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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. Vibrational mvmt of a tooth under occ function
fremitus
Open bite
occlusal trauma
canine relationship
2. Tooth positioned more facial
late curve of spee
labialversion or buccoversion
posterior crossbite
divisions of parafunctional contacts
3. 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
Hereditary factors include
drifted mesial
Overjet is a ___ measurement
Retrusion
4. Occlusal guard =
late curve of spee
Acromegaly
hawley appliance
occlusal trauma
5. Incisal 3rd
anterior teeth
overbite
left working movement
normal overbite
6. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
centric relation
secondary occlusal trauma
Acromegaly
conditions that occur in class II - div I
7. Habitual - acquired - convenience - intercuspal & static
Lateral excursion
non working or balancing side
other names for centric occlusion
infraversion
8. Primary teeth set ___________________ for permanent
Attrition
Underjet
occlusion pattern
labialversion or buccoversion
9. Buck teeth are common and are considered
curve of monson
class II malocclusion
Attrition
Occlusion can be affected by
10. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
Unilateral crossbite occurs when
edge to edge
traumatogenic occlusion
11. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Occlusion can be affected by
overbite
Open bite
excessive occlusal force
12. Maxillary overlap mandibular; whole arch
primate spaces
horizontal overlap
bone support
curve of monson
13. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
drifted mesial
class II - div 2
occlusal trauma
distal step
14. Introduced the concept of codestruction
Glickman 1963
class II malocclusion
Centric relation
hawley appliance
15. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
centric occlusion
Crossbite
excessive occlusal force
16. Relationship of the arches bone to bone;
non working or balancing side
Attrition
underjet
centric relation
17. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
openbite
Abfraction
traumatic overbite
linguoversion
18. ____ is not a sign of occl trauma
conditions that occur in class II - div I
class II division I occlusion
occlusal erosion
anterior crossbite
19. Mandible moves to the right or left
From a frontal view - anterior teeth lean ___
Lateral excursion
severe overbite
occlusal erosion
20. 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
anterior crossbite
traumatic overbite
Attrition
From a frontal view - anterior teeth lean ___
21. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
anterior crossbite
codestructive theory
Misalignment of teeth
interdigitation
22. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
causes of open bite
occlusion
occlusal trauma
centric occlusion - centric relation - protrusive and lateral movements
23. Muscles that work the jaw; may become sore due to occ trauma
class II - div 2
Attrition
temporalis and masseter
canine guidance or protection
24. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
edge to edge
excessive occlusal force
Maxillary posterior teeth vertical alignment
Curve of Spee
25. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
How the diastemas are closed up(including primates spaces)
occlusal trauma
premature occlusal contact
26. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
inflammation
interdigitation
Overjet is a ___ measurement
functional occlusion
27. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
physiologic occlusion
Misalignment of teeth
Edge to edge bite occurs when
28. 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
Attrition
splinting
curve of spee
posterior contact
29. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
group function
Curve of Spee
functional occlusion
tooth mobility
30. The way you normally bite your teeth together when not chewing
Glickman 1963
Centric(habitual) occlusion
From a frontal view - anterior teeth lean ___
traumatogenic occlusion
31. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
other names for centric occlusion
Overjet
leeway spaces
32. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
An ideal curve of spee would be
conditions that occur in class II - div 2
Crossbite
Glickman 1963
33. Vertical
parafunctional contacts
Overbite is a ___ measurement
conditions that occur in class II - div I
traumatic overbite
34. Curve spee & wilson - 3-d - not proven
curve of monson
pathologic tooth migration
occlusion
Open bite
35. #10 & #23
occlusal trauma
openbite
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
traumatogenic occlusion
36. #7 - 26 - 27
Malocclusion
Dentures
crossbite
centric occlusion
37. Mandibular molars more distal than maxillary molars
Centric relation
distal step
canine relationship
open bite
38. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
osteoclast resorption
traumatogenic occlusion
posterior crossbite
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
39. During protrusive occ - ______ is considered undesirable
pathologic tooth migration
Overjet is a ___ measurement
posterior contact
Curve of Spee
40. Vertical overlapping
supraversion
parafunctional contacts
overbite
Leeway space
41. Patients show evidence or signs and syptoms of occ disease
horizontal overlap
pathologic occlusion
pathologic tooth migration
Acromegaly
42. Starts closer to premolars
secondary occlusal trauma
premature curve of spee
flush terminal plane
Maxillary posterior teeth vertical alignment
43. A continuation of the spee of to extend through the condyle
class II
An ideal curve of spee would be
class II - div 1
class III
44. II (mal)occlusion
Unilateral crossbite occurs when
crossbite
crestal funneling
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
45. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
Working side
posterior crossbite
splinting
46. Maximum touching of max and mand
interdigitation
Mandibular posterior teeth vertical alignment
inter-arch
parafunctional contacts
47. Crowns tipped lingually - roots tipped laterally
dynamic occlusion
class III - classificaiton
occlusion
Mandibular posterior teeth vertical alignment
48. Mesially - Labially
moderate overbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
fremitus
posterior crossbite
49. Both sides
moderate overbite
Unilateral crossbite occurs when
Overjet
Bilateral crossbite occurs on...
50. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Lateral excursion
codestructive theory
horizontal overlap
physiologic occlusion