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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
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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. Maximum interlocking of cusp
centric occlusion
traumatogenic occlusion
anterior teeth
intercuspation
2. Class III (mal)occlusion of permanent teeth
left working movement
If the condyles continue to grow - extreme mesial step will turn into ___
causes of open bite
vertical overlap
3. Maxillary incisors are are lingual to mandibular incisors
Underjet
normal overbite
molar relationship
premature occlusal contact
4. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
traumatogenic occlusion
physiologic occlusion
late curve of spee
5. Mb cusp of max 1st molar-buccal groove of mand 1st molar
secondary occlusal trauma
occlusal trauma
inter-arch
molar relationship
6. 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
Condyles of the mandible continue grow ___than the maxilla
causes of open bite
Underjet
7. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
Centric occlusion is also called
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
underjet
premature occlusal contact
8. Patients show evidence or signs and syptoms of occ disease
conditions that occur in class II - div I
normal curve of spee
pathologic occlusion
Unilateral crossbite occurs when
9. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
Curve of Spee
primate spaces
Crossbite
Maxillary posterior teeth vertical alignment
10. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Attrition
Malocclusion
functional occlusion
occlusion
11. Incisal 3rd
group function
normal overbite
Premature contact
flush terminal plane
12. Excessive deposition of cementum around the apex - due to excessive occlusal forces
openbite
bone support
class III
hypercementosis
13. Slight buccal inclination of crown - lingual inclination of root
Maxillary posterior teeth vertical alignment
diastemas
osteoclast resorption
pathologic tooth migration
14. 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
Malocclusion
Unilateral crossbite occurs when
Working side
occlusal trauma
15. Primary teeth set ___________________ for permanent
occlusion pattern
anterior teeth
Hereditary factors include
From a frontal view - anterior teeth lean ___
16. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
Abfraction
overjet
Dentures
17. Mandible moves to the right or left
Lateral excursion
conditions that occur in class II - div I
bone support
Maxillary posterior teeth vertical alignment
18. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
underjet
Misalignment of teeth
protrusive occlusion
19. Posterior; no horizontal overlap
traumatic overbite
end to end
Centric occlusion is also called
non working or balancing side
20. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
curve of wilson
Curve of Spee
premature curve of spee
conditions that occur in class III
21. The permanent molars erupt posterior to the primary teeth and push them all mesially
linguoversion
conditions that occur in class II - div I
How the diastemas are closed up(including primates spaces)
Overjet is a ___ measurement
22. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
Curve of Wilson
anterior crossbite
Edge to edge bite occurs when
normal curve of spee
23. Max canine occludes with mand. canine and mand. 1st premolar.
normal overbite
canine relationship
mesial step
primate spaces
24. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
Overbit
causes of primary occlusal trauma
Centric relation
overjet
25. When no teeth are contacting on this side
Nonworking side
linguoversion
canine guidance or protection
left working movement
26. Individual teeth from each arch can be involved in ________________ malocclusion
inter-arch
Malocclusion
occlusion pattern
dynamic occlusion
27. Lateral mvmt results in contact btwn the max and mand canines
open bite
From a frontal view - anterior teeth lean ___
canine guidance or protection
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
28. Mandibular molars more distal than maxillary molars
fremitus
class II division I occlusion
distal step
drifted mesial
29. Abnormal contacts; occlusal habits - and neuroses
supraversion
inflammation
class II - div 1
parafunctional contacts
30. Starts around the mesial of the 1st molar
normal curve of spee
Intercuspation
group function
functional contacts
31. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
group function
class II malocclusion
conditions that occur in class III
32. #10 & #23
openbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
crossbite
centric occlusion
33. Maxillary - Mandibular - Facial
normal overbite
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
Condyles of the mandible continue grow ___than the maxilla
34. Tongue thrust or thumb sucking can cause
physiologic occlusion
Curve of Spee
class II division I occlusion
decrease over time
35. Associated with performance; all contacts during function of the oral cavity
functional occlusion
leeway spaces
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
Acromegaly
36. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
centric occlusion
codestructive theory
Working side
class II division I occlusion
37. Habitual - acquired - convenience - intercuspal & static
Curve of Spee
other names for centric occlusion
inter-arch
Maxillary posterior teeth vertical alignment
38. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
Overbit
malocclusion
Abfraction
overbite
39. 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
labialversion or buccoversion
Hereditary factors include
curve of spee
class II - div 2
40. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
conditions that occur in class II - div I
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
dynamic occlusion
Abfraction
41. Selective grinding should always be completed after ______ has been controlled
Working side
molar relationship
causes of primary occlusal trauma
inflammation
42. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
curve of monson
centric relation
class I
43. Mandibular molars more mesial than maxillary molars (most children)
diastemas
Centric relation
torsoversion
mesial step
44. Tooth positioned more facial
primary occlusal trauma
supraversion
labialversion or buccoversion
temporalis and masseter
45. 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
Attrition
underjet
curve of monson
splinting
46. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
centric relation
Attrition
Mandibular posterior teeth vertical alignment
47. Cervical 3rd
Bilateral crossbite occurs on...
severe overbite
class II division I occlusion
Glickman 1963
48. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
occlusal trauma
secondary occlusal trauma
Centric occlusion is also called
leeway spaces
49. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Premature contact
Condyles of the mandible continue grow ___than the maxilla
distal step
Acromegaly
50. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship
excessive occlusal force
Overbit
conditions that occur in class III
canine guidance or protection
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