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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. Max canine occludes with mand. canine and mand. 1st premolar.
posterior crossbite
class III - classificaiton
canine relationship
anterior crossbite
2. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
causes of primary occlusal trauma
primary occlusal trauma
Overjet
3. After periodontal sugery - mobility will ________
premature occlusal contact
Premature contact
decrease over time
Retrusion
4. Tooth positioned more lingual
linguoversion
Lateral excursion
selective grinding or occlusal equilibration
premature curve of spee
5. Individual teeth from each arch can be involved in ________________ malocclusion
conditions that occur in class III
inter-arch
premature occlusal contact
gingiva
6. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
pathologic occlusion
premature curve of spee
conditions that occur in class III
functional occlusion
7. Muscles that work the jaw; may become sore due to occ trauma
severe overbite
temporalis and masseter
overbite
class II malocclusion
8. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
openbite
crossbite
overjet
Curve of Spee
9. What is not affected by occ trauma
posterior crossbite
Midline deviation
gingiva
Intercuspation
10. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
osteoclast resorption
overbite
Overbit
11. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
Open bite
premature occlusal contact
supraversion
12. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
left working movement
conditions that occur in class II - div I
Underjet
Malocclusion
13. Introduced the concept of codestruction
Glickman 1963
divisions of parafunctional contacts
inflammation
An ideal curve of spee would be
14. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
premature curve of spee
Premature contact
class III - classificaiton
labialversion or buccoversion
15. Mb cusp of max 1st molar-buccal groove of mand 1st molar
occlusal trauma
molar relationship
Acromegaly
drifted mesial
16. Mandibular molars more distal than maxillary molars
Midline deviation
pathologic tooth migration
distal step
class II - div 2
17. Vertical overlapping
Crossbite
Hereditary factors include
Bilateral crossbite occurs on...
overbite
18. #10 & #23
conditions that occur in class I malocclusion
openbite
class III - classificaiton
premature occlusal contact
19. Laterally
From a frontal view - anterior teeth lean ___
Protrusion
splinting
late curve of spee
20. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatic overbite
Crossbite
traumatogenic occlusion
fremitus
21. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
linguoversion
centric relation
physiologic occlusion
22. A continuation of the spee of to extend through the condyle
Crossbite
open bite
Overbite is a ___ measurement
An ideal curve of spee would be
23. During a left working movement - the right side is known as the
interdigitation
non working or balancing side
drifted mesial
labialversion or buccoversion
24. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
curve of monson
secondary occlusal trauma
Underjet
Maxillary posterior teeth vertical alignment
25. Crowns tipped lingually - roots tipped laterally
hawley appliance
supraversion
Mandibular posterior teeth vertical alignment
centric relation
26. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious
Malocclusion
An ideal curve of spee would be
open bite
Abfraction
27. Lateral mvmt results in contacct of all posterior teeth
non working or balancing side
group function
crestal funneling
normal curve of spee
28. Teeth are misaligned when biting together
supraversion
Malocclusion
group function
overbite
29. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
diastemas
Curve of Wilson
flush terminal plane
30. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
gingiva
normal overbite
late curve of spee
Misalignment of teeth
31. 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
Malocclusion
Overjet
Curve of Wilson
openbite
32. Measurement of horizontal overlap w/ probe
underjet
crestal funneling
overjet
Lateral excursion
33. 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
premature occlusal contact
functional occlusion
Overbit
vertical overlap
34. If the mandible moves to the left - the mvmt is known as a left working movement
class II - div 1
edge to edge
left working movement
fremitus
35. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
conditions that occur in class III
pathologic occlusion
Protrusion
36. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
Mandibular posterior teeth vertical alignment
crestal funneling
Crossbite
Curve of Wilson
37. Associated with performance; all contacts during function of the oral cavity
interdigitation
primary occlusal trauma
Centric occlusion is also called
functional occlusion
38. Difference between primary and secondary occ trauma
Open bite
Working side
centric occlusion
bone support
39. Maximal intercuspation or contact of the max and mand teeth
horizontal overlap
centric occlusion
anterior teeth
curve of monson
40. Radiographically - the PDL space is wider at the coronal third of the root
curve of monson
crestal funneling
class III
late curve of spee
41. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Dentures
functional occlusion
Leeway space
Underjet
42. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
intercuspation
infraversion
hawley appliance
43. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
causes of open bite
open bite
excessive occlusal force
Abfraction
44. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
end to end
Condyles of the mandible continue grow ___than the maxilla
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
45. Starts around the mesial of the 1st molar
centric relation
vertical overlap
normal curve of spee
parafunctional contacts
46. 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
An ideal curve of spee would be
Unilateral crossbite occurs when
centric relation
conditions that occur in class II - div I
47. Tooth extracted
drifted mesial
Nonworking side
parafunctional contacts
severe overbite
48. 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
Retrusion
fremitus
horizontal overlap
curve of monson
49. Functional occlusion
dynamic occlusion
centric occlusion
Hereditary factors include
causes of primary occlusal trauma
50. Tooth positioned more facial
labialversion or buccoversion
causes of open bite
Abfraction
anterior teeth