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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. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
causes of primary occlusal trauma
curve of wilson
moderate overbite
2. Excessive occ force with adequate bone support =
labialversion or buccoversion
primary occlusal trauma
Overbite is a ___ measurement
Acromegaly
3. Excessive deposition of cementum around the apex - due to excessive occlusal forces
traumatic overbite
centric occlusion
mesial step
hypercementosis
4. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Condyles of the mandible continue grow ___than the maxilla
Occlusion can be affected by
codestructive theory
centric occlusion
5. Mandibular molars more mesial than maxillary molars (most children)
Open bite
labialversion or buccoversion
canine relationship
mesial step
6. A continuation of the spee of to extend through the condyle
Centric occlusion is also called
Centric relation
Edge to edge bite occurs when
An ideal curve of spee would be
7. Posterior; no horizontal overlap
end to end
conditions that occur in class I malocclusion
Leeway space
occlusal erosion
8. Introduced the concept of codestruction
Glickman 1963
horizontal overlap
occlusal erosion
Overbite is a ___ measurement
9. Relationship of the arches bone to bone;
centric relation
selective grinding or occlusal equilibration
crestal funneling
Edge to edge bite occurs when
10. Slight buccal inclination of crown - lingual inclination of root
Abfraction
Maxillary posterior teeth vertical alignment
intercuspation
edge to edge
11. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
Centric relation
Acromegaly
intercuspation
linguoversion
12. Abnormal contacts; occlusal habits - and neuroses
occlusion pattern
codestructive theory
horizontal overlap
parafunctional contacts
13. Maxillary overlap mandibular; whole arch
horizontal overlap
Edge to edge bite occurs when
Curve of Spee
distal step
14. Relationship of the teeth in opposite arches; static position
inter-arch
premature curve of spee
traumatogenic occlusion
centric occlusion
15. Selective grinding should always be completed after ______ has been controlled
inflammation
moderate overbite
normal overbite
conditions that occur in class I malocclusion
16. Radiographically - the PDL space is wider at the coronal third of the root
Condyles of the mandible continue grow ___than the maxilla
secondary occlusal trauma
crestal funneling
centric occlusion
17. 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
normal curve of spee
Overjet is a ___ measurement
Overbit
inter-arch
18. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II
supraversion
overbite
class II - div 1
edge to edge
19. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
class III
Maxillary posterior teeth vertical alignment
centric relation
crestal funneling
20. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
posterior contact
tooth mobility
diastemas
Attrition
21. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
protrusive occlusion
functional occlusion
conditions that occur in class II - div I
causes of open bite
22. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
intercuspation
occlusal erosion
torsoversion
conditions that occur in class II - div 2
23. Later
conditions that occur in class II - div I
drifted mesial
Condyles of the mandible continue grow ___than the maxilla
Intercuspation
24. Mesognathic profile
anterior teeth
Nonworking side
Attrition
class I
25. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
non working or balancing side
anterior crossbite
Bilateral crossbite occurs on...
crestal funneling
26. Mandible moves to the right or left
splinting
Curve of Spee
Misalignment of teeth
Lateral excursion
27. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
canine relationship
Acromegaly
physiologic occlusion
28. Functional occlusion
dynamic occlusion
Centric occlusion is also called
molar relationship
premature curve of spee
29. Starts around the mesial of the 1st molar
tooth mobility
Overbite is a ___ measurement
occlusal trauma
normal curve of spee
30. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
divisions of parafunctional contacts
Overjet
causes of open bite
anterior teeth
31. Below occlusal plane
infraversion
osteoclast resorption
diastemas
centric occlusion - centric relation - protrusive and lateral movements
32. The side to which the mandible moves(chewing side)
centric occlusion - centric relation - protrusive and lateral movements
canine relationship
Centric relation
Working side
33. After periodontal sugery - mobility will ________
occlusion
Malocclusion
decrease over time
centric relation
34. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
molar relationship
traumatogenic occlusion
open bite
causes of open bite
35. ____ is not a sign of occl trauma
occlusal erosion
If the condyles continue to grow - extreme mesial step will turn into ___
molar relationship
other names for centric occlusion
36. Buck teeth are common and are considered
hypercementosis
class II malocclusion
Nonworking side
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
37. #7 - 26 - 27
posterior contact
diastemas
crossbite
premature occlusal contact
38. Prognathic profile
class III
Centric(habitual) occlusion
How the diastemas are closed up(including primates spaces)
conditions that occur in class II - div I
39. Maxillary anterior teeth stick out labially from tongue thrusting
drifted mesial
Protrusion
Nonworking side
pathologic occlusion
40. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
class II
Centric occlusion is also called
excessive occlusal force
Leeway space
41. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
distal step
premature occlusal contact
Centric relation
class II division I occlusion
42. Rotated or twisted; rotated mesial or distal
physiologic occlusion
overbite
torsoversion
curve of wilson
43. Starts closer to the posterior of the 1st molar
Leeway space
open bite
hypercementosis
late curve of spee
44. Habitual - acquired - convenience - intercuspal & static
other names for centric occlusion
osteoclast resorption
Intercuspation
Lateral excursion
45. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Centric occlusion is also called
excessive occlusal force
Maxillary posterior teeth vertical alignment
class III - classificaiton
46. The way you normally bite your teeth together when not chewing
fremitus
Nonworking side
centric occlusion
Centric(habitual) occlusion
47. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
inflammation
malocclusion
bone support
normal curve of spee
48. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
moderate overbite
anterior crossbite
excessive occlusal force
49. Mandibular molars and maxillary molars are even
flush terminal plane
divisions of parafunctional contacts
canine guidance or protection
class II
50. Teeth are misaligned when biting together
From a frontal view - anterior teeth lean ___
centric occlusion - centric relation - protrusive and lateral movements
centric relation
Malocclusion