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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. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
edge to edge
Misalignment of teeth
pathologic occlusion
2. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
hypercementosis
Curve of Spee
Open bite
horizontal overlap
3. Introduced the concept of codestruction
centric relation
Glickman 1963
Overjet is a ___ measurement
infraversion
4. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Malocclusion
Premature contact
curve of monson
An ideal curve of spee would be
5. Starts closer to the posterior of the 1st molar
late curve of spee
An ideal curve of spee would be
Overjet is a ___ measurement
overbite
6. Occlusal guard =
centric relation
Crossbite
hawley appliance
curve of spee
7. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
class III
traumatic overbite
overbite
8. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
diastemas
selective grinding or occlusal equilibration
overbite
edge to edge
9. Spaces between two teeth
traumatic overbite
physiologic occlusion
mesial step
diastemas
10. Excessive occ force with adequate bone support =
Centric(habitual) occlusion
primary occlusal trauma
Condyles of the mandible continue grow ___than the maxilla
codestructive theory
11. Vertical
vertical overlap
Overbite is a ___ measurement
centric relation
anterior crossbite
12. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Protrusion
functional occlusion
Leeway space
posterior crossbite
13. Widening of the PDL in areas under pressure results due to
Overjet
Nonworking side
osteoclast resorption
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
14. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
Overjet is a ___ measurement
anterior crossbite
Centric relation
group function
15. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
tooth mobility
Curve of Wilson
curve of monson
open bite
16. Teeth are misaligned when biting together
Malocclusion
Protrusion
anterior teeth
osteoclast resorption
17. 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
Unilateral crossbite occurs when
other names for centric occlusion
physiologic occlusion
How the diastemas are closed up(including primates spaces)
18. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
divisions of parafunctional contacts
If the condyles continue to grow - extreme mesial step will turn into ___
primate spaces
centric relation
19. Buck teeth are common and are considered
temporalis and masseter
Overbite is a ___ measurement
moderate overbite
class II malocclusion
20. The way you normally bite your teeth together when not chewing
overjet
Centric(habitual) occlusion
leeway spaces
torsoversion
21. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Premature contact
Condyles of the mandible continue grow ___than the maxilla
overbite
leeway spaces
22. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
occlusal trauma
conditions that occur in class I malocclusion
Lateral excursion
overbite
23. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
molar relationship
conditions that occur in class III
edge to edge
divisions of parafunctional contacts
24. Primary teeth set ___________________ for permanent
pathologic tooth migration
conditions that occur in class I malocclusion
Overbit
occlusion pattern
25. 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 II - div 1
centric relation
premature occlusal contact
class III - classificaiton
26. When no teeth are contacting on this side
curve of spee
excessive occlusal force
occlusal trauma
Nonworking side
27. 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
functional occlusion
selective grinding or occlusal equilibration
Overjet
occlusion pattern
28. Laterally
Mandibular posterior teeth vertical alignment
From a frontal view - anterior teeth lean ___
molar relationship
Curve of Spee
29. Below occlusal plane
crossbite
Mandibular posterior teeth vertical alignment
curve of wilson
infraversion
30. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
open bite
class I
fremitus
31. Malocclusion cause excessive incisal or occlusal wear(attrition); teeth continue to erupt in order to occlude with teeth in the opposite arch & roots become exposed
codestructive theory
Attrition
conditions that occur in class III
anterior crossbite
32. Relationship of the arches bone to bone;
causes of primary occlusal trauma
centric relation
curve of monson
inter-arch
33. Relationship of the teeth in opposite arches; static position
functional occlusion
centric occlusion
linguoversion
intercuspation
34. During a left working movement - the right side is known as the
dynamic occlusion
non working or balancing side
Overjet
Protrusion
35. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
leeway spaces
Curve of Spee
Malocclusion
drifted mesial
36. Normal contacts between max. and mand. teeth; momentary contacts
inflammation
functional contacts
Acromegaly
physiologic occlusion
37. Tooth extracted
severe overbite
drifted mesial
infraversion
torsoversion
38. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
traumatic overbite
Centric(habitual) occlusion
class II malocclusion
splinting
39. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
centric occlusion
Underjet
severe overbite
primate spaces
40. Above occlusal plane
Centric occlusion is also called
supraversion
severe overbite
inter-arch
41. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
Mandibular posterior teeth vertical alignment
secondary occlusal trauma
physiologic occlusion
conditions that occur in class I malocclusion
42. Mandibular molars more mesial than maxillary molars (most children)
mesial step
pathologic occlusion
Mandibular posterior teeth vertical alignment
conditions that occur in class II - div I
43. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
overjet
left working movement
physiologic occlusion
causes of primary occlusal trauma
44. Retrognathic profile
class II
Nonworking side
class II malocclusion
occlusal trauma
45. Vibrational mvmt of a tooth under occ function
crossbite
dynamic occlusion
end to end
fremitus
46. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Glickman 1963
Maxillary posterior teeth vertical alignment
47. 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
Condyles of the mandible continue grow ___than the maxilla
class II - div 2
overjet
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
48. Individual teeth from each arch can be involved in ________________ malocclusion
Mandibular posterior teeth vertical alignment
Malocclusion
inter-arch
functional occlusion
49. Patients show evidence or signs and syptoms of occ disease
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
pathologic occlusion
Working side
torsoversion
50. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
class III - classificaiton
splinting
infraversion