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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. Maxillary overlap mandibular; whole arch
temporalis and masseter
causes of open bite
horizontal overlap
crestal funneling
2. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
normal overbite
edge to edge
intercuspation
3. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
malocclusion
tooth mobility
curve of wilson
Intercuspation
4. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
Curve of Wilson
curve of monson
parafunctional contacts
class I
5. Middle 3rd
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
moderate overbite
occlusal trauma
pathologic tooth migration
6. Vertical overlapping
If the condyles continue to grow - extreme mesial step will turn into ___
non working or balancing side
Overjet is a ___ measurement
overbite
7. Most common cause is when the maxilla does not grow in proportion to the mandible
Mandibular posterior teeth vertical alignment
centric relation
Crossbite
occlusal trauma
8. Max canine occludes with mand. canine and mand. 1st premolar.
Centric(habitual) occlusion
canine relationship
Maxillary posterior teeth vertical alignment
moderate overbite
9. Muscles that work the jaw; may become sore due to occ trauma
curve of spee
Bilateral crossbite occurs on...
Occlusion can be affected by
temporalis and masseter
10. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
premature occlusal contact
supraversion
protrusive occlusion
11. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
gingiva
edge to edge
malocclusion
12. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
posterior crossbite
An ideal curve of spee would be
Misalignment of teeth
Open bite
13. Mandible moves to the right or left
Lateral excursion
anterior crossbite
osteoclast resorption
open bite
14. Mandibular molars more distal than maxillary molars
Midline deviation
curve of monson
distal step
Condyles of the mandible continue grow ___than the maxilla
15. Habitual - acquired - convenience - intercuspal & static
Condyles of the mandible continue grow ___than the maxilla
other names for centric occlusion
traumatic overbite
Edge to edge bite occurs when
16. 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
supraversion
centric occlusion - centric relation - protrusive and lateral movements
premature curve of spee
17. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
An ideal curve of spee would be
centric occlusion
centric relation
temporalis and masseter
18. 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
normal curve of spee
bone support
Nonworking side
Unilateral crossbite occurs when
19. Prognathic profile
temporalis and masseter
class III
Condyles of the mandible continue grow ___than the maxilla
crossbite
20. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Overjet
physiologic occlusion
class II division I occlusion
class II
21. Primary teeth set ___________________ for permanent
occlusion pattern
conditions that occur in class III
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
splinting
22. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
class II division I occlusion
Protrusion
Premature contact
canine guidance or protection
23. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
leeway spaces
bone support
left working movement
24. Maxillary anterior teeth stick out labially from tongue thrusting
bone support
Protrusion
class II - div 1
Overbite is a ___ measurement
25. Horizontal distance of anterior teeth in crossbite
occlusal erosion
Working side
From a frontal view - anterior teeth lean ___
underjet
26. ____ is not a sign of occl trauma
supraversion
Midline deviation
class II division I occlusion
occlusal erosion
27. Occlusal guard =
mesial step
hawley appliance
hypercementosis
occlusion pattern
28. Curve spee & wilson - 3-d - not proven
conditions that occur in class III
normal curve of spee
functional occlusion
curve of monson
29. Maxillary - Mandibular - Facial
posterior crossbite
Bilateral crossbite occurs on...
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
Premature contact
30. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
physiologic occlusion
Open bite
malocclusion
centric occlusion
31. 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
class II malocclusion
torsoversion
splinting
traumatogenic occlusion
32. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
inter-arch
conditions that occur in class II - div 2
anterior crossbite
non working or balancing side
33. Selective grinding should always be completed after ______ has been controlled
Overjet is a ___ measurement
inflammation
posterior contact
occlusal trauma
34. Tooth positioned more lingual
class I
linguoversion
divisions of parafunctional contacts
From a frontal view - anterior teeth lean ___
35. Widening of the PDL in areas under pressure results due to
osteoclast resorption
centric occlusion - centric relation - protrusive and lateral movements
premature curve of spee
temporalis and masseter
36. Functional occlusion
centric occlusion - centric relation - protrusive and lateral movements
Retrusion
dynamic occlusion
late curve of spee
37. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
non working or balancing side
posterior contact
Nonworking side
38. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
flush terminal plane
Midline deviation
Centric relation
39. Later
drifted mesial
Condyles of the mandible continue grow ___than the maxilla
supraversion
diastemas
40. Retrognathic profile
Malocclusion
functional occlusion
class II
hawley appliance
41. If the mandible moves to the left - the mvmt is known as a left working movement
causes of open bite
class III
Intercuspation
left working movement
42. Mvmt of the mandible in a direction anterior to centric occ
Dentures
centric relation
protrusive occlusion
secondary occlusal trauma
43. Overlap of anterior teeth
premature curve of spee
Occlusion can be affected by
vertical overlap
Mandibular posterior teeth vertical alignment
44. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
curve of wilson
torsoversion
Maxillary posterior teeth vertical alignment
primate spaces
45. Maximal intercuspation or contact of the max and mand teeth
temporalis and masseter
causes of open bite
class II malocclusion
centric occlusion
46. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
Overjet
crossbite
Overbit
47. Normal contacts between max. and mand. teeth; momentary contacts
class II - div 2
functional contacts
late curve of spee
group function
48. During selective grinding - occlusion should be adjusted In what four relationships
protrusive occlusion
Mandibular posterior teeth vertical alignment
anterior teeth
centric occlusion - centric relation - protrusive and lateral movements
49. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
Misalignment of teeth
tooth mobility
drifted mesial
canine guidance or protection
50. Maximum interlocking of cusp
intercuspation
occlusal erosion
Glickman 1963
malocclusion