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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 a left working movement - the right side is known as the
conditions that occur in class I malocclusion
non working or balancing side
supraversion
moderate overbite
2. Radiographically - the PDL space is wider at the coronal third of the root
overjet
functional contacts
crestal funneling
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
3. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
Nonworking side
occlusal trauma
crestal funneling
occlusion
4. Most common cause is when the maxilla does not grow in proportion to the mandible
Crossbite
late curve of spee
non working or balancing side
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
5. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
dynamic occlusion
conditions that occur in class II - div I
Centric relation
diastemas
6. Patients show evidence or signs and syptoms of occ disease
inter-arch
Centric occlusion is also called
class I
pathologic occlusion
7. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
canine relationship
left working movement
conditions that occur in class III
physiologic occlusion
8. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
normal curve of spee
Curve of Wilson
primate spaces
flush terminal plane
9. Starts closer to premolars
posterior crossbite
Edge to edge bite occurs when
Attrition
premature curve of spee
10. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
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
class III - classificaiton
An ideal curve of spee would be
traumatogenic occlusion
11. If the mandible moves to the left - the mvmt is known as a left working movement
Midline deviation
left working movement
severe overbite
Edge to edge bite occurs when
12. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
protrusive occlusion
other names for centric occlusion
13. Mandible moves to the right or left
physiologic occlusion
splinting
Lateral excursion
Attrition
14. Below occlusal plane
infraversion
functional occlusion
pathologic tooth migration
primary occlusal trauma
15. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
inflammation
functional occlusion
protrusive occlusion
physiologic occlusion
16. Normal contacts between max. and mand. teeth; momentary contacts
functional contacts
canine guidance or protection
class II - div 1
decrease over time
17. Starts around the mesial of the 1st molar
normal curve of spee
other names for centric occlusion
gingiva
overbite
18. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Dentures
functional contacts
drifted mesial
conditions that occur in class I malocclusion
19. Horizontal
Overjet is a ___ measurement
selective grinding or occlusal equilibration
premature occlusal contact
crossbite
20. During protrusive occ - ______ is considered undesirable
posterior contact
overbite
anterior crossbite
splinting
21. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Occlusion can be affected by
Overbit
infraversion
Attrition
22. Prognathic profile
normal overbite
centric occlusion
Overjet is a ___ measurement
class III
23. Above occlusal plane
occlusion
Crossbite
supraversion
class III
24. The side to which the mandible moves(chewing side)
bone support
Dentures
pathologic tooth migration
Working side
25. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
malocclusion
pathologic tooth migration
If the condyles continue to grow - extreme mesial step will turn into ___
Glickman 1963
26. Mandibular molars more mesial than maxillary molars (most children)
excessive occlusal force
Overjet
interdigitation
mesial step
27. Excessive deposition of cementum around the apex - due to excessive occlusal forces
hypercementosis
osteoclast resorption
protrusive occlusion
Malocclusion
28. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
overbite
Overbite is a ___ measurement
Open bite
crossbite
29. Guidance for protrusive occ should be on the
Centric relation
conditions that occur in class II - div I
anterior teeth
class II - div 2
30. Vertical
Centric relation
flush terminal plane
Overbite is a ___ measurement
class III - classificaiton
31. After periodontal sugery - mobility will ________
Edge to edge bite occurs when
causes of open bite
Acromegaly
decrease over time
32. Functional occlusion
hawley appliance
dynamic occlusion
premature curve of spee
canine relationship
33. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
class II malocclusion
Occlusion can be affected by
divisions of parafunctional contacts
Centric(habitual) occlusion
34. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
codestructive theory
occlusion
Overjet is a ___ measurement
35. Transverse occlusal curvature; posterior teeth; medio-lateral postion (r-l)
If the condyles continue to grow - extreme mesial step will turn into ___
overjet
curve of wilson
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
36. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
functional occlusion
Dentures
flush terminal plane
secondary occlusal trauma
37. 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
conditions that occur in class I malocclusion
anterior crossbite
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
Retrusion
38. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
severe overbite
centric occlusion - centric relation - protrusive and lateral movements
Centric relation
Lateral excursion
39. Tongue thrust or thumb sucking can cause
class II division I occlusion
causes of open bite
inflammation
If the condyles continue to grow - extreme mesial step will turn into ___
40. Mesognathic profile
class I
Overbit
left working movement
fremitus
41. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
causes of open bite
Misalignment of teeth
anterior crossbite
42. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
premature curve of spee
Open bite
Curve of Spee
molar relationship
43. Relationship of the teeth in opposite arches; static position
edge to edge
class II malocclusion
centric occlusion
posterior contact
44. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
traumatic overbite
causes of primary occlusal trauma
secondary occlusal trauma
intercuspation
45. Associated with performance; all contacts during function of the oral cavity
curve of spee
physiologic occlusion
overbite
functional occlusion
46. A continuation of the spee of to extend through the condyle
premature curve of spee
linguoversion
An ideal curve of spee would be
other names for centric occlusion
47. Maximum interlocking of cusp
Overjet is a ___ measurement
posterior contact
Condyles of the mandible continue grow ___than the maxilla
intercuspation
48. Tongue thrusting; thumb sucking - pacifiers
excessive occlusal force
curve of monson
causes of open bite
canine relationship
49. Horizontal distance of anterior teeth in crossbite
Nonworking side
end to end
underjet
secondary occlusal trauma
50. Mandibular molars and maxillary molars are even
occlusal trauma
flush terminal plane
conditions that occur in class II - div I
Condyles of the mandible continue grow ___than the maxilla