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. ____ is not a sign of occl trauma
Midline deviation
occlusal erosion
Acromegaly
Lateral excursion
2. Abnormal contacts; occlusal habits - and neuroses
drifted mesial
decrease over time
parafunctional contacts
anterior teeth
3. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
Unilateral crossbite occurs when
horizontal overlap
occlusal trauma
4. Muscles that work the jaw; may become sore due to occ trauma
splinting
normal curve of spee
temporalis and masseter
inter-arch
5. 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
centric occlusion
Working side
Unilateral crossbite occurs when
class II - div 1
6. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
Glickman 1963
Working side
osteoclast resorption
7. Selective grinding should always be completed after ______ has been controlled
anterior crossbite
splinting
inflammation
curve of wilson
8. Middle 3rd
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
Hereditary factors include
Protrusion
moderate overbite
9. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
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
Retrusion
Centric occlusion is also called
10. Prognathic profile
centric occlusion - centric relation - protrusive and lateral movements
Malocclusion
physiologic occlusion
class III
11. Maximal intercuspation or contact of the max and mand teeth
non working or balancing side
occlusion
centric occlusion
decrease over time
12. Buck teeth are common and are considered
class II malocclusion
Working side
anterior crossbite
osteoclast resorption
13. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
Overjet is a ___ measurement
occlusion
premature curve of spee
14. Later
osteoclast resorption
pathologic occlusion
Condyles of the mandible continue grow ___than the maxilla
primary occlusal trauma
15. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
centric relation
Centric(habitual) occlusion
Retrusion
16. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
group function
selective grinding or occlusal equilibration
fremitus
17. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Abfraction
Mandibular posterior teeth vertical alignment
malocclusion
codestructive theory
18. Primary teeth set ___________________ for permanent
Nonworking side
occlusion pattern
curve of wilson
occlusal erosion
19. Habitual - acquired - convenience - intercuspal & static
centric occlusion - centric relation - protrusive and lateral movements
underjet
curve of monson
other names for centric occlusion
20. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
overjet
Retrusion
protrusive occlusion
Acromegaly
21. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
From a frontal view - anterior teeth lean ___
conditions that occur in class II - div I
Nonworking side
22. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
occlusal trauma
group function
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
23. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
occlusal trauma
overjet
edge to edge
24. Relationship of the teeth in opposite arches; static position
left working movement
class II - div 2
conditions that occur in class II - div I
centric occlusion
25. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
tooth mobility
excessive occlusal force
conditions that occur in class II - div 2
26. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
posterior contact
splinting
Crossbite
selective grinding or occlusal equilibration
27. Functional occlusion
Working side
diastemas
Attrition
dynamic occlusion
28. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
flush terminal plane
occlusion pattern
hawley appliance
divisions of parafunctional contacts
29. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
Open bite
Overjet is a ___ measurement
conditions that occur in class II - div I
moderate overbite
30. 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
functional occlusion
class II - div 1
labialversion or buccoversion
premature curve of spee
31. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
codestructive theory
Overjet
Condyles of the mandible continue grow ___than the maxilla
Open bite
32. 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
Curve of Spee
splinting
class II malocclusion
underjet
33. Overlap of anterior teeth
intercuspation
centric relation
vertical overlap
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
34. A continuation of the spee of to extend through the condyle
openbite
An ideal curve of spee would be
class II
non working or balancing side
35. Mandibular molars and maxillary molars are even
Curve of Spee
selective grinding or occlusal equilibration
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
flush terminal plane
36. #10 & #23
primate spaces
Abfraction
open bite
openbite
37. Curve of the occlusal plane; from anterior to posterior - increases with age
underjet
centric occlusion - centric relation - protrusive and lateral movements
curve of spee
centric occlusion
38. Below occlusal plane
infraversion
causes of primary occlusal trauma
moderate overbite
malocclusion
39. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
Crossbite
Centric relation
parafunctional contacts
40. After periodontal sugery - mobility will ________
decrease over time
osteoclast resorption
centric relation
Nonworking side
41. Usually indicative of moderate to sever perio and secondary occ trauma
diastemas
parafunctional contacts
pathologic tooth migration
Retrusion
42. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
conditions that occur in class III
conditions that occur in class II - div 2
Dentures
43. Lateral mvmt results in contacct of all posterior teeth
hawley appliance
group function
curve of wilson
functional contacts
44. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
conditions that occur in class II - div 2
overbite
severe overbite
Leeway space
45. 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
class III - classificaiton
physiologic occlusion
posterior contact
dynamic occlusion
46. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
Leeway space
temporalis and masseter
parafunctional contacts
curve of wilson
47. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Mandibular posterior teeth vertical alignment
physiologic occlusion
class I
hypercementosis
48. Rotated or twisted; rotated mesial or distal
leeway spaces
late curve of spee
torsoversion
supraversion
49. Tooth extracted
left working movement
drifted mesial
intercuspation
inter-arch
50. Above occlusal plane
osteoclast resorption
severe overbite
supraversion
conditions that occur in class III