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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. Radiographically - the PDL space is wider at the coronal third of the root
infraversion
Leeway space
crestal funneling
class II - div 2
2. Tongue thrust or thumb sucking can cause
occlusion pattern
class II division I occlusion
causes of open bite
class II
3. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
conditions that occur in class II - div 2
drifted mesial
functional occlusion
tooth mobility
4. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
occlusion
secondary occlusal trauma
Leeway space
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
5. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
primary occlusal trauma
Occlusion can be affected by
other names for centric occlusion
overjet
6. Cusps of maxillary teeth directly over cusps of mandibular teeth
Edge to edge bite occurs when
primary occlusal trauma
conditions that occur in class I malocclusion
centric relation
7. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
primate spaces
class II malocclusion
Acromegaly
occlusal trauma
8. Vibrational mvmt of a tooth under occ function
fremitus
temporalis and masseter
Underjet
curve of monson
9. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
Overbite is a ___ measurement
conditions that occur in class I malocclusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
10. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
normal overbite
pathologic occlusion
Centric occlusion is also called
inflammation
11. Maximum interlocking of cusp
class II division I occlusion
intercuspation
How the diastemas are closed up(including primates spaces)
Edge to edge bite occurs when
12. 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
decrease over time
primate spaces
class II - div 2
Occlusion can be affected by
13. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
class II - div 1
functional occlusion
Centric relation
14. Mesially - Labially
decrease over time
functional occlusion
codestructive theory
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
15. Teeth are misaligned when biting together
excessive occlusal force
Malocclusion
class III - classificaiton
occlusal erosion
16. Muscles that work the jaw; may become sore due to occ trauma
temporalis and masseter
conditions that occur in class III
moderate overbite
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
17. Need tooth to tooth contact on both working and non working sides to func effectively
left working movement
physiologic occlusion
Dentures
canine guidance or protection
18. Both sides
left working movement
Bilateral crossbite occurs on...
Nonworking 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
19. Curve of the occlusal plane; from anterior to posterior - increases with age
curve of spee
non working or balancing side
Centric relation
Protrusion
20. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
other names for centric occlusion
inter-arch
conditions that occur in class I malocclusion
centric occlusion
21. Below occlusal plane
causes of primary occlusal trauma
malocclusion
curve of wilson
infraversion
22. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
Misalignment of teeth
severe overbite
splinting
anterior teeth
23. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
dynamic occlusion
tooth mobility
primate spaces
infraversion
24. Prognathic profile
premature curve of spee
class III
Bilateral crossbite occurs on...
curve of wilson
25. Contact between maxillary incisors does not line up with contact of mandibular incisors
conditions that occur in class I malocclusion
Midline deviation
inter-arch
hawley appliance
26. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
inter-arch
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
physiologic occlusion
traumatic overbite
27. Above occlusal plane
fremitus
hawley appliance
distal step
supraversion
28. Mvmt of the mandible in a direction anterior to centric occ
class II - div 1
protrusive occlusion
tooth mobility
Occlusion can be affected by
29. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
bone support
primate spaces
traumatic overbite
Lateral excursion
30. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Attrition
functional contacts
conditions that occur in class III
curve of spee
31. Max canine occludes with mand. canine and mand. 1st premolar.
occlusion pattern
occlusal erosion
traumatogenic occlusion
canine relationship
32. Tooth extracted
Maxillary posterior teeth vertical alignment
vertical overlap
fremitus
drifted mesial
33. Associated with performance; all contacts during function of the oral cavity
bone support
flush terminal plane
Occlusion can be affected by
functional occlusion
34. Starts around the mesial of the 1st molar
normal curve of spee
class III
occlusal trauma
end to end
35. #7 - 26 - 27
crossbite
functional occlusion
centric occlusion
other names for centric occlusion
36. Difference between primary and secondary occ trauma
bone support
class II malocclusion
How the diastemas are closed up(including primates spaces)
Bilateral crossbite occurs on...
37. Starts closer to the posterior of the 1st molar
Overbit
centric relation
late curve of spee
flush terminal plane
38. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
How the diastemas are closed up(including primates spaces)
Lateral excursion
Overbite is a ___ measurement
Leeway space
39. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
infraversion
dynamic occlusion
functional occlusion
40. Middle 3rd
traumatic overbite
pathologic tooth migration
occlusal erosion
moderate overbite
41. Introduced the concept of codestruction
Edge to edge bite occurs when
conditions that occur in class III
Glickman 1963
linguoversion
42. Patients show evidence or signs and syptoms of occ disease
fremitus
Curve of Wilson
pathologic occlusion
crestal funneling
43. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
parafunctional contacts
Protrusion
occlusal trauma
44. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
premature curve of spee
occlusal trauma
horizontal overlap
anterior crossbite
45. Lateral mvmt results in contacct of all posterior teeth
class II malocclusion
Glickman 1963
anterior crossbite
group function
46. Selective grinding should always be completed after ______ has been controlled
Occlusion can be affected by
occlusion pattern
inflammation
Malocclusion
47. Relationship of the teeth in which the incisal ridges of the maxillary anterior teeth extend below the incisal edges of the mandibular anterior teeth when the teeth are placed in a centric occlusal relationship
centric occlusion - centric relation - protrusive and lateral movements
vertical overlap
Overbit
functional occlusion
48. Does not result from brushing at all - but from traumatic lateral forces placed on the teeth as a result of a malocclusion or abnormal tongue activity. Root surface is exposed & can become carious
Abfraction
Glickman 1963
linguoversion
openbite
49. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
molar relationship
Hereditary factors include
normal curve of spee
mesial step
50. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
severe overbite
secondary occlusal trauma
Acromegaly
normal curve of spee
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