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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. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
How the diastemas are closed up(including primates spaces)
class III
dynamic occlusion
2. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
Crossbite
class II division I occlusion
causes of primary occlusal trauma
divisions of parafunctional contacts
3. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
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
distal step
Dentures
functional occlusion
4. Maxillary incisors are are lingual to mandibular incisors
How the diastemas are closed up(including primates spaces)
bone support
centric relation
Underjet
5. 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
occlusion
class II
Overbit
occlusal erosion
6. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Abfraction
codestructive theory
occlusal trauma
occlusion
7. Abnormal contacts; occlusal habits - and neuroses
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
labialversion or buccoversion
parafunctional contacts
Leeway space
8. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Working side
molar relationship
Centric relation
curve of monson
9. Cusps of maxillary teeth directly over cusps of mandibular teeth
How the diastemas are closed up(including primates spaces)
traumatogenic occlusion
occlusion
Edge to edge bite occurs when
10. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
end to end
bone support
fremitus
anterior crossbite
11. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
labialversion or buccoversion
drifted mesial
occlusion pattern
12. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
traumatogenic occlusion
Malocclusion
Centric(habitual) occlusion
Centric relation
13. Incisal 3rd
normal overbite
centric relation
openbite
functional occlusion
14. 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
If the condyles continue to grow - extreme mesial step will turn into ___
Attrition
occlusal erosion
flush terminal plane
15. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
How the diastemas are closed up(including primates spaces)
edge to edge
physiologic occlusion
Edge to edge bite occurs when
16. Vertical
occlusion pattern
Overbite is a ___ measurement
premature occlusal contact
excessive occlusal force
17. Associated with performance; all contacts during function of the oral cavity
premature occlusal contact
conditions that occur in class III
functional occlusion
conditions that occur in class II - div 2
18. Prognathic profile
class III
tooth mobility
An ideal curve of spee would be
Centric(habitual) occlusion
19. Mesially - Labially
Open bite
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
Glickman 1963
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
20. Excessive occ force with adequate bone support =
drifted mesial
centric relation
primary occlusal trauma
osteoclast resorption
21. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Occlusion can be affected by
conditions that occur in class II - div 2
class II
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
22. Below occlusal plane
infraversion
openbite
traumatogenic occlusion
premature occlusal contact
23. Anterior; no horizontal overlap
Occlusion can be affected by
edge to edge
anterior teeth
other names for centric occlusion
24. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
non working or balancing side
class I
divisions of parafunctional contacts
centric relation
25. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Bilateral crossbite occurs on...
How the diastemas are closed up(including primates spaces)
drifted mesial
leeway spaces
26. Retrognathic profile
intercuspation
severe overbite
overbite
class II
27. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
class II division I occlusion
traumatogenic occlusion
temporalis and masseter
class II malocclusion
28. 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
Abfraction
Attrition
posterior contact
Unilateral crossbite occurs when
29. Primary teeth set ___________________ for permanent
occlusion pattern
labialversion or buccoversion
Open bite
Dentures
30. Overlap of anterior teeth
crestal funneling
vertical overlap
centric occlusion
group function
31. Vertical overlapping
overbite
curve of wilson
occlusion pattern
primate spaces
32. Maxillary - Mandibular - Facial
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
Malocclusion
From a frontal view - anterior teeth lean ___
normal overbite
33. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
labialversion or buccoversion
Open bite
class I
curve of monson
34. Radiographically - the PDL space is wider at the coronal third of the root
occlusal trauma
drifted mesial
occlusion pattern
crestal funneling
35. Habitual - acquired - convenience - intercuspal & static
Misalignment of teeth
Centric(habitual) occlusion
flush terminal plane
other names for centric occlusion
36. The permanent molars erupt posterior to the primary teeth and push them all mesially
occlusal trauma
How the diastemas are closed up(including primates spaces)
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
normal overbite
37. Mandibular molars more mesial than maxillary molars (most children)
causes of primary occlusal trauma
gingiva
curve of wilson
mesial step
38. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
mesial step
An ideal curve of spee would be
conditions that occur in class III
functional occlusion
39. Maximum interlocking of cusp
intercuspation
primate spaces
Misalignment of teeth
Unilateral crossbite occurs when
40. Lateral mvmt results in contacct of all posterior teeth
Crossbite
late curve of spee
group function
centric relation
41. Normal contacts between max. and mand. teeth; momentary contacts
class I
primate spaces
Glickman 1963
functional contacts
42. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
Overbite is a ___ measurement
occlusal trauma
osteoclast resorption
underjet
43. During protrusive occ - ______ is considered undesirable
class II - div 1
dynamic occlusion
primary occlusal trauma
posterior contact
44. 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
Hereditary factors include
centric relation
primate spaces
splinting
45. Spaces between two teeth
underjet
diastemas
Bilateral crossbite occurs on...
traumatic overbite
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
Overjet
group function
Overjet is a ___ measurement
conditions that occur in class III
47. #10 & #23
labialversion or buccoversion
openbite
class III - classificaiton
late curve of spee
48. Occlusal guard =
conditions that occur in class III
Misalignment of teeth
physiologic occlusion
hawley appliance
49. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
linguoversion
divisions of parafunctional contacts
primate spaces
class II malocclusion
50. Patients show evidence or signs and syptoms of occ disease
posterior crossbite
secondary occlusal trauma
Bilateral crossbite occurs on...
pathologic occlusion