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. Vertical
class II - div 1
Overbite is a ___ measurement
centric relation
Dentures
2. Middle 3rd
edge to edge
late curve of spee
moderate overbite
Premature contact
3. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
occlusal trauma
functional occlusion
Overjet
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
4. Starts closer to premolars
premature curve of spee
edge to edge
linguoversion
Abfraction
5. Rotated or twisted; rotated mesial or distal
From a frontal view - anterior teeth lean ___
temporalis and masseter
codestructive theory
torsoversion
6. Excessive deposition of cementum around the apex - due to excessive occlusal forces
protrusive occlusion
Overbit
horizontal overlap
hypercementosis
7. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
leeway spaces
Underjet
Centric occlusion is also called
primate spaces
8. Vibrational mvmt of a tooth under occ function
leeway spaces
posterior crossbite
fremitus
overbite
9. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
group function
functional occlusion
Mandibular posterior teeth vertical alignment
leeway spaces
10. The permanent molars erupt posterior to the primary teeth and push them all mesially
physiologic occlusion
Unilateral crossbite occurs when
How the diastemas are closed up(including primates spaces)
non working or balancing side
11. Lateral mvmt results in contacct of all posterior teeth
Abfraction
Misalignment of teeth
Overjet is a ___ measurement
group function
12. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
distal step
horizontal overlap
Centric occlusion is also called
severe overbite
13. Selective grinding should always be completed after ______ has been controlled
codestructive theory
centric occlusion - centric relation - protrusive and lateral movements
Curve of Wilson
inflammation
14. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
functional occlusion
conditions that occur in class II - div 2
tooth mobility
Centric(habitual) occlusion
15. Mandible moves to the right or left
molar relationship
Lateral excursion
interdigitation
temporalis and masseter
16. Mb cusp of max 1st molar-buccal groove of mand 1st molar
traumatic overbite
class II - div 1
functional occlusion
molar relationship
17. Slight buccal inclination of crown - lingual inclination of root
traumatic overbite
Abfraction
Maxillary posterior teeth vertical alignment
curve of wilson
18. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
Overjet
Lateral excursion
traumatic overbite
19. Buck teeth are common and are considered
Overbit
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
labialversion or buccoversion
class II malocclusion
20. Teeth are misaligned when biting together
Unilateral crossbite occurs when
anterior crossbite
Midline deviation
Malocclusion
21. Measurement of horizontal overlap w/ probe
functional contacts
codestructive theory
overjet
mesial step
22. Above occlusal plane
molar relationship
Protrusion
supraversion
gingiva
23. Anterior; no horizontal overlap
Overbit
Attrition
edge to edge
How the diastemas are closed up(including primates spaces)
24. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
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
codestructive theory
pathologic occlusion
25. Maxillary overlap mandibular; whole arch
conditions that occur in class I malocclusion
Edge to edge bite occurs when
horizontal overlap
labialversion or buccoversion
26. What is not affected by occ trauma
class II division I occlusion
gingiva
openbite
occlusion
27. 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
other names for centric occlusion
Overbit
horizontal overlap
curve of wilson
28. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
molar relationship
splinting
left working movement
29. Tongue thrusting; thumb sucking - pacifiers
occlusion pattern
posterior contact
vertical overlap
causes of open bite
30. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
Dentures
traumatogenic occlusion
severe overbite
class III
31. Horizontal distance of anterior teeth in crossbite
Misalignment of teeth
curve of spee
Overjet
underjet
32. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
torsoversion
supraversion
conditions that occur in class I malocclusion
33. Abnormal contacts; occlusal habits - and neuroses
supraversion
anterior teeth
parafunctional contacts
intercuspation
34. Tooth positioned more facial
moderate overbite
centric occlusion - centric relation - protrusive and lateral movements
labialversion or buccoversion
Midline deviation
35. Survival of the dentition despite its deviation from a preconceived hypothetical normal
drifted mesial
physiologic occlusion
Open bite
group function
36. 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
Midline deviation
pathologic tooth migration
class II
Unilateral crossbite occurs when
37. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
Bilateral crossbite occurs on...
Overjet is a ___ measurement
curve of wilson
38. 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
tooth mobility
physiologic occlusion
Intercuspation
Retrusion
39. Mesognathic profile
class I
overbite
pathologic occlusion
Overjet
40. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
primate spaces
Lateral excursion
secondary occlusal trauma
Misalignment of teeth
41. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
conditions that occur in class I malocclusion
Dentures
divisions of parafunctional contacts
mesial step
42. Crowns tipped lingually - roots tipped laterally
centric relation
Bilateral crossbite occurs on...
conditions that occur in class I malocclusion
Mandibular posterior teeth vertical alignment
43. Normal contacts between max. and mand. teeth; momentary contacts
intercuspation
Attrition
functional contacts
overbite
44. Relationship of the arches bone to bone;
class III - classificaiton
centric relation
occlusal trauma
occlusal trauma
45. Max canine occludes with mand. canine and mand. 1st premolar.
crossbite
conditions that occur in class III
An ideal curve of spee would be
canine relationship
46. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
hawley appliance
traumatic overbite
Centric relation
occlusal erosion
47. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
pathologic occlusion
hypercementosis
class III - classificaiton
open bite
48. Most common cause is when the maxilla does not grow in proportion to the mandible
edge to edge
Misalignment of teeth
Crossbite
late curve of spee
49. Starts around the mesial of the 1st molar
anterior teeth
horizontal overlap
normal curve of spee
Underjet
50. Prognathic profile
occlusal trauma
fremitus
traumatic overbite
class III