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Dentistry Occlusion
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Subjects
:
health-sciences
,
dentistry
Instructions:
Answer 50 questions in 15 minutes.
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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. Most common cause is when the maxilla does not grow in proportion to the mandible
fremitus
class I
Crossbite
Abfraction
2. Starts closer to premolars
protrusive occlusion
premature curve of spee
curve of monson
centric relation
3. Survival of the dentition despite its deviation from a preconceived hypothetical normal
selective grinding or occlusal equilibration
conditions that occur in class II - div I
physiologic occlusion
bone support
4. Normal contacts between max. and mand. teeth; momentary contacts
anterior crossbite
severe overbite
Protrusion
functional contacts
5. 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
Working side
physiologic occlusion
non working or balancing side
Overjet
6. Laterally
Mandibular posterior teeth vertical alignment
dynamic occlusion
class II malocclusion
From a frontal view - anterior teeth lean ___
7. Buck teeth are common and are considered
centric occlusion
class II malocclusion
Intercuspation
Overbite is a ___ measurement
8. Incisal 3rd
conditions that occur in class I malocclusion
normal overbite
Centric(habitual) occlusion
premature occlusal contact
9. Guidance for protrusive occ should be on the
primary occlusal trauma
Overjet
temporalis and masseter
anterior teeth
10. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
premature curve of spee
supraversion
occlusion
11. Lateral mvmt results in contact btwn the max and mand canines
Overbit
parafunctional contacts
left working movement
canine guidance or protection
12. A continuation of the spee of to extend through the condyle
An ideal curve of spee would be
Midline deviation
decrease over time
conditions that occur in class II - div 2
13. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Centric(habitual) occlusion
malocclusion
Glickman 1963
occlusion pattern
14. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
excessive occlusal force
conditions that occur in class III
Overjet is a ___ measurement
Overjet
15. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
class II - div 2
conditions that occur in class I malocclusion
open bite
fremitus
16. Introduced the concept of codestruction
premature occlusal contact
Glickman 1963
Overbite is a ___ measurement
Working side
17. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
secondary occlusal trauma
occlusal trauma
posterior crossbite
Leeway space
18. Anterior; no horizontal overlap
edge to edge
Working side
Intercuspation
Glickman 1963
19. Cusps of maxillary teeth directly over cusps of mandibular teeth
class II
Occlusion can be affected by
Maxillary posterior teeth vertical alignment
Edge to edge bite occurs when
20. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
excessive occlusal force
decrease over time
conditions that occur in class III
21. Mandibular molars more mesial than maxillary molars (most children)
mesial step
Glickman 1963
drifted mesial
causes of primary occlusal trauma
22. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
Underjet
Curve of Wilson
class II division I occlusion
23. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Attrition
gingiva
Centric occlusion is also called
Overjet is a ___ measurement
24. Maxillary overlap mandibular; whole arch
horizontal overlap
Premature contact
centric relation
Centric occlusion is also called
25. Abnormal contacts; occlusal habits - and neuroses
molar relationship
parafunctional contacts
vertical overlap
Open bite
26. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
traumatic overbite
Open bite
class II - div 2
horizontal overlap
27. Horizontal
hypercementosis
Overjet is a ___ measurement
inter-arch
Abfraction
28. Curve of the occlusal plane; from anterior to posterior - increases with age
class III - classificaiton
dynamic occlusion
Attrition
curve of spee
29. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
primate spaces
edge to edge
moderate overbite
30. Mandible moves to the right or left
malocclusion
Lateral excursion
hypercementosis
Maxillary posterior teeth vertical alignment
31. Muscles that work the jaw; may become sore due to occ trauma
curve of spee
physiologic occlusion
causes of open bite
temporalis and masseter
32. Class III (mal)occlusion of permanent teeth
functional contacts
occlusal trauma
Condyles of the mandible continue grow ___than the maxilla
If the condyles continue to grow - extreme mesial step will turn into ___
33. Occlusal guard =
centric occlusion
class I
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
hawley appliance
34. 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
Abfraction
class III - classificaiton
Bilateral crossbite occurs on...
protrusive occlusion
35. 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
primate spaces
labialversion or buccoversion
Retrusion
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
36. Tooth positioned more lingual
curve of spee
inflammation
linguoversion
temporalis and masseter
37. Above occlusal plane
gingiva
conditions that occur in class II - div I
supraversion
dynamic occlusion
38. Radiographically - the PDL space is wider at the coronal third of the root
functional occlusion
Occlusion can be affected by
class II - div 2
crestal funneling
39. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
protrusive occlusion
premature occlusal contact
tooth mobility
open bite
40. #10 & #23
distal step
openbite
Curve of Wilson
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
41. Tongue thrust or thumb sucking can cause
moderate overbite
class II division I occlusion
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
horizontal overlap
42. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
tooth mobility
crossbite
diastemas
43. Mesially - Labially
splinting
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class II - div 1
Centric occlusion is also called
44. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
late curve of spee
Underjet
Centric relation
conditions that occur in class I malocclusion
45. Tongue thrusting; thumb sucking - pacifiers
Overjet is a ___ measurement
class II - div 2
Centric occlusion is also called
causes of open bite
46. During a left working movement - the right side is known as the
pathologic tooth migration
non working or balancing side
traumatogenic occlusion
Intercuspation
47. Vertical
edge to edge
class III
Overbite is a ___ measurement
Unilateral crossbite occurs when
48. Tooth positioned more facial
labialversion or buccoversion
causes of primary occlusal trauma
functional occlusion
traumatic overbite
49. Curve spee & wilson - 3-d - not proven
class II - div 2
curve of monson
Acromegaly
Overbit
50. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
horizontal overlap
Occlusion can be affected by
curve of wilson
centric relation
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