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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. Guidance for protrusive occ should be on the
anterior crossbite
anterior teeth
premature curve of spee
Overbite is a ___ measurement
2. Excessive occ force with adequate bone support =
class III
Overjet
occlusal trauma
primary occlusal trauma
3. Survival of the dentition despite its deviation from a preconceived hypothetical normal
conditions that occur in class II - div I
physiologic occlusion
Edge to edge bite occurs when
occlusion
4. Maxillary incisors are are lingual to mandibular incisors
Condyles of the mandible continue grow ___than the maxilla
Underjet
Working side
linguoversion
5. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
canine guidance or protection
normal curve of spee
non working or balancing side
conditions that occur in class II - div I
6. Tongue thrust or thumb sucking can cause
class II division I occlusion
Centric(habitual) occlusion
Premature contact
Malocclusion
7. Buck teeth are common and are considered
Nonworking side
premature occlusal contact
class II malocclusion
vertical overlap
8. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
conditions that occur in class I malocclusion
Misalignment of teeth
edge to edge
tooth mobility
9. Contact between maxillary incisors does not line up with contact of mandibular incisors
Occlusion can be affected by
Open bite
excessive occlusal force
Midline deviation
10. Teeth are misaligned when biting together
hypercementosis
centric relation
Malocclusion
inter-arch
11. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Leeway space
excessive occlusal force
Acromegaly
centric occlusion
12. Selective grinding should always be completed after ______ has been controlled
inflammation
Working side
Nonworking side
group function
13. Anterior; no horizontal overlap
edge to edge
centric relation
Working side
vertical overlap
14. Incisal 3rd
normal overbite
Overbit
selective grinding or occlusal equilibration
edge to edge
15. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
linguoversion
normal overbite
hypercementosis
Leeway space
16. Patients show evidence or signs and syptoms of occ disease
Intercuspation
pathologic occlusion
anterior crossbite
causes of open bite
17. Middle 3rd
Overjet
diastemas
moderate overbite
premature occlusal contact
18. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Mandibular posterior teeth vertical alignment
tooth mobility
Open bite
premature occlusal contact
19. Most common cause is when the maxilla does not grow in proportion to the mandible
dynamic occlusion
tooth mobility
Crossbite
causes of primary occlusal trauma
20. Tongue thrusting; thumb sucking - pacifiers
horizontal overlap
class II division I occlusion
causes of open bite
How the diastemas are closed up(including primates spaces)
21. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting 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
codestructive theory
centric occlusion - centric relation - protrusive and lateral movements
dynamic occlusion
22. The side to which the mandible moves(chewing side)
inter-arch
Working side
Glickman 1963
temporalis and masseter
23. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Acromegaly
Hereditary factors include
Retrusion
Edge to edge bite occurs when
24. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Edge to edge bite occurs when
open bite
class II
occlusion
25. When no teeth are contacting on this side
Occlusion can be affected by
Nonworking side
traumatic overbite
overbite
26. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Protrusion
molar relationship
Misalignment of teeth
edge to edge
27. Lateral mvmt results in contact btwn the max and mand canines
causes of primary occlusal trauma
canine guidance or protection
inter-arch
leeway spaces
28. ____ is not a sign of occl trauma
occlusal erosion
posterior crossbite
Overjet
crestal funneling
29. The permanent molars erupt posterior to the primary teeth and push them all mesially
Protrusion
centric occlusion
primate spaces
How the diastemas are closed up(including primates spaces)
30. Relationship of the arches bone to bone;
primary occlusal trauma
traumatogenic occlusion
Occlusion can be affected by
centric relation
31. Maxillary overlap mandibular; whole arch
Lateral excursion
hawley appliance
anterior crossbite
horizontal overlap
32. Maximum interlocking of cusp
intercuspation
How the diastemas are closed up(including primates spaces)
vertical overlap
normal overbite
33. Maxillary anterior teeth stick out labially from tongue thrusting
centric occlusion
Protrusion
From a frontal view - anterior teeth lean ___
Lateral excursion
34. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
left working movement
openbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
malocclusion
35. Abnormal contacts; occlusal habits - and neuroses
causes of open bite
parafunctional contacts
Edge to edge bite occurs when
linguoversion
36. Cervical 3rd
end to end
underjet
severe overbite
Intercuspation
37. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
curve of wilson
Overjet
Intercuspation
physiologic occlusion
38. During protrusive occ - ______ is considered undesirable
secondary occlusal trauma
anterior teeth
primary occlusal trauma
posterior contact
39. Usually indicative of moderate to sever perio and secondary occ trauma
If the condyles continue to grow - extreme mesial step will turn into ___
centric occlusion
underjet
pathologic tooth migration
40. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
other names for centric occlusion
An ideal curve of spee would be
functional occlusion
Glickman 1963
41. What is not affected by occ trauma
linguoversion
conditions that occur in class I malocclusion
Crossbite
gingiva
42. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
parafunctional contacts
mesial step
leeway spaces
Centric occlusion is also called
43. Tooth extracted
drifted mesial
supraversion
splinting
pathologic tooth migration
44. Occlusal guard =
hawley appliance
linguoversion
occlusal erosion
overjet
45. #10 & #23
diastemas
Mandibular posterior teeth vertical alignment
openbite
other names for centric occlusion
46. Slight buccal inclination of crown - lingual inclination of root
traumatogenic occlusion
Maxillary posterior teeth vertical alignment
premature curve of spee
Dentures
47. 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
Malocclusion
Overbit
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
Misalignment of teeth
48. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
gingiva
severe overbite
functional contacts
anterior crossbite
49. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
mesial step
physiologic occlusion
posterior crossbite
overjet
50. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
intercuspation
traumatic overbite
Overjet is a ___ measurement