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. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
Malocclusion
causes of open bite
overjet
2. Relationship of the teeth in opposite arches; static position
flush terminal plane
centric occlusion
From a frontal view - anterior teeth lean ___
malocclusion
3. Introduced the concept of codestruction
Glickman 1963
Underjet
functional occlusion
excessive occlusal force
4. Anterior; no horizontal overlap
crestal funneling
causes of primary occlusal trauma
edge to edge
hawley appliance
5. Vertical overlapping
normal curve of spee
Abfraction
premature occlusal contact
overbite
6. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
other names for centric occlusion
Bilateral crossbite occurs on...
conditions that occur in class III
7. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
class II
group function
Overbite is a ___ measurement
8. Associated with performance; all contacts during function of the oral cavity
functional occlusion
infraversion
Overjet
overjet
9. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
distal step
Dentures
tooth mobility
10. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
Malocclusion
selective grinding or occlusal equilibration
osteoclast resorption
supraversion
11. A continuation of the spee of to extend through the condyle
Protrusion
Overbite is a ___ measurement
normal curve of spee
An ideal curve of spee would be
12. Guidance for protrusive occ should be on the
class II malocclusion
molar relationship
anterior teeth
drifted mesial
13. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
Intercuspation
Attrition
Open bite
occlusion
14. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
From a frontal view - anterior teeth lean ___
class III - classificaiton
Misalignment of teeth
crestal funneling
15. 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
posterior contact
supraversion
Retrusion
traumatogenic occlusion
16. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
parafunctional contacts
molar relationship
Curve of Spee
class III
17. Usually indicative of moderate to sever perio and secondary occ trauma
Unilateral crossbite occurs when
bone support
canine guidance or protection
pathologic tooth migration
18. Tooth positioned more facial
conditions that occur in class II - div 2
drifted mesial
posterior contact
labialversion or buccoversion
19. Contact between maxillary incisors does not line up with contact of mandibular incisors
curve of spee
Lateral excursion
How the diastemas are closed up(including primates spaces)
Midline deviation
20. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
severe overbite
pathologic tooth migration
tooth mobility
excessive occlusal force
21. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
class II malocclusion
secondary occlusal trauma
excessive occlusal force
anterior crossbite
22. Maximum touching of max and mand
Centric relation
Acromegaly
interdigitation
conditions that occur in class III
23. Mesially - Labially
osteoclast resorption
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
splinting
overjet
24. The way you normally bite your teeth together when not chewing
posterior crossbite
Centric(habitual) occlusion
occlusion
divisions of parafunctional contacts
25. Mandible moves to the right or left
mesial step
Lateral excursion
causes of primary occlusal trauma
canine relationship
26. Later
Condyles of the mandible continue grow ___than the maxilla
decrease over time
Nonworking side
inter-arch
27. Incisal 3rd
gingiva
conditions that occur in class II - div I
normal overbite
Open bite
28. Mesognathic profile
overbite
class I
class III - classificaiton
late curve of spee
29. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
conditions that occur in class II - div I
osteoclast resorption
excessive occlusal force
posterior crossbite
30. Horizontal
Overjet is a ___ measurement
Curve of Wilson
crossbite
hawley appliance
31. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
underjet
Bilateral crossbite occurs on...
centric occlusion - centric relation - protrusive and lateral movements
32. Survival of the dentition despite its deviation from a preconceived hypothetical normal
class II
Acromegaly
primary occlusal trauma
physiologic occlusion
33. Rotated or twisted; rotated mesial or distal
torsoversion
centric occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
protrusive occlusion
34. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
posterior crossbite
Overbit
tooth mobility
35. Tongue thrusting; thumb sucking - pacifiers
causes of open bite
infraversion
Overjet is a ___ measurement
underjet
36. 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
late curve of spee
Attrition
occlusal trauma
splinting
37. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
Working side
occlusion
interdigitation
38. 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
If the condyles continue to grow - extreme mesial step will turn into ___
primate spaces
premature curve of spee
39. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
conditions that occur in class I malocclusion
open bite
malocclusion
codestructive theory
40. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
Overbit
late curve of spee
conditions that occur in class II - div 2
41. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
Curve of Wilson
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Intercuspation
If the condyles continue to grow - extreme mesial step will turn into ___
42. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
malocclusion
overjet
conditions that occur in class II - div I
43. Max canine occludes with mand. canine and mand. 1st premolar.
premature curve of spee
canine relationship
curve of monson
other names for centric occlusion
44. Cervical 3rd
inflammation
severe overbite
premature occlusal contact
Curve of Wilson
45. Difference between primary and secondary occ trauma
Bilateral crossbite occurs on...
bone support
openbite
Leeway space
46. Individual teeth from each arch can be involved in ________________ malocclusion
physiologic occlusion
inter-arch
secondary occlusal trauma
splinting
47. Horizontal distance of anterior teeth in crossbite
underjet
canine guidance or protection
class II - div 2
temporalis and masseter
48. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Leeway space
physiologic occlusion
functional contacts
Acromegaly
49. Maximum interlocking of cusp
interdigitation
conditions that occur in class II - div I
overjet
intercuspation
50. 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
splinting
protrusive occlusion
parafunctional contacts
group function