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. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
canine relationship
premature occlusal contact
occlusion pattern
2. #7 - 26 - 27
centric relation
crossbite
Centric(habitual) occlusion
underjet
3. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
other names for centric occlusion
underjet
pathologic occlusion
4. Mesially - Labially
Attrition
class III - classificaiton
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
openbite
5. 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
Overjet
Unilateral crossbite occurs when
non working or balancing side
functional occlusion
6. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
premature curve of spee
left working movement
tooth mobility
7. 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
molar relationship
overbite
class II - div 2
centric occlusion
8. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
curve of wilson
Overbite is a ___ measurement
primate spaces
Centric occlusion is also called
9. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
conditions that occur in class III
tooth mobility
centric relation
centric occlusion
10. Retrognathic profile
crestal funneling
class II
gingiva
moderate overbite
11. 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
centric relation
Attrition
parafunctional contacts
occlusal trauma
12. Mandibular molars more distal than maxillary molars
Dentures
Overbit
class II
distal step
13. Selective grinding should always be completed after ______ has been controlled
conditions that occur in class II - div 2
end to end
inflammation
Glickman 1963
14. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
Bilateral crossbite occurs on...
conditions that occur in class II - div 2
Overjet
Midline deviation
15. Mandible moves to the right or left
hypercementosis
Lateral excursion
temporalis and masseter
Attrition
16. Buck teeth are common and are considered
underjet
splinting
From a frontal view - anterior teeth lean ___
class II malocclusion
17. Measurement of horizontal overlap w/ probe
Attrition
protrusive occlusion
overjet
Edge to edge bite occurs when
18. Cervical 3rd
severe overbite
Overbit
osteoclast resorption
An ideal curve of spee would be
19. Maximum interlocking of cusp
labialversion or buccoversion
posterior contact
intercuspation
torsoversion
20. Middle 3rd
vertical overlap
premature occlusal contact
moderate overbite
other names for centric occlusion
21. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
Edge to edge bite occurs when
Mandibular posterior teeth vertical alignment
bone support
22. Tongue thrusting; thumb sucking - pacifiers
infraversion
Attrition
causes of open bite
premature occlusal contact
23. Excessive deposition of cementum around the apex - due to excessive occlusal forces
infraversion
Lateral excursion
hypercementosis
codestructive theory
24. During protrusive occ - ______ is considered undesirable
labialversion or buccoversion
infraversion
posterior contact
centric occlusion
25. Tooth positioned more lingual
linguoversion
osteoclast resorption
occlusion pattern
underjet
26. Guidance for protrusive occ should be on the
interdigitation
anterior teeth
openbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
27. The permanent molars erupt posterior to the primary teeth and push them all mesially
centric relation
How the diastemas are closed up(including primates spaces)
causes of open bite
Underjet
28. 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
traumatogenic occlusion
supraversion
Overbit
conditions that occur in class III
29. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
intercuspation
gingiva
primate spaces
30. Later
crestal funneling
traumatogenic occlusion
class II malocclusion
Condyles of the mandible continue grow ___than the maxilla
31. Rotated or twisted; rotated mesial or distal
torsoversion
overjet
class II - div 2
Centric(habitual) occlusion
32. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Occlusion can be affected by
open bite
dynamic occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
33. Crowns tipped lingually - roots tipped laterally
Mandibular posterior teeth vertical alignment
decrease over time
Underjet
functional contacts
34. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
Centric relation
excessive occlusal force
curve of wilson
bone support
35. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Malocclusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Misalignment of teeth
36. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
late curve of spee
occlusal trauma
Overbit
Overjet is a ___ measurement
37. Tongue thrust or thumb sucking can cause
crossbite
decrease over time
inflammation
class II division I occlusion
38. Muscles that work the jaw; may become sore due to occ trauma
Centric relation
curve of monson
centric occlusion - centric relation - protrusive and lateral movements
temporalis and masseter
39. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
selective grinding or occlusal equilibration
horizontal overlap
centric relation
40. 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
Malocclusion
class II - div 1
An ideal curve of spee would be
conditions that occur in class III
41. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
curve of monson
Premature contact
secondary occlusal trauma
Condyles of the mandible continue grow ___than the maxilla
42. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
moderate overbite
Centric(habitual) occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
43. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
leeway spaces
Malocclusion
protrusive occlusion
Condyles of the mandible continue grow ___than the maxilla
44. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
traumatogenic occlusion
Curve of Wilson
conditions that occur in class II - div I
physiologic occlusion
45. After periodontal sugery - mobility will ________
selective grinding or occlusal equilibration
causes of open bite
decrease over time
premature occlusal contact
46. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
malocclusion
centric occlusion - centric relation - protrusive and lateral movements
Overbite is a ___ measurement
47. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
intercuspation
Curve of Spee
physiologic occlusion
48. Excessive occ force with adequate bone support =
class III - classificaiton
secondary occlusal trauma
Centric relation
primary occlusal trauma
49. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
premature occlusal contact
openbite
conditions that occur in class II - div I
Dentures
50. Functional occlusion
Overbit
other names for centric occlusion
intercuspation
dynamic occlusion