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Test your basic knowledge |
Dentistry Occlusion
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Study First
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. Selective grinding should always be completed after ______ has been controlled
Hereditary factors include
inflammation
occlusal trauma
curve of monson
2. Excessive deposition of cementum around the apex - due to excessive occlusal forces
tooth mobility
traumatogenic occlusion
Centric(habitual) occlusion
hypercementosis
3. A continuation of the spee of to extend through the condyle
If the condyles continue to grow - extreme mesial step will turn into ___
osteoclast resorption
An ideal curve of spee would be
Nonworking side
4. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
Glickman 1963
selective grinding or occlusal equilibration
vertical overlap
5. Primary teeth set ___________________ for permanent
Overjet is a ___ measurement
Misalignment of teeth
occlusion pattern
functional occlusion
6. The way you normally bite your teeth together when not chewing
class II - div 2
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(habitual) occlusion
Glickman 1963
7. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
end to end
Misalignment of teeth
From a frontal view - anterior teeth lean ___
primate spaces
8. Both sides
Abfraction
codestructive theory
Bilateral crossbite occurs on...
primate spaces
9. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
leeway spaces
posterior crossbite
canine guidance or protection
anterior teeth
10. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Overbit
overbite
Curve of Wilson
occlusal trauma
11. Maximal intercuspation or contact of the max and mand teeth
curve of wilson
horizontal overlap
tooth mobility
centric occlusion
12. Starts around the mesial of the 1st molar
normal curve of spee
Edge to edge bite occurs when
From a frontal view - anterior teeth lean ___
Centric relation
13. Lateral mvmt results in contacct of all posterior teeth
From a frontal view - anterior teeth lean ___
Centric(habitual) occlusion
labialversion or buccoversion
group function
14. Mesially - Labially
occlusal trauma
canine relationship
selective grinding or occlusal equilibration
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
15. During protrusive occ - ______ is considered undesirable
excessive occlusal force
premature occlusal contact
posterior contact
inflammation
16. Tooth positioned more facial
crossbite
inflammation
labialversion or buccoversion
centric occlusion - centric relation - protrusive and lateral movements
17. Tooth extracted
Maxillary posterior teeth vertical alignment
drifted mesial
horizontal overlap
normal overbite
18. Laterally
From a frontal view - anterior teeth lean ___
left working movement
decrease over time
premature occlusal contact
19. Most common cause is when the maxilla does not grow in proportion to the mandible
underjet
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
Crossbite
20. The side to which the mandible moves(chewing side)
centric occlusion
Edge to edge bite occurs when
occlusion pattern
Working side
21. Patients show evidence or signs and syptoms of occ disease
underjet
pathologic occlusion
conditions that occur in class I malocclusion
centric relation
22. During a left working movement - the right side is known as the
Centric occlusion is also called
Hereditary factors include
non working or balancing side
anterior teeth
23. Horizontal distance of anterior teeth in crossbite
underjet
physiologic occlusion
functional occlusion
premature curve of spee
24. Mandible moves to the right or left
diastemas
premature curve of spee
Lateral excursion
Malocclusion
25. II (mal)occlusion
Retrusion
hawley appliance
Maxillary posterior teeth vertical alignment
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
26. When no teeth are contacting on this side
Nonworking side
late curve of spee
posterior crossbite
conditions that occur in class II - div 2
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
physiologic occlusion
Dentures
Overjet
If the condyles continue to grow - extreme mesial step will turn into ___
28. Anterior; no horizontal overlap
centric occlusion
occlusion
edge to edge
selective grinding or occlusal equilibration
29. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Centric(habitual) occlusion
Overbite is a ___ measurement
osteoclast resorption
conditions that occur in class III
30. Functional occlusion
edge to edge
end to end
dynamic occlusion
centric occlusion
31. Maxillary incisors are are lingual to mandibular incisors
Condyles of the mandible continue grow ___than the maxilla
Premature contact
conditions that occur in class III
Underjet
32. Horizontal
class I
supraversion
Overjet is a ___ measurement
premature occlusal contact
33. During selective grinding - occlusion should be adjusted In what four relationships
If the condyles continue to grow - extreme mesial step will turn into ___
normal curve of spee
bone support
centric occlusion - centric relation - protrusive and lateral movements
34. If the mandible moves to the left - the mvmt is known as a left working movement
group function
dynamic occlusion
Glickman 1963
left working movement
35. Contact between maxillary incisors does not line up with contact of mandibular incisors
canine relationship
causes of primary occlusal trauma
Midline deviation
class III
36. Mandibular molars more mesial than maxillary molars (most children)
temporalis and masseter
mesial step
underjet
Occlusion can be affected by
37. ____ is not a sign of occl trauma
drifted mesial
occlusal erosion
hypercementosis
From a frontal view - anterior teeth lean ___
38. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
splinting
primate spaces
malocclusion
traumatic overbite
39. Vertical
normal overbite
group function
Overbite is a ___ measurement
Open bite
40. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
class II division I occlusion
occlusion pattern
conditions that occur in class II - div 2
molar relationship
41. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
left working movement
malocclusion
Lateral excursion
occlusion
42. Muscles that work the jaw; may become sore due to occ trauma
temporalis and masseter
dynamic occlusion
hawley appliance
flush terminal plane
43. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
class II division I occlusion
premature curve of spee
Centric relation
Occlusion can be affected by
44. Later
Condyles of the mandible continue grow ___than the maxilla
physiologic occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Edge to edge bite occurs when
45. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
Premature contact
Curve of Wilson
openbite
46. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
conditions that occur in class I malocclusion
moderate overbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
47. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
linguoversion
severe overbite
functional occlusion
48. When the jaws are closed - the buccal cusps of the mandibular posterior teeth are interlocked between the buccal & lingual cusps of the maxillary teeth
conditions that occur in class III
Intercuspation
An ideal curve of spee would be
interdigitation
49. Maximum interlocking of cusp
flush terminal plane
intercuspation
underjet
divisions of parafunctional contacts
50. Overlap of anterior teeth
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
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
vertical overlap
decrease over time
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