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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. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
functional occlusion
causes of primary occlusal trauma
malocclusion
interdigitation
2. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
left working movement
Midline deviation
posterior contact
3. Mandible moves to the right or left
temporalis and masseter
non working or balancing side
Premature contact
Lateral excursion
4. Lateral mvmt results in contacct of all posterior teeth
torsoversion
edge to edge
centric occlusion
group function
5. Starts around the mesial of the 1st molar
occlusal trauma
Condyles of the mandible continue grow ___than the maxilla
Bilateral crossbite occurs on...
normal curve of spee
6. Introduced the concept of codestruction
Glickman 1963
conditions that occur in class II - div 2
distal step
splinting
7. Horizontal distance of anterior teeth in crossbite
mesial step
physiologic occlusion
infraversion
underjet
8. Prognathic profile
inflammation
codestructive theory
Centric(habitual) occlusion
class III
9. #10 & #23
openbite
centric relation
mesial step
curve of wilson
10. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
Attrition
Nonworking side
left working movement
11. Above occlusal plane
supraversion
parafunctional contacts
protrusive occlusion
late curve of spee
12. Teeth are misaligned when biting together
edge to edge
dynamic occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Malocclusion
13. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
Abfraction
malocclusion
excessive occlusal force
14. Selective grinding should always be completed after ______ has been controlled
Maxillary posterior teeth vertical alignment
mesial step
Mandibular posterior teeth vertical alignment
inflammation
15. Both sides
excessive occlusal force
Bilateral crossbite occurs on...
temporalis and masseter
intercuspation
16. Maximal intercuspation or contact of the max and mand teeth
class II - div 1
Midline deviation
centric occlusion
underjet
17. Primary teeth set ___________________ for permanent
moderate overbite
curve of monson
occlusion pattern
functional occlusion
18. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
normal curve of spee
conditions that occur in class I malocclusion
conditions that occur in class III
19. Mvmt of the mandible in a direction anterior to centric occ
premature occlusal contact
normal curve of spee
Underjet
protrusive occlusion
20. Mesially - Labially
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
open bite
Underjet
centric relation
21. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Crossbite
overbite
molar relationship
inter-arch
22. When no teeth are contacting on this side
Nonworking side
causes of open bite
vertical overlap
class II division I occlusion
23. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Edge to edge bite occurs when
occlusion
Midline deviation
posterior contact
24. Associated with performance; all contacts during function of the oral cavity
diastemas
Overbit
Bilateral crossbite occurs on...
functional occlusion
25. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
Malocclusion
premature occlusal contact
other names for centric occlusion
26. Overlap of anterior teeth
Retrusion
vertical overlap
occlusal trauma
edge to edge
27. Below occlusal plane
infraversion
late curve of spee
horizontal overlap
Retrusion
28. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Acromegaly
Occlusion can be affected by
Intercuspation
malocclusion
29. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
physiologic occlusion
Overjet
Edge to edge bite occurs when
30. Slight buccal inclination of crown - lingual inclination of root
occlusal trauma
crossbite
Maxillary posterior teeth vertical alignment
Edge to edge bite occurs when
31. Survival of the dentition despite its deviation from a preconceived hypothetical normal
parafunctional contacts
Hereditary factors include
conditions that occur in class III
physiologic occlusion
32. 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
Malocclusion
Overbit
Protrusion
class III - classificaiton
33. Tooth positioned more facial
traumatic overbite
centric relation
Overjet is a ___ measurement
labialversion or buccoversion
34. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
infraversion
premature curve of spee
secondary occlusal trauma
35. Contact between maxillary incisors does not line up with contact of mandibular incisors
Centric relation
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Midline deviation
malocclusion
36. Widening of the PDL in areas under pressure results due to
Acromegaly
osteoclast resorption
Bilateral crossbite occurs on...
functional occlusion
37. Curve spee & wilson - 3-d - not proven
class II
posterior contact
primary occlusal trauma
curve of monson
38. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
pathologic occlusion
tooth mobility
overjet
conditions that occur in class I malocclusion
39. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
pathologic occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
anterior crossbite
Retrusion
40. Maximum interlocking of cusp
inflammation
Premature contact
conditions that occur in class II - div 2
intercuspation
41. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
linguoversion
temporalis and masseter
centric relation
Hereditary factors include
42. Curve of the occlusal plane; from anterior to posterior - increases with age
osteoclast resorption
curve of spee
causes of open bite
class II - div 1
43. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
curve of spee
curve of monson
Misalignment of teeth
vertical overlap
44. Most common cause is when the maxilla does not grow in proportion to the mandible
crestal funneling
osteoclast resorption
overbite
Crossbite
45. ____ is not a sign of occl trauma
Intercuspation
occlusion
occlusal erosion
underjet
46. 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
causes of open bite
Overjet
occlusal erosion
fremitus
47. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
Malocclusion
functional occlusion
Protrusion
48. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
canine guidance or protection
flush terminal plane
occlusal trauma
49. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
Overbit
Misalignment of teeth
functional contacts
50. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
molar relationship
Retrusion
An ideal curve of spee would be
occlusal trauma