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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. Lateral mvmt results in contacct of all posterior teeth
crestal funneling
conditions that occur in class II - div 2
group function
Intercuspation
2. Relationship of the teeth in opposite arches; static position
Attrition
centric occlusion
Curve of Spee
functional contacts
3. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
protrusive occlusion
class II
Edge to edge bite occurs when
4. Radiographically - the PDL space is wider at the coronal third of the root
functional occlusion
normal overbite
late curve of spee
crestal funneling
5. Introduced the concept of codestruction
Bilateral crossbite occurs on...
Abfraction
Glickman 1963
overbite
6. Horizontal distance of anterior teeth in crossbite
occlusion pattern
late curve of spee
underjet
Premature contact
7. Laterally
posterior crossbite
Centric relation
tooth mobility
From a frontal view - anterior teeth lean ___
8. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
inflammation
selective grinding or occlusal equilibration
tooth mobility
From a frontal view - anterior teeth lean ___
9. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
labialversion or buccoversion
Centric relation
conditions that occur in class II - div 2
10. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
occlusal erosion
Misalignment of teeth
occlusion
11. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Overjet
functional occlusion
Acromegaly
decrease over time
12. Maxillary - Mandibular - Facial
crossbite
inflammation
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
Mandibular posterior teeth vertical alignment
13. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
molar relationship
Occlusion can be affected by
primate spaces
occlusal trauma
14. During selective grinding - occlusion should be adjusted In what four relationships
anterior teeth
linguoversion
centric occlusion - centric relation - protrusive and lateral movements
class II division I occlusion
15. Tooth extracted
drifted mesial
An ideal curve of spee would be
pathologic tooth migration
Open bite
16. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
non working or balancing side
overjet
conditions that occur in class II - div 2
17. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
pathologic tooth migration
Curve of Wilson
Protrusion
parafunctional contacts
18. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
Open bite
malocclusion
How the diastemas are closed up(including primates spaces)
19. The way you normally bite your teeth together when not chewing
codestructive theory
normal overbite
posterior crossbite
Centric(habitual) occlusion
20. Difference between primary and secondary occ trauma
class II - div 1
horizontal overlap
centric occlusion
bone support
21. Rotated or twisted; rotated mesial or distal
torsoversion
decrease over time
posterior contact
Retrusion
22. Starts closer to the posterior of the 1st molar
occlusion pattern
late curve of spee
occlusion
crossbite
23. Starts around the mesial of the 1st molar
other names for centric occlusion
normal curve of spee
Occlusion can be affected by
physiologic occlusion
24. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
hawley appliance
severe overbite
malocclusion
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
25. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
physiologic occlusion
causes of primary occlusal trauma
mesial step
Lateral excursion
26. 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 III - classificaiton
divisions of parafunctional contacts
functional contacts
codestructive theory
27. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
moderate overbite
traumatic overbite
From a frontal view - anterior teeth lean ___
posterior contact
28. 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
class III - classificaiton
canine guidance or protection
horizontal overlap
Abfraction
29. Individual teeth from each arch can be involved in ________________ malocclusion
Glickman 1963
physiologic occlusion
inter-arch
class II division I occlusion
30. Contact between maxillary incisors does not line up with contact of mandibular incisors
edge to edge
conditions that occur in class III
inflammation
Midline deviation
31. Vertical overlapping
Overjet is a ___ measurement
overbite
occlusal erosion
traumatic overbite
32. Mesognathic profile
supraversion
class I
premature occlusal contact
centric relation
33. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
overjet
curve of wilson
canine relationship
primate spaces
34. Selective grinding should always be completed after ______ has been controlled
inflammation
infraversion
physiologic occlusion
temporalis and masseter
35. If the mandible moves to the left - the mvmt is known as a left working movement
hypercementosis
Malocclusion
left working movement
interdigitation
36. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
Hereditary factors include
severe overbite
interdigitation
37. Guidance for protrusive occ should be on the
Working side
diastemas
Dentures
anterior teeth
38. Maximal intercuspation or contact of the max and mand teeth
Working side
linguoversion
centric occlusion
underjet
39. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
Leeway space
Acromegaly
flush terminal plane
40. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
Attrition
codestructive theory
class III - classificaiton
Hereditary factors include
41. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
class I
end to end
linguoversion
42. Habitual - acquired - convenience - intercuspal & static
conditions that occur in class I malocclusion
secondary occlusal trauma
pathologic tooth migration
other names for centric occlusion
43. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
class II
Mandibular posterior teeth vertical alignment
primate spaces
Abfraction
44. Mvmt of the mandible in a direction anterior to centric occ
conditions that occur in class II - div I
diastemas
Nonworking side
protrusive occlusion
45. 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
Occlusion can be affected by
edge to edge
late curve of spee
Overbit
46. Slight buccal inclination of crown - lingual inclination of root
occlusion pattern
Maxillary posterior teeth vertical alignment
protrusive occlusion
primate spaces
47. Patients show evidence or signs and syptoms of occ disease
non working or balancing side
Overjet
pathologic occlusion
Curve of Wilson
48. Maximum touching of max and mand
canine relationship
primary occlusal trauma
interdigitation
If the condyles continue to grow - extreme mesial step will turn into ___
49. Tooth positioned more lingual
centric relation
occlusion pattern
gingiva
linguoversion
50. 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
Retrusion
primate spaces
Occlusion can be affected by
How the diastemas are closed up(including primates spaces)