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. 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
non working or balancing side
centric relation
Overbit
hypercementosis
2. Excessive occ force with adequate bone support =
end to end
primary occlusal trauma
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
crestal funneling
3. Curve spee & wilson - 3-d - not proven
divisions of parafunctional contacts
curve of monson
If the condyles continue to grow - extreme mesial step will turn into ___
edge to edge
4. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
flush terminal plane
Lateral excursion
pathologic tooth migration
5. The side to which the mandible moves(chewing side)
class III - classificaiton
physiologic occlusion
crestal funneling
Working side
6. Contact between maxillary incisors does not line up with contact of mandibular incisors
Lateral excursion
normal overbite
conditions that occur in class II - div I
Midline deviation
7. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
occlusal erosion
centric occlusion
inter-arch
conditions that occur in class II - div I
8. Widening of the PDL in areas under pressure results due to
distal step
osteoclast resorption
Centric occlusion is also called
curve of wilson
9. Selective grinding should always be completed after ______ has been controlled
supraversion
inflammation
decrease over time
Maxillary posterior teeth vertical alignment
10. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
traumatic overbite
Leeway space
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
11. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Retrusion
Misalignment of teeth
temporalis and masseter
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
12. Vertical overlapping
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
overbite
centric relation
end to end
13. Maximum interlocking of cusp
normal curve of spee
intercuspation
occlusion pattern
traumatic overbite
14. Teeth are misaligned when biting together
Premature contact
pathologic tooth migration
Malocclusion
curve of spee
15. Overlap of anterior teeth
hypercementosis
distal step
vertical overlap
Maxillary posterior teeth vertical alignment
16. 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
normal curve of spee
Attrition
primate spaces
How the diastemas are closed up(including primates spaces)
17. Usually indicative of moderate to sever perio and secondary occ trauma
Occlusion can be affected by
Underjet
pathologic tooth migration
canine relationship
18. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
openbite
class II - div 1
Curve of Spee
moderate overbite
19. Starts closer to the posterior of the 1st molar
centric occlusion
underjet
late curve of spee
curve of spee
20. Spaces between two teeth
group function
traumatogenic occlusion
centric occlusion
diastemas
21. 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
posterior crossbite
An ideal curve of spee would be
Unilateral crossbite occurs when
crossbite
22. Associated with performance; all contacts during function of the oral cavity
functional occlusion
centric occlusion
occlusal trauma
Dentures
23. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
Unilateral crossbite occurs when
functional occlusion
premature occlusal contact
vertical overlap
24. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
osteoclast resorption
left working movement
Premature contact
If the condyles continue to grow - extreme mesial step will turn into ___
25. Mandibular molars more mesial than maxillary molars (most children)
conditions that occur in class III
mesial step
normal curve of spee
Dentures
26. Difference between primary and secondary occ trauma
late curve of spee
Overjet is a ___ measurement
bone support
class II - div 1
27. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced
traumatogenic occlusion
Overjet is a ___ measurement
left working movement
splinting
28. Mesognathic profile
overjet
primate spaces
infraversion
class I
29. Starts around the mesial of the 1st molar
If the condyles continue to grow - extreme mesial step will turn into ___
normal curve of spee
Dentures
horizontal overlap
30. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
normal overbite
Leeway space
Curve of Wilson
If the condyles continue to grow - extreme mesial step will turn into ___
31. Horizontal distance of anterior teeth in crossbite
underjet
pathologic tooth migration
Working side
class II - div 1
32. Mandible moves to the right or left
Unilateral crossbite occurs when
edge to edge
parafunctional contacts
Lateral excursion
33. Habitual - acquired - convenience - intercuspal & static
curve of wilson
occlusion
other names for centric occlusion
edge to edge
34. 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
class III - classificaiton
canine relationship
From a frontal view - anterior teeth lean ___
class II
35. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
From a frontal view - anterior teeth lean ___
crossbite
Dentures
36. Survival of the dentition despite its deviation from a preconceived hypothetical normal
centric relation
class II - div 2
physiologic occlusion
class III - classificaiton
37. Above occlusal plane
occlusal trauma
Bilateral crossbite occurs on...
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
supraversion
38. Anterior or posterior; bilateral or unitlateral - anterior more common
occlusion pattern
open bite
curve of monson
inflammation
39. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
Underjet
crossbite
class III - classificaiton
40. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
open bite
primary occlusal trauma
drifted mesial
41. ____ is not a sign of occl trauma
Acromegaly
overjet
occlusal erosion
decrease over time
42. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
Attrition
dynamic occlusion
Crossbite
43. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
underjet
crossbite
overjet
44. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Occlusion can be affected by
functional contacts
end to end
left working movement
45. Vertical
Hereditary factors include
Overbite is a ___ measurement
crossbite
Overbit
46. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
Open bite
Attrition
class III
47. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
conditions that occur in class II - div I
group function
Attrition
48. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
splinting
occlusal erosion
occlusion
From a frontal view - anterior teeth lean ___
49. The permanent molars erupt posterior to the primary teeth and push them all mesially
parafunctional contacts
Curve of Spee
How the diastemas are closed up(including primates spaces)
severe overbite
50. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Working side
left working movement
How the diastemas are closed up(including primates spaces)