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. Cervical 3rd
gingiva
linguoversion
canine relationship
severe overbite
2. Middle 3rd
diastemas
moderate overbite
selective grinding or occlusal equilibration
Crossbite
3. Incisal 3rd
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
normal overbite
occlusion pattern
4. Rotated or twisted; rotated mesial or distal
Intercuspation
physiologic occlusion
torsoversion
normal overbite
5. Vertical
Overbite is a ___ measurement
class II - div 2
class III - classificaiton
posterior contact
6. Tooth positioned more facial
centric occlusion
temporalis and masseter
labialversion or buccoversion
Open bite
7. During a left working movement - the right side is known as the
posterior contact
non working or balancing side
codestructive theory
crossbite
8. Survival of the dentition despite its deviation from a preconceived hypothetical normal
premature occlusal contact
physiologic occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
vertical overlap
9. Tooth positioned more lingual
horizontal overlap
linguoversion
torsoversion
occlusal trauma
10. Laterally
class II
From a frontal view - anterior teeth lean ___
crestal funneling
fremitus
11. Mandibular molars and maxillary molars are even
class III
flush terminal plane
hawley appliance
Overbit
12. Later
occlusal erosion
temporalis and masseter
Condyles of the mandible continue grow ___than the maxilla
mesial step
13. Normal contacts between max. and mand. teeth; momentary contacts
If the condyles continue to grow - extreme mesial step will turn into ___
gingiva
selective grinding or occlusal equilibration
functional contacts
14. Abnormal contacts; occlusal habits - and neuroses
Condyles of the mandible continue grow ___than the maxilla
excessive occlusal force
occlusal trauma
parafunctional contacts
15. Buck teeth are common and are considered
class II malocclusion
centric occlusion
divisions of parafunctional contacts
excessive occlusal force
16. Introduced the concept of codestruction
Glickman 1963
class II
conditions that occur in class I malocclusion
traumatic overbite
17. Maximum touching of max and mand
normal curve of spee
occlusion
class I
interdigitation
18. Cusps of maxillary teeth directly over cusps of mandibular teeth
premature curve of spee
normal overbite
Edge to edge bite occurs when
Curve of Spee
19. During selective grinding - occlusion should be adjusted In what four relationships
open bite
centric occlusion - centric relation - protrusive and lateral movements
physiologic occlusion
crossbite
20. ____ is not a sign of occl trauma
occlusal erosion
Protrusion
underjet
causes of open bite
21. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
class I
premature curve of spee
premature occlusal contact
diastemas
22. Retrognathic profile
late curve of spee
class II
premature curve of spee
edge to edge
23. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
splinting
physiologic occlusion
occlusal trauma
secondary occlusal trauma
24. Slight buccal inclination of crown - lingual inclination of root
leeway spaces
Maxillary posterior teeth vertical alignment
overjet
openbite
25. 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
class II malocclusion
Attrition
moderate overbite
Dentures
26. Maxillary - Mandibular - Facial
How the diastemas are closed up(including primates spaces)
Crossbite
Lateral excursion
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
27. Above occlusal plane
left working movement
supraversion
end to end
class III
28. Muscles that work the jaw; may become sore due to occ trauma
premature curve of spee
Centric occlusion is also called
Leeway space
temporalis and masseter
29. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
canine relationship
Attrition
divisions of parafunctional contacts
anterior teeth
30. 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 tooth migration
splinting
parafunctional contacts
Intercuspation
31. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
severe overbite
Open bite
Underjet
32. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
Overjet
anterior crossbite
Acromegaly
crossbite
33. 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
Retrusion
crossbite
class III - classificaiton
class II
34. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Curve of Spee
Acromegaly
anterior crossbite
If the condyles continue to grow - extreme mesial step will turn into ___
35. 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
secondary occlusal trauma
class II - div 2
Overjet
supraversion
36. 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
class II - div 1
late curve of spee
class II malocclusion
selective grinding or occlusal equilibration
37. Horizontal distance of anterior teeth in crossbite
centric occlusion - centric relation - protrusive and lateral movements
underjet
traumatogenic occlusion
intercuspation
38. Contact between maxillary incisors does not line up with contact of mandibular incisors
premature occlusal contact
Midline deviation
leeway spaces
pathologic tooth migration
39. Maximum interlocking of cusp
codestructive theory
intercuspation
class I
Abfraction
40. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
divisions of parafunctional contacts
Intercuspation
malocclusion
41. 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
interdigitation
Condyles of the mandible continue grow ___than the maxilla
Abfraction
posterior contact
42. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
centric occlusion - centric relation - protrusive and lateral movements
Abfraction
occlusal erosion
43. Horizontal
temporalis and masseter
anterior crossbite
Overjet is a ___ measurement
conditions that occur in class I malocclusion
44. Starts around the mesial of the 1st molar
Malocclusion
centric occlusion - centric relation - protrusive and lateral movements
normal curve of spee
leeway spaces
45. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
curve of wilson
malocclusion
physiologic occlusion
46. Measurement of horizontal overlap w/ probe
crossbite
overjet
curve of wilson
traumatogenic occlusion
47. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
conditions that occur in class II - div 2
Occlusion can be affected by
occlusal trauma
48. Maxillary anterior teeth stick out labially from tongue thrusting
Protrusion
divisions of parafunctional contacts
conditions that occur in class III
decrease over time
49. What is not affected by occ trauma
Bilateral crossbite occurs on...
anterior crossbite
selective grinding or occlusal equilibration
gingiva
50. Posterior; no horizontal overlap
end to end
anterior teeth
Lateral excursion
selective grinding or occlusal equilibration