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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. Horizontal distance of anterior teeth in crossbite
curve of spee
tooth mobility
underjet
labialversion or buccoversion
2. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
late curve of spee
Maxillary posterior teeth vertical alignment
anterior teeth
Curve of Wilson
3. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
Malocclusion
centric relation
traumatic overbite
class III
4. Patients show evidence or signs and syptoms of occ disease
dynamic occlusion
pathologic occlusion
divisions of parafunctional contacts
How the diastemas are closed up(including primates spaces)
5. Curve of the occlusal plane; from anterior to posterior - increases with age
centric occlusion
curve of spee
causes of primary occlusal trauma
causes of open bite
6. Maximal intercuspation or contact of the max and mand teeth
centric occlusion
late curve of spee
mesial step
end to end
7. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Curve of Wilson
physiologic occlusion
linguoversion
parafunctional contacts
8. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
temporalis and masseter
conditions that occur in class II - div I
Condyles of the mandible continue grow ___than the maxilla
leeway spaces
9. 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
diastemas
labialversion or buccoversion
Retrusion
inflammation
10. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
centric relation
occlusal trauma
crossbite
causes of open bite
11. Maxillary overlap mandibular; whole arch
Overbite is a ___ measurement
openbite
horizontal overlap
class III
12. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
divisions of parafunctional contacts
physiologic occlusion
Working side
13. Vibrational mvmt of a tooth under occ function
centric relation
primate spaces
fremitus
Overjet is a ___ measurement
14. Mandible moves to the right or left
Hereditary factors include
Glickman 1963
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
Lateral excursion
15. The way you normally bite your teeth together when not chewing
Centric(habitual) occlusion
anterior teeth
class II - div 2
flush terminal plane
16. Associated with performance; all contacts during function of the oral cavity
Overjet
flush terminal plane
functional occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
17. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
traumatogenic occlusion
Glickman 1963
Misalignment of teeth
pathologic tooth migration
18. Measurement of horizontal overlap w/ probe
overjet
conditions that occur in class II - div 2
interdigitation
anterior crossbite
19. Anterior or posterior; bilateral or unitlateral - anterior more common
open bite
If the condyles continue to grow - extreme mesial step will turn into ___
osteoclast resorption
Dentures
20. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
drifted mesial
hypercementosis
occlusion
21. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
Edge to edge bite occurs when
Underjet
pathologic occlusion
22. Laterally
other names for centric occlusion
class II
protrusive occlusion
From a frontal view - anterior teeth lean ___
23. Starts closer to the posterior of the 1st molar
normal curve of spee
late curve of spee
non working or balancing side
bone support
24. 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
Curve of Wilson
Misalignment of teeth
class II - div 2
Centric relation
25. After periodontal sugery - mobility will ________
functional contacts
intercuspation
Hereditary factors include
decrease over time
26. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
secondary occlusal trauma
normal overbite
functional occlusion
27. Both sides
open bite
Bilateral crossbite occurs on...
physiologic occlusion
codestructive theory
28. Normal contacts between max. and mand. teeth; momentary contacts
class II malocclusion
functional contacts
Open bite
class II
29. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
conditions that occur in class II - div 2
traumatogenic occlusion
normal curve of spee
Overbit
30. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
curve of spee
Nonworking side
Mandibular posterior teeth vertical alignment
31. Excessive occ force with adequate bone support =
Midline deviation
fremitus
codestructive theory
primary occlusal trauma
32. Guidance for protrusive occ should be on the
anterior teeth
class II division I occlusion
horizontal overlap
Open bite
33. 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
occlusal trauma
Overjet
Unilateral crossbite occurs when
Malocclusion
34. Most common cause is when the maxilla does not grow in proportion to the mandible
intercuspation
Crossbite
Edge to edge bite occurs when
decrease over time
35. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
Nonworking side
normal overbite
primate spaces
molar relationship
36. Tooth positioned more facial
class II malocclusion
hypercementosis
labialversion or buccoversion
How the diastemas are closed up(including primates spaces)
37. Functional occlusion
functional occlusion
Maxillary posterior teeth vertical alignment
dynamic occlusion
other names for centric occlusion
38. Individual teeth from each arch can be involved in ________________ malocclusion
torsoversion
occlusal trauma
inter-arch
Protrusion
39. Maxillary incisors are are lingual to mandibular incisors
anterior crossbite
Underjet
Curve of Wilson
anterior teeth
40. Retrognathic profile
class II
occlusal trauma
premature curve of spee
Acromegaly
41. Cusps of maxillary teeth directly over cusps of mandibular teeth
conditions that occur in class I malocclusion
decrease over time
Edge to edge bite occurs when
Protrusion
42. Maximum touching of max and mand
temporalis and masseter
Glickman 1963
class II - div 2
interdigitation
43. During selective grinding - occlusion should be adjusted In what four relationships
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
centric occlusion - centric relation - protrusive and lateral movements
Nonworking side
pathologic tooth migration
44. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
leeway spaces
Midline deviation
Centric relation
excessive occlusal force
45. Maximum interlocking of cusp
intercuspation
Centric(habitual) occlusion
horizontal overlap
drifted mesial
46. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
posterior crossbite
Curve of Wilson
Bilateral crossbite occurs on...
Centric relation
47. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
inter-arch
If the condyles continue to grow - extreme mesial step will turn into ___
centric relation
48. Habitual - acquired - convenience - intercuspal & static
Retrusion
centric occlusion - centric relation - protrusive and lateral movements
other names for centric occlusion
Maxillary posterior teeth vertical alignment
49. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
Mandibular posterior teeth vertical alignment
posterior crossbite
conditions that occur in class II - div I
conditions that occur in class II - div 2
50. Posterior; no horizontal overlap
centric occlusion
overjet
end to end
normal curve of spee