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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. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
Centric occlusion is also called
Overjet
gingiva
2. Radiographically - the PDL space is wider at the coronal third of the root
primary occlusal trauma
crestal funneling
Abfraction
horizontal overlap
3. Later
Misalignment of teeth
bone support
Condyles of the mandible continue grow ___than the maxilla
Working side
4. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
functional occlusion
premature occlusal contact
moderate overbite
Centric occlusion is also called
5. After periodontal sugery - mobility will ________
Misalignment of teeth
torsoversion
overbite
decrease over time
6. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
From a frontal view - anterior teeth lean ___
functional occlusion
class I
anterior teeth
7. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
Nonworking side
occlusal erosion
physiologic occlusion
8. Selective grinding should always be completed after ______ has been controlled
excessive occlusal force
If the condyles continue to grow - extreme mesial step will turn into ___
inflammation
primary occlusal trauma
9. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
curve of monson
anterior crossbite
Lateral excursion
10. Associated with performance; all contacts during function of the oral cavity
Underjet
moderate overbite
hawley appliance
functional occlusion
11. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Condyles of the mandible continue grow ___than the maxilla
Misalignment of teeth
malocclusion
excessive occlusal force
12. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
excessive occlusal force
codestructive theory
Nonworking side
13. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
flush terminal plane
Acromegaly
How the diastemas are closed up(including primates spaces)
14. Abnormal contacts; occlusal habits - and neuroses
horizontal overlap
hypercementosis
parafunctional contacts
class III - classificaiton
15. Starts closer to premolars
Curve of Spee
premature curve of spee
Protrusion
linguoversion
16. Survival of the dentition despite its deviation from a preconceived hypothetical normal
openbite
physiologic occlusion
If the condyles continue to grow - extreme mesial step will turn into ___
late curve of spee
17. Lateral mvmt results in contact btwn the max and mand canines
selective grinding or occlusal equilibration
canine guidance or protection
Underjet
labialversion or buccoversion
18. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
excessive occlusal force
overbite
Midline deviation
19. Slight buccal inclination of crown - lingual inclination of root
Overjet
Maxillary posterior teeth vertical alignment
physiologic occlusion
other names for centric occlusion
20. Mandible moves to the right or left
Lateral excursion
Hereditary factors include
occlusal trauma
Mandibular posterior teeth vertical alignment
21. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
Intercuspation
decrease over time
Maxillary posterior teeth vertical alignment
22. Difference between primary and secondary occ trauma
crestal funneling
class II - div 1
Open bite
bone support
23. II (mal)occlusion
flush terminal plane
Unilateral crossbite occurs when
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
inflammation
24. Crowns tipped lingually - roots tipped laterally
Mandibular posterior teeth vertical alignment
Centric occlusion is also called
causes of open bite
anterior teeth
25. Curve spee & wilson - 3-d - not proven
curve of monson
torsoversion
Protrusion
flush terminal plane
26. What is not affected by occ trauma
interdigitation
class II - div 1
gingiva
Overbite is a ___ measurement
27. Mesially - Labially
overjet
fremitus
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
traumatic overbite
28. Muscles that work the jaw; may become sore due to occ trauma
Condyles of the mandible continue grow ___than the maxilla
temporalis and masseter
labialversion or buccoversion
Leeway space
29. Guidance for protrusive occ should be on the
class III - classificaiton
anterior teeth
How the diastemas are closed up(including primates spaces)
Dentures
30. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
Overbit
overjet
curve of wilson
31. Posterior; no horizontal overlap
crestal funneling
diastemas
end to end
edge to edge
32. A continuation of the spee of to extend through the condyle
occlusal trauma
An ideal curve of spee would be
conditions that occur in class I malocclusion
Midline deviation
33. Introduced the concept of codestruction
An ideal curve of spee would be
canine relationship
secondary occlusal trauma
Glickman 1963
34. The side to which the mandible moves(chewing side)
Working side
bone support
supraversion
Curve of Wilson
35. Lateral mvmt results in contacct of all posterior teeth
occlusal trauma
group function
horizontal overlap
Overbit
36. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
canine guidance or protection
Overjet
intercuspation
37. Widening of the PDL in areas under pressure results due to
Curve of Wilson
osteoclast resorption
anterior teeth
excessive occlusal force
38. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
centric occlusion
class II - div 2
hypercementosis
selective grinding or occlusal equilibration
39. Rotated or twisted; rotated mesial or distal
An ideal curve of spee would be
posterior contact
torsoversion
class II malocclusion
40. Excessive occ force with adequate bone support =
primary occlusal trauma
Working side
Intercuspation
left working movement
41. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Curve of Spee
temporalis and masseter
Overjet
Overbit
42. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
class II
occlusal trauma
divisions of parafunctional contacts
curve of monson
43. Maximum interlocking of cusp
intercuspation
overbite
occlusion pattern
Acromegaly
44. Max canine occludes with mand. canine and mand. 1st premolar.
vertical overlap
non working or balancing side
canine relationship
traumatogenic occlusion
45. Spaces between two teeth
primary occlusal trauma
fremitus
Unilateral crossbite occurs when
diastemas
46. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
Intercuspation
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
centric relation
47. Measurement of horizontal overlap w/ probe
occlusal erosion
overjet
non working or balancing side
late curve of spee
48. 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
class II - div 2
Attrition
secondary occlusal trauma
crossbite
49. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Abfraction
Premature contact
Leeway space
Dentures
50. Relationship of the teeth in opposite arches; static position
centric occlusion
protrusive occlusion
inflammation
hypercementosis