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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. Tooth extracted
class III - classificaiton
drifted mesial
From a frontal view - anterior teeth lean ___
Overjet is a ___ measurement
2. Starts closer to the posterior of the 1st molar
physiologic occlusion
late curve of spee
temporalis and masseter
underjet
3. Relationship of the arches bone to bone;
supraversion
interdigitation
Bilateral crossbite occurs on...
centric relation
4. Tooth positioned more lingual
divisions of parafunctional contacts
linguoversion
Attrition
Edge to edge bite occurs when
5. When no teeth are contacting on this side
hawley appliance
conditions that occur in class III
Edge to edge bite occurs when
Nonworking side
6. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
Dentures
canine relationship
vertical overlap
leeway spaces
7. Associated with performance; all contacts during function of the oral cavity
Centric relation
functional occlusion
inflammation
mesial step
8. Starts around the mesial of the 1st molar
normal curve of spee
Retrusion
interdigitation
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
9. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
splinting
Curve of Spee
canine guidance or protection
gingiva
10. After periodontal sugery - mobility will ________
overbite
decrease over time
curve of wilson
pathologic tooth migration
11. II (mal)occlusion
conditions that occur in class III
osteoclast resorption
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
divisions of parafunctional contacts
12. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
temporalis and masseter
Occlusion can be affected by
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
13. Vertical overlapping
overbite
Hereditary factors include
temporalis and masseter
centric relation
14. Anterior; no horizontal overlap
canine relationship
edge to edge
Lateral excursion
Overjet is a ___ measurement
15. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
linguoversion
Midline deviation
intercuspation
conditions that occur in class III
16. Below occlusal plane
physiologic occlusion
Misalignment of teeth
Occlusion can be affected by
infraversion
17. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
Centric(habitual) occlusion
diastemas
torsoversion
functional occlusion
18. Overlap of anterior teeth
causes of primary occlusal trauma
vertical overlap
occlusal trauma
leeway spaces
19. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
infraversion
Curve of Wilson
conditions that occur in class I malocclusion
decrease over time
20. 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
osteoclast resorption
Occlusion can be affected by
class III - classificaiton
canine guidance or protection
21. Horizontal
Overjet is a ___ measurement
Overbit
horizontal overlap
malocclusion
22. The permanent molars erupt posterior to the primary teeth and push them all mesially
Curve of Wilson
occlusal trauma
How the diastemas are closed up(including primates spaces)
underjet
23. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Underjet
occlusion
inflammation
posterior crossbite
24. Later
labialversion or buccoversion
divisions of parafunctional contacts
Condyles of the mandible continue grow ___than the maxilla
Leeway space
25. Maximal intercuspation or contact of the max and mand teeth
traumatogenic occlusion
centric occlusion
curve of spee
traumatic overbite
26. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced
Unilateral crossbite occurs when
pathologic tooth migration
decrease over time
splinting
27. Relationship of the teeth in opposite arches; static position
centric occlusion
An ideal curve of spee would be
Midline deviation
dynamic occlusion
28. Buck teeth are common and are considered
Maxillary posterior teeth vertical alignment
Centric relation
splinting
class II malocclusion
29. Class III (mal)occlusion of permanent teeth
Curve of Wilson
If the condyles continue to grow - extreme mesial step will turn into ___
curve of spee
tooth mobility
30. Usually indicative of moderate to sever perio and secondary occ trauma
pathologic tooth migration
curve of monson
Condyles of the mandible continue grow ___than the maxilla
Misalignment of teeth
31. #10 & #23
openbite
Malocclusion
curve of wilson
causes of primary occlusal trauma
32. Occlusal guard =
Crossbite
hawley appliance
infraversion
premature curve of spee
33. Patients show evidence or signs and syptoms of occ disease
pathologic occlusion
Overbit
Edge to edge bite occurs when
Open bite
34. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
An ideal curve of spee would be
Premature contact
Curve of Spee
Overbit
35. What is not affected by occ trauma
occlusal erosion
gingiva
fremitus
Edge to edge bite occurs when
36. Excessive deposition of cementum around the apex - due to excessive occlusal forces
occlusion
hypercementosis
left working movement
codestructive theory
37. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
non working or balancing side
canine relationship
conditions that occur in class II - div I
tooth mobility
38. 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
inflammation
causes of open bite
Curve of Spee
Unilateral crossbite occurs when
39. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
decrease over time
overjet
centric occlusion
physiologic occlusion
40. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
decrease over time
codestructive theory
Centric(habitual) occlusion
41. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
conditions that occur in class II - div I
late curve of spee
class I
42. 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
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
overbite
Overjet
malocclusion
43. Survival of the dentition despite its deviation from a preconceived hypothetical normal
distal step
overjet
conditions that occur in class III
physiologic occlusion
44. Mandibular molars more distal than maxillary molars
tooth mobility
distal step
occlusion
An ideal curve of spee would be
45. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
canine guidance or protection
centric occlusion
Glickman 1963
anterior crossbite
46. Maxillary - Mandibular - Facial
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
An ideal curve of spee would be
Acromegaly
class II malocclusion
47. 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
moderate overbite
secondary occlusal trauma
openbite
48. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
centric occlusion
traumatic overbite
traumatogenic occlusion
occlusal erosion
49. Maxillary anterior teeth stick out labially from tongue thrusting
Open bite
posterior crossbite
torsoversion
Protrusion
50. Incisal 3rd
Crossbite
normal overbite
class III - classificaiton
inflammation