SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Mandibular molars more mesial than maxillary molars (most children)
premature occlusal contact
mesial step
excessive occlusal force
moderate overbite
2. Abnormal contacts; occlusal habits - and neuroses
mesial step
parafunctional contacts
severe overbite
flush terminal plane
3. Max canine occludes with mand. canine and mand. 1st premolar.
canine relationship
class II
centric relation
pathologic tooth migration
4. Tooth positioned more lingual
osteoclast resorption
anterior crossbite
linguoversion
other names for centric occlusion
5. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
Glickman 1963
codestructive theory
interdigitation
gingiva
6. Mb cusp of max 1st molar-buccal groove of mand 1st molar
causes of open bite
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
molar relationship
Premature contact
7. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
pathologic occlusion
class II - div 1
causes of primary occlusal trauma
leeway spaces
8. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
Occlusion can be affected by
curve of wilson
codestructive theory
Mandibular posterior teeth vertical alignment
9. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
other names for centric occlusion
decrease over time
underjet
10. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
If the condyles continue to grow - extreme mesial step will turn into ___
Premature contact
end to end
occlusion
11. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
Abfraction
normal curve of spee
class II malocclusion
12. Muscles that work the jaw; may become sore due to occ trauma
Curve of Wilson
temporalis and masseter
normal overbite
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
13. Primary teeth set ___________________ for permanent
From a frontal view - anterior teeth lean ___
Dentures
hypercementosis
occlusion pattern
14. Mandible moves to the right or left
Lateral excursion
splinting
How the diastemas are closed up(including primates spaces)
vertical overlap
15. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
occlusal trauma
edge to edge
Maxillary posterior teeth vertical alignment
Midline deviation
16. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
Misalignment of teeth
malocclusion
primate spaces
17. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
An ideal curve of spee would be
interdigitation
primate spaces
If the condyles continue to grow - extreme mesial step will turn into ___
18. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
late curve of spee
conditions that occur in class II - div I
Overjet
19. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
leeway spaces
overjet
primary occlusal trauma
20. Anterior; no horizontal overlap
Unilateral crossbite occurs when
primate spaces
conditions that occur in class III
edge to edge
21. Retrognathic profile
class II
If the condyles continue to grow - extreme mesial step will turn into ___
causes of open bite
Intercuspation
22. Starts closer to premolars
codestructive theory
Overbite is a ___ measurement
premature curve of spee
supraversion
23. Maximal intercuspation or contact of the max and mand teeth
Centric relation
molar relationship
centric occlusion
group function
24. ____ is not a sign of occl trauma
left working movement
excessive occlusal force
occlusal erosion
Retrusion
25. During protrusive occ - ______ is considered undesirable
pathologic tooth migration
posterior contact
distal step
If the condyles continue to grow - extreme mesial step will turn into ___
26. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
severe overbite
fremitus
occlusal trauma
27. Introduced the concept of codestruction
underjet
Glickman 1963
primary occlusal trauma
From a frontal view - anterior teeth lean ___
28. Lateral mvmt results in contacct of all posterior teeth
Working side
normal overbite
group function
infraversion
29. Radiographically - the PDL space is wider at the coronal third of the root
crestal funneling
pathologic occlusion
Midline deviation
Intercuspation
30. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
traumatogenic occlusion
moderate overbite
normal curve of spee
Curve of Spee
31. Difference between primary and secondary occ trauma
Midline deviation
Bilateral crossbite occurs on...
bone support
other names for centric occlusion
32. Buck teeth are common and are considered
malocclusion
class II malocclusion
infraversion
premature curve of spee
33. Retrognathic profile; buccal groove of mand 1st molar-distal to mb cusp of max 1st; distal of mand. canine distal to mesial to max caniine - tendency toward class II
fremitus
Overjet is a ___ measurement
class II - div 2
underjet
34. Teeth are misaligned when biting together
Malocclusion
Lateral excursion
functional occlusion
linguoversion
35. Posterior; no horizontal overlap
horizontal overlap
Acromegaly
secondary occlusal trauma
end to end
36. Vibrational mvmt of a tooth under occ function
horizontal overlap
occlusal trauma
intercuspation
fremitus
37. 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
centric relation
class III - classificaiton
overbite
splinting
38. Cusps of maxillary teeth directly over cusps of mandibular teeth
inter-arch
Nonworking side
Unilateral crossbite occurs when
Edge to edge bite occurs when
39. Class III (mal)occlusion of permanent teeth
left working movement
bone support
crestal funneling
If the condyles continue to grow - extreme mesial step will turn into ___
40. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
excessive occlusal force
Curve of Spee
openbite
class II
41. Laterally
class II division I occlusion
Occlusion can be affected by
From a frontal view - anterior teeth lean ___
conditions that occur in class III
42. Overlap of anterior teeth
class II division I occlusion
anterior teeth
secondary occlusal trauma
vertical overlap
43. Need tooth to tooth contact on both working and non working sides to func effectively
Dentures
class II malocclusion
occlusal trauma
Misalignment of teeth
44. Horizontal distance of anterior teeth in crossbite
underjet
Centric occlusion is also called
Midline deviation
overbite
45. Mesognathic profile
class I
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
edge to edge
inter-arch
46. Mandibular molars more distal than maxillary molars
divisions of parafunctional contacts
canine relationship
Crossbite
distal step
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
traumatogenic occlusion
crossbite
dynamic occlusion
48. Tongue thrust or thumb sucking can cause
class II division I occlusion
normal overbite
Maxillary posterior teeth vertical alignment
splinting
49. 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
If the condyles continue to grow - extreme mesial step will turn into ___
horizontal overlap
tooth mobility
Unilateral crossbite occurs when
50. Contact between maxillary incisors does not line up with contact of mandibular incisors
Edge to edge bite occurs when
Dentures
Midline deviation
Unilateral crossbite occurs when