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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. Mandible moves to the right or left
Working side
malocclusion
Lateral excursion
Intercuspation
2. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
bone support
class I
curve of wilson
3. Max canine occludes with mand. canine and mand. 1st premolar.
crestal funneling
infraversion
canine relationship
anterior crossbite
4. Mvmt of the mandible in a direction anterior to centric occ
protrusive occlusion
Centric relation
curve of spee
inter-arch
5. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
posterior contact
functional occlusion
open bite
6. Vertical overlapping
Hereditary factors include
pathologic occlusion
Retrusion
overbite
7. Relationship of the teeth in opposite arches; static position
divisions of parafunctional contacts
centric occlusion
Bilateral crossbite occurs on...
labialversion or buccoversion
8. Maxillary anterior teeth stick out labially from tongue thrusting
secondary occlusal trauma
Protrusion
Centric relation
temporalis and masseter
9. II (mal)occlusion
Condyles of the mandible continue grow ___than the maxilla
splinting
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Dentures
10. Need tooth to tooth contact on both working and non working sides to func effectively
intercuspation
canine guidance or protection
horizontal overlap
Dentures
11. Mandibular molars more distal than maxillary molars
conditions that occur in class I malocclusion
causes of primary occlusal trauma
canine relationship
distal step
12. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
hypercementosis
Curve of Wilson
causes of primary occlusal trauma
anterior teeth
13. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
tooth mobility
leeway spaces
openbite
parafunctional contacts
14. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
inter-arch
other names for centric occlusion
conditions that occur in class I malocclusion
functional occlusion
15. Tongue thrust or thumb sucking can cause
Maxillary posterior teeth vertical alignment
class II division I occlusion
crestal funneling
centric occlusion
16. Vibrational mvmt of a tooth under occ function
malocclusion
centric occlusion
fremitus
edge to edge
17. Maximum interlocking of cusp
bone support
crestal funneling
intercuspation
Underjet
18. Mandibular molars and maxillary molars are even
Nonworking side
Open bite
flush terminal plane
functional occlusion
19. Laterally
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
posterior crossbite
anterior teeth
From a frontal view - anterior teeth lean ___
20. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
Open bite
Attrition
traumatic overbite
Glickman 1963
21. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
horizontal overlap
decrease over time
labialversion or buccoversion
primate spaces
22. After periodontal sugery - mobility will ________
moderate overbite
Centric(habitual) occlusion
decrease over time
excessive occlusal force
23. Maximal intercuspation or contact of the max and mand teeth
centric occlusion
inflammation
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
functional occlusion
24. Maxillary incisors are are lingual to mandibular incisors
vertical overlap
premature curve of spee
Underjet
conditions that occur in class III
25. Lateral mvmt results in contact btwn the max and mand canines
canine guidance or protection
class II malocclusion
anterior crossbite
secondary occlusal trauma
26. Difference between primary and secondary occ trauma
bone support
class I
Acromegaly
From a frontal view - anterior teeth lean ___
27. Curve of the occlusal plane; from anterior to posterior - increases with age
Hereditary factors include
divisions of parafunctional contacts
centric relation
curve of spee
28. Contact between maxillary incisors does not line up with contact of mandibular incisors
secondary occlusal trauma
Midline deviation
Glickman 1963
Unilateral crossbite occurs when
29. Tongue thrusting; thumb sucking - pacifiers
causes of open bite
intercuspation
divisions of parafunctional contacts
An ideal curve of spee would be
30. The side to which the mandible moves(chewing side)
Attrition
Working side
traumatogenic occlusion
Lateral excursion
31. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
interdigitation
occlusion pattern
Curve of Spee
occlusion
32. Teeth are misaligned when biting together
protrusive occlusion
secondary occlusal trauma
Malocclusion
Underjet
33. Vertical
crossbite
Intercuspation
Overbite is a ___ measurement
labialversion or buccoversion
34. Later
Condyles of the mandible continue grow ___than the maxilla
Centric occlusion is also called
labialversion or buccoversion
Unilateral crossbite occurs when
35. During selective grinding - occlusion should be adjusted In what four relationships
anterior crossbite
Working side
centric occlusion - centric relation - protrusive and lateral movements
Intercuspation
36. Survival of the dentition despite its deviation from a preconceived hypothetical normal
traumatogenic occlusion
moderate overbite
physiologic occlusion
primary occlusal trauma
37. Prognathic profile
class III
class II
diastemas
class II - div 1
38. Selective grinding should always be completed after ______ has been controlled
hypercementosis
secondary occlusal trauma
inflammation
conditions that occur in class II - div I
39. When no teeth are contacting on this side
occlusal erosion
Nonworking side
anterior crossbite
decrease over time
40. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
class I
traumatic overbite
Edge to edge bite occurs when
Leeway space
41. Muscles that work the jaw; may become sore due to occ trauma
Overbite is a ___ measurement
Intercuspation
infraversion
temporalis and masseter
42. Mesognathic profile
occlusal erosion
class I
excessive occlusal force
left working movement
43. #7 - 26 - 27
pathologic tooth migration
class I
crossbite
Maxillary posterior teeth vertical alignment
44. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
posterior crossbite
conditions that occur in class I malocclusion
Protrusion
splinting
45. Tooth extracted
bone support
functional occlusion
edge to edge
drifted mesial
46. 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
Overjet
centric occlusion
infraversion
causes of open bite
47. Usually indicative of moderate to sever perio and secondary occ trauma
pathologic tooth migration
centric relation
protrusive occlusion
occlusal erosion
48. Introduced the concept of codestruction
group function
leeway spaces
Glickman 1963
class II malocclusion
49. Measurement of horizontal overlap w/ probe
overjet
non working or balancing side
occlusion
selective grinding or occlusal equilibration
50. Overlap of anterior teeth
class II
vertical overlap
selective grinding or occlusal equilibration
pathologic occlusion