overjet
9. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
dynamic occlusion
tooth mobility
temporalis and masseter
excessive occlusal force
10. 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
occlusal trauma
occlusion
Centric relation
Unilateral crossbite occurs when
11. Vertical
Leeway space
Curve of Spee
Overbite is a ___ measurement
Overjet
12. Cervical 3rd
class II division I occlusion
Condyles of the mandible continue grow ___than the maxilla
class II
severe overbite
13. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
premature curve of spee
primate spaces
Centric(habitual) occlusion
osteoclast resorption
14. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Working side
occlusion
Lateral excursion
Midline deviation
15. Introduced the concept of codestruction
Edge to edge bite occurs when
tooth mobility
inflammation
Glickman 1963
16. Max canine occludes with mand. canine and mand. 1st premolar.
posterior contact
anterior crossbite
canine relationship
causes of primary occlusal trauma
17. Vibrational mvmt of a tooth under occ function
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
fremitus
conditions that occur in class II - div I
class I
18. Anterior; no horizontal overlap
Overjet
Midline deviation
edge to edge
Hereditary factors include
19. Teeth are misaligned when biting together
Malocclusion
severe overbite
Overbit
occlusal trauma
20. Lateral mvmt results in contact btwn the max and mand canines
drifted mesial
Premature contact
openbite
canine guidance or protection
21. 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
pathologic tooth migration
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
Overbit
22. Habitual - acquired - convenience - intercuspal & static
Leeway space
labialversion or buccoversion
other names for centric occlusion
mesial step
23. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
left working movement
group function
class II - div 2
24. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
horizontal overlap
canine guidance or protection
Hereditary factors include
gingiva
25. After periodontal sugery - mobility will ________
decrease over time
primate spaces
canine guidance or protection
Protrusion
26. Mb cusp of max 1st molar-buccal groove of mand 1st molar
fremitus
molar relationship
vertical overlap
occlusal trauma
27. Normal contacts between max. and mand. teeth; momentary contacts
Dentures
excessive occlusal force
Working side
functional contacts
28. Selective grinding should always be completed after ______ has been controlled
Crossbite
physiologic occlusion
inflammation
non working or balancing side
29. Anterior or posterior; bilateral or unitlateral - anterior more common
Mandibular posterior teeth vertical alignment
molar relationship
distal step
open bite
30. 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
Overjet
occlusal erosion
Retrusion
occlusion
31. During protrusive occ - ______ is considered undesirable
crestal funneling
posterior contact
Hereditary factors include
edge to edge
32. Maxillary incisors are are lingual to mandibular incisors
hypercementosis
inflammation
Underjet
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
33. Incisal 3rd
normal overbite
Dentures
Acromegaly
occlusal erosion
34. Maxillary anterior teeth stick out labially from tongue thrusting
open bite
Protrusion
centric occlusion
underjet
35. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
Nonworking side
premature occlusal contact
pathologic occlusion
Working side
36. Later
splinting
Centric relation
Condyles of the mandible continue grow ___than the maxilla
moderate overbite
37. Abnormal contacts; occlusal habits - and neuroses
Edge to edge bite occurs when
parafunctional contacts
end to end
Overjet
38. The side to which the mandible moves(chewing side)
codestructive theory
overbite
Working side
curve of monson
39. The permanent molars erupt posterior to the primary teeth and push them all mesially
conditions that occur in class II - div I
class II - div 1
How the diastemas are closed up(including primates spaces)
Misalignment of teeth
40. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Retrusion
causes of open bite
Misalignment of teeth
curve of spee
41. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
centric relation
traumatic overbite
From a frontal view - anterior teeth lean ___
causes of primary occlusal trauma
42. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
canine guidance or protection
Acromegaly
Centric(habitual) occlusion
43. Maximum touching of max and mand
Crossbite
tooth mobility
interdigitation
Acromegaly
44. Tooth positioned more facial
labialversion or buccoversion
bone support
secondary occlusal trauma
late curve of spee
45. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
Overbit
infraversion
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
46. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
curve of wilson
left working movement
selective grinding or occlusal equilibration
Lateral excursion
47. A continuation of the spee of to extend through the condyle
canine guidance or protection
Intercuspation
An ideal curve of spee would be
centric relation
48. 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
Mandibular posterior teeth vertical alignment
conditions that occur in class I malocclusion
class II - div 1
intercuspation
49. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
conditions that occur in class II - div I
divisions of parafunctional contacts
pathologic tooth migration
Curve of Wilson
50. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
An ideal curve of spee would be
excessive occlusal force
posterior contact
open bite