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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. Retrognathic profile
An ideal curve of spee would be
canine relationship
How the diastemas are closed up(including primates spaces)
class II
2. During a left working movement - the right side is known as the
class II malocclusion
class II - div 2
Hereditary factors include
non working or balancing side
3. Excessive occ force with adequate bone support =
other names for centric occlusion
primary occlusal trauma
late curve of spee
premature occlusal contact
4. Normal contacts between max. and mand. teeth; momentary contacts
canine guidance or protection
functional contacts
Intercuspation
pathologic occlusion
5. Guidance for protrusive occ should be on the
supraversion
interdigitation
anterior teeth
left working movement
6. Selective grinding should always be completed after ______ has been controlled
inflammation
severe overbite
hawley appliance
group function
7. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
infraversion
occlusion pattern
tooth mobility
8. Both sides
Bilateral crossbite occurs on...
class III - classificaiton
class II malocclusion
codestructive theory
9. Teeth are misaligned when biting together
occlusion
hawley appliance
Malocclusion
Overbite is a ___ measurement
10. Cusps of maxillary teeth directly over cusps of mandibular teeth
Centric occlusion is also called
Edge to edge bite occurs when
edge to edge
class II malocclusion
11. Most common cause is when the maxilla does not grow in proportion to the mandible
Premature contact
horizontal overlap
physiologic occlusion
Crossbite
12. Starts closer to premolars
premature curve of spee
inflammation
conditions that occur in class II - div 2
Midline deviation
13. Above occlusal plane
supraversion
leeway spaces
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
Underjet
14. Slight buccal inclination of crown - lingual inclination of root
posterior contact
Crossbite
Maxillary posterior teeth vertical alignment
curve of monson
15. During protrusive occ - ______ is considered undesirable
tooth mobility
posterior contact
primate spaces
class II - div 2
16. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Mandibular posterior teeth vertical alignment
occlusion
class II - div 2
divisions of parafunctional contacts
17. Relationship of the arches bone to bone;
pathologic occlusion
temporalis and masseter
mesial step
centric relation
18. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
class II
physiologic occlusion
late curve of spee
19. Horizontal distance of anterior teeth in crossbite
curve of monson
anterior crossbite
underjet
interdigitation
20. What is not affected by occ trauma
An ideal curve of spee would be
Lateral excursion
Curve of Spee
gingiva
21. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
causes of open bite
curve of monson
torsoversion
Open bite
22. 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
Unilateral crossbite occurs when
Nonworking side
anterior crossbite
splinting
23. Prognathic profile
class III
posterior contact
Attrition
occlusion
24. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Premature contact
functional contacts
splinting
25. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
Crossbite
Open bite
Curve of Spee
Overjet is a ___ measurement
26. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
If the condyles continue to grow - extreme mesial step will turn into ___
conditions that occur in class II - div 2
Maxillary posterior teeth vertical alignment
Open bite
27. Middle 3rd
moderate overbite
Maxillary posterior teeth vertical alignment
functional occlusion
Underjet
28. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
crossbite
drifted mesial
tooth mobility
occlusal trauma
29. Anterior; no horizontal overlap
torsoversion
An ideal curve of spee would be
edge to edge
class III
30. 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
Open bite
Overjet
causes of open bite
occlusal trauma
31. The permanent molars erupt posterior to the primary teeth and push them all mesially
Centric occlusion is also called
Glickman 1963
How the diastemas are closed up(including primates spaces)
crestal funneling
32. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
physiologic occlusion
Crossbite
overjet
secondary occlusal trauma
33. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Acromegaly
severe overbite
Underjet
conditions that occur in class I malocclusion
34. Difference between primary and secondary occ trauma
Centric relation
moderate overbite
bone support
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
35. Cervical 3rd
bone support
decrease over time
severe overbite
Overjet is a ___ measurement
36. Radiographically - the PDL space is wider at the coronal third of the root
dynamic occlusion
overbite
centric occlusion
crestal funneling
37. Tongue thrusting; thumb sucking - pacifiers
open bite
causes of open bite
dynamic occlusion
posterior contact
38. Anterior or posterior; bilateral or unitlateral - anterior more common
Midline deviation
open bite
other names for centric occlusion
parafunctional contacts
39. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Lateral excursion
Bilateral crossbite occurs on...
pathologic occlusion
Centric relation
40. After periodontal sugery - mobility will ________
centric occlusion
interdigitation
decrease over time
premature occlusal contact
41. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
occlusion
conditions that occur in class III
linguoversion
osteoclast resorption
42. Overlap of anterior teeth
horizontal overlap
group function
Overbit
vertical overlap
43. Lateral mvmt results in contact btwn the max and mand canines
class I
Leeway space
From a frontal view - anterior teeth lean ___
canine guidance or protection
44. Starts around the mesial of the 1st molar
normal curve of spee
Occlusion can be affected by
temporalis and masseter
late curve of spee
45. Mandibular molars more distal than maxillary molars
Edge to edge bite occurs when
distal step
physiologic occlusion
openbite
46. Vertical
Centric(habitual) occlusion
Underjet
underjet
Overbite is a ___ measurement
47. Lateral mvmt results in contacct of all posterior teeth
overbite
Mandibular posterior teeth vertical alignment
Dentures
group function
48. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
group function
conditions that occur in class II - div I
Premature contact
49. Incisal 3rd
How the diastemas are closed up(including primates spaces)
group function
functional contacts
normal overbite
50. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
supraversion
hawley appliance
causes of primary occlusal trauma
Attrition