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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. 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
Centric(habitual) occlusion
functional occlusion
Attrition
conditions that occur in class I malocclusion
2. After periodontal sugery - mobility will ________
Mandibular posterior teeth vertical alignment
decrease over time
leeway spaces
functional contacts
3. Anterior; no horizontal overlap
anterior teeth
Centric occlusion is also called
edge to edge
gingiva
4. What is not affected by occ trauma
class III - classificaiton
normal curve of spee
dynamic occlusion
gingiva
5. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
conditions that occur in class III
gingiva
Premature contact
Centric occlusion is also called
6. Maximum interlocking of cusp
Retrusion
Condyles of the mandible continue grow ___than the maxilla
Overjet
intercuspation
7. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
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
torsoversion
overbite
Acromegaly
8. Difference between primary and secondary occ trauma
molar relationship
inter-arch
posterior crossbite
bone support
9. Laterally
centric occlusion - centric relation - protrusive and lateral movements
anterior crossbite
From a frontal view - anterior teeth lean ___
Overbite is a ___ measurement
10. Tooth positioned more lingual
Centric occlusion is also called
class II - div 2
centric occlusion - centric relation - protrusive and lateral movements
linguoversion
11. Measurement of horizontal overlap w/ probe
occlusion pattern
centric occlusion
Curve of Spee
overjet
12. 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
Bilateral crossbite occurs on...
Retrusion
crestal funneling
physiologic occlusion
13. Maxillary overlap mandibular; whole arch
horizontal overlap
An ideal curve of spee would be
occlusal trauma
premature occlusal contact
14. Retrognathic profile -buccal groove of mand. 1st molar-distal to mb cusp of 1st max.molar -distal of mand canine distal to mesial of max canine - tendency towards class II
occlusal trauma
inflammation
pathologic occlusion
class II - div 1
15. Excessive deposition of cementum around the apex - due to excessive occlusal forces
secondary occlusal trauma
linguoversion
drifted mesial
hypercementosis
16. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
interdigitation
inflammation
centric relation
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. Abnormal contacts; occlusal habits - and neuroses
parafunctional contacts
Hereditary factors include
overbite
centric occlusion
18. Mandibular molars and maxillary molars are even
moderate overbite
flush terminal plane
supraversion
physiologic occlusion
19. 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
malocclusion
premature occlusal contact
torsoversion
20. Muscles that work the jaw; may become sore due to occ trauma
Dentures
fremitus
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
temporalis and masseter
21. Patients show evidence or signs and syptoms of occ disease
Intercuspation
occlusion
pathologic occlusion
openbite
22. During protrusive occ - ______ is considered undesirable
How the diastemas are closed up(including primates spaces)
tooth mobility
posterior contact
Mandibular posterior teeth vertical alignment
23. Posterior; no horizontal overlap
class II - div 1
posterior contact
end to end
posterior crossbite
24. Horizontal
Overjet is a ___ measurement
secondary occlusal trauma
malocclusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
25. Relationship of the teeth in opposite arches; static position
centric occlusion
Working side
molar relationship
torsoversion
26. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
flush terminal plane
Overjet is a ___ measurement
Leeway space
pathologic occlusion
27. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
dynamic occlusion
Misalignment of teeth
Intercuspation
Glickman 1963
28. Middle 3rd
centric occlusion
Leeway space
If the condyles continue to grow - extreme mesial step will turn into ___
moderate overbite
29. Vertical overlapping
overbite
centric occlusion
interdigitation
class II division I occlusion
30. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
decrease over time
class I
Hereditary factors include
diastemas
31. Cusps of maxillary teeth directly over cusps of mandibular teeth
class III
curve of spee
Edge to edge bite occurs when
anterior teeth
32. Selective grinding should always be completed after ______ has been controlled
primate spaces
inflammation
class II - div 1
moderate overbite
33. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
openbite
curve of spee
supraversion
physiologic occlusion
34. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
premature curve of spee
tooth mobility
Glickman 1963
secondary occlusal trauma
35. Tooth extracted
drifted mesial
Premature contact
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
Centric occlusion is also called
36. Mesognathic profile
Abfraction
class I
centric relation
molar relationship
37. Curved alignment of the occlusal plane when looking from a posterior view(right to left)
functional contacts
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
mesial step
Curve of Wilson
38. Maxillary incisors are are lingual to mandibular incisors
Underjet
Overbite is a ___ measurement
Edge to edge bite occurs when
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
39. Later
premature occlusal contact
class II - div 2
Condyles of the mandible continue grow ___than the maxilla
intercuspation
40. #7 - 26 - 27
conditions that occur in class III
horizontal overlap
centric occlusion
crossbite
41. Cervical 3rd
temporalis and masseter
severe overbite
Midline deviation
posterior crossbite
42. Vertical
secondary occlusal trauma
conditions that occur in class II - div I
non working or balancing side
Overbite is a ___ measurement
43. During a left working movement - the right side is known as the
From a frontal view - anterior teeth lean ___
functional occlusion
normal overbite
non working or balancing side
44. If the mandible moves to the left - the mvmt is known as a left working movement
divisions of parafunctional contacts
Centric(habitual) occlusion
left working movement
Hereditary factors include
45. Tooth positioned more facial
inter-arch
labialversion or buccoversion
Overbit
class III - classificaiton
46. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Midline deviation
How the diastemas are closed up(including primates spaces)
Centric relation
primate spaces
47. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
underjet
divisions of parafunctional contacts
non working or balancing side
leeway spaces
48. Curve of the occlusal plane; from anterior to posterior - increases with age
Centric(habitual) occlusion
tooth mobility
curve of spee
traumatic overbite
49. Mandibular molars more distal than maxillary molars
distal step
Hereditary factors include
decrease over time
physiologic occlusion
50. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
Acromegaly
Edge to edge bite occurs when
occlusion
Overjet is a ___ measurement