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. Maximum touching of max and mand
Protrusion
splinting
posterior contact
interdigitation
2. Slight buccal inclination of crown - lingual inclination of root
physiologic occlusion
vertical overlap
Maxillary posterior teeth vertical alignment
mesial step
3. Horizontal distance of anterior teeth in crossbite
interdigitation
centric relation
occlusal erosion
underjet
4. Measurement of horizontal overlap w/ probe
Midline deviation
overjet
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
intercuspation
5. Prognathic profile
Overjet
class III
If the condyles continue to grow - extreme mesial step will turn into ___
centric occlusion
6. Vertical overlapping
intercuspation
traumatogenic occlusion
overbite
vertical overlap
7. Anterior; no horizontal overlap
edge to edge
Centric occlusion is also called
intercuspation
Misalignment of teeth
8. Incisal 3rd
normal overbite
Protrusion
linguoversion
Overjet is a ___ measurement
9. Mandibular molars more mesial than maxillary molars (most children)
Mandibular posterior teeth vertical alignment
centric relation
normal curve of spee
mesial step
10. Spaces between two teeth
diastemas
occlusal trauma
Attrition
premature curve of spee
11. Below occlusal plane
infraversion
Mandibular posterior teeth vertical alignment
labialversion or buccoversion
Occlusion can be affected by
12. Mandibular molars more distal than maxillary molars
canine guidance or protection
Attrition
causes of primary occlusal trauma
distal step
13. Horizontal
Overjet is a ___ measurement
conditions that occur in class III
Acromegaly
protrusive occlusion
14. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
infraversion
functional occlusion
parafunctional contacts
centric relation
15. Max canine occludes with mand. canine and mand. 1st premolar.
pathologic occlusion
canine relationship
bone support
horizontal overlap
16. When no teeth are contacting on this side
Curve of Spee
canine guidance or protection
inter-arch
Nonworking side
17. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
centric occlusion
Open bite
openbite
18. Middle 3rd
Edge to edge bite occurs when
moderate overbite
premature curve of spee
primary occlusal trauma
19. Laterally
class II
Malocclusion
class II - div 1
From a frontal view - anterior teeth lean ___
20. Later
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
Condyles of the mandible continue grow ___than the maxilla
labialversion or buccoversion
Curve of Spee
21. The permanent molars erupt posterior to the primary teeth and push them all mesially
Abfraction
infraversion
How the diastemas are closed up(including primates spaces)
diastemas
22. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
pathologic occlusion
Retrusion
Condyles of the mandible continue grow ___than the maxilla
23. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II
protrusive occlusion
Retrusion
parafunctional contacts
class II - div 2
24. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
non working or balancing side
overbite
distal step
25. During a left working movement - the right side is known as the
non working or balancing side
infraversion
excessive occlusal force
hypercementosis
26. Starts closer to the posterior of the 1st molar
torsoversion
Open bite
Condyles of the mandible continue grow ___than the maxilla
late curve of spee
27. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
Edge to edge bite occurs when
Dentures
anterior crossbite
class III
28. Retrognathic profile
occlusion pattern
causes of primary occlusal trauma
malocclusion
class II
29. Starts around the mesial of the 1st molar
mesial step
normal curve of spee
Mandibular posterior teeth vertical alignment
An ideal curve of spee would be
30. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
severe overbite
inter-arch
causes of primary occlusal trauma
31. Vertical
class II - div 1
Working side
occlusal erosion
Overbite is a ___ measurement
32. #10 & #23
openbite
divisions of parafunctional contacts
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
occlusal erosion
33. Tongue thrust or thumb sucking can cause
class II division I occlusion
pathologic tooth migration
malocclusion
hypercementosis
34. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
leeway spaces
centric relation
35. Lateral mvmt results in contacct of all posterior teeth
intercuspation
infraversion
crossbite
group function
36. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
underjet
centric occlusion
physiologic occlusion
Centric relation
37. 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
flush terminal plane
causes of open bite
linguoversion
Overjet
38. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
centric occlusion - centric relation - protrusive and lateral movements
class II malocclusion
Edge to edge bite occurs when
39. The side to which the mandible moves(chewing side)
class III - classificaiton
physiologic occlusion
Working side
selective grinding or occlusal equilibration
40. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
crestal funneling
codestructive theory
Misalignment of teeth
Protrusion
41. Survival of the dentition despite its deviation from a preconceived hypothetical normal
crossbite
physiologic occlusion
moderate overbite
decrease over time
42. 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
late curve of spee
Curve of Spee
Retrusion
posterior contact
43. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
canine guidance or protection
posterior crossbite
Underjet
Centric occlusion is also called
44. Relationship of the teeth in opposite arches; static position
Premature contact
centric occlusion
Protrusion
Overjet
45. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
infraversion
Maxillary posterior teeth vertical alignment
Lateral excursion
Leeway space
46. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
drifted mesial
primate spaces
curve of spee
occlusal trauma
47. 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
intercuspation
decrease over time
causes of primary occlusal trauma
class II - div 1
48. Guidance for protrusive occ should be on the
class II division I occlusion
anterior teeth
leeway spaces
flush terminal plane
49. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
malocclusion
secondary occlusal trauma
openbite
conditions that occur in class II - div 2
50. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
inflammation
decrease over time
curve of spee
Curve of Wilson