Test your basic knowledge |

Dentistry Occlusion

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. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
From a frontal view - anterior teeth lean ___
functional occlusion
class III - classificaiton
diastemas

2. Functional occlusion
Underjet
hawley appliance
dynamic occlusion
conditions that occur in class II - div I

3. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
traumatogenic occlusion
class II - div 1
Centric relation
Open bite

4. Tooth positioned more lingual
linguoversion
Leeway space
Crossbite
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

5. Mandible moves to the right or left
malocclusion
Lateral excursion
occlusal erosion
moderate overbite

6. Muscles that work the jaw; may become sore due to occ trauma
temporalis and masseter
functional contacts
Hereditary factors include
codestructive theory

7. Associated with performance; all contacts during function of the oral cavity
vertical overlap
Nonworking side
Overbite is a ___ measurement
functional occlusion

8. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
premature curve of spee
malocclusion
codestructive theory
class I

9. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
late curve of spee
end to end
curve of wilson
traumatic overbite

10. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
distal step
excessive occlusal force
leeway spaces
occlusal trauma

11. Starts closer to the posterior of the 1st molar
late curve of spee
centric occlusion
Dentures
Premature contact

12. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
Hereditary factors include
curve of monson
Nonworking side
centric occlusion - centric relation - protrusive and lateral movements

13. Class III (mal)occlusion of permanent teeth
horizontal overlap
class II malocclusion
Occlusion can be affected by
If the condyles continue to grow - extreme mesial step will turn into ___

14. #7 - 26 - 27
crossbite
bone support
centric occlusion
conditions that occur in class I malocclusion

15. 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
pathologic tooth migration
class II malocclusion
drifted mesial
Overbit

16. Posterior; no horizontal overlap
Protrusion
Glickman 1963
non working or balancing side
end to end

17. Spaces between two teeth
Curve of Wilson
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
diastemas
centric relation

18. Laterally
traumatogenic occlusion
physiologic occlusion
hypercementosis
From a frontal view - anterior teeth lean ___

19. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
conditions that occur in class I malocclusion
Overbite is a ___ measurement
class III - classificaiton
decrease over time

20. Starts closer to premolars
premature curve of spee
functional occlusion
occlusal trauma
leeway spaces

21. 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
labialversion or buccoversion
bone support
temporalis and masseter
Unilateral crossbite occurs when

22. 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
drifted mesial
secondary occlusal trauma
Overjet
canine guidance or protection

23. Maxillary - Mandibular - Facial
conditions that occur in class II - div I
mesial step
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

24. Mandibular molars more mesial than maxillary molars (most children)
occlusal trauma
vertical overlap
non working or balancing side
mesial step

25. Excessive deposition of cementum around the apex - due to excessive occlusal forces
class II
Curve of Wilson
hypercementosis
Retrusion

26. Individual teeth from each arch can be involved in ________________ malocclusion
overjet
secondary occlusal trauma
codestructive theory
inter-arch

27. If the mandible moves to the left - the mvmt is known as a left working movement
left working movement
premature occlusal contact
occlusal trauma
vertical overlap

28. Curve spee & wilson - 3-d - not proven
curve of monson
Maxillary posterior teeth vertical alignment
Overbite is a ___ measurement
causes of primary occlusal trauma

29. Cusps of maxillary teeth directly over cusps of mandibular teeth
overbite
late curve of spee
Edge to edge bite occurs when
class II - div 2

30. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
primate spaces
openbite
dynamic occlusion
Acromegaly

31. Mesognathic profile
class I
From a frontal view - anterior teeth lean ___
Maxillary posterior teeth vertical alignment
Misalignment of teeth

32. Occlusal guard =
inter-arch
How the diastemas are closed up(including primates spaces)
secondary occlusal trauma
hawley appliance

33. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
hawley appliance
premature occlusal contact
parafunctional contacts

34. Lateral mvmt results in contact btwn the max and mand canines
conditions that occur in class II - div I
Edge to edge bite occurs when
canine guidance or protection
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs

35. Below occlusal plane
infraversion
Dentures
class III
From a frontal view - anterior teeth lean ___

36. Starts around the mesial of the 1st molar
anterior crossbite
normal curve of spee
Glickman 1963
posterior crossbite

37. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
Centric relation
class II
inflammation
temporalis and masseter

38. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
canine relationship
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
Leeway space
Lateral excursion

39. Retrognathic profile
labialversion or buccoversion
Premature contact
class II
conditions that occur in class II - div I

40. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
Overjet
Curve of Spee
secondary occlusal trauma
traumatogenic occlusion

41. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
Premature contact
edge to edge
conditions that occur in class III
vertical overlap

42. Relationship of the arches bone to bone;
occlusal trauma
centric relation
Occlusion can be affected by
class III - classificaiton

43. Most common cause is when the maxilla does not grow in proportion to the mandible
temporalis and masseter
Crossbite
non working or balancing side
moderate overbite

44. 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
other names for centric occlusion
centric occlusion
Crossbite

45. Maxillary incisors are are lingual to mandibular incisors
Underjet
end to end
traumatic overbite
Hereditary factors include

46. During protrusive occ - ______ is considered undesirable
posterior contact
crestal funneling
horizontal overlap
centric occlusion

47. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
temporalis and masseter
causes of primary occlusal trauma
posterior crossbite
horizontal overlap

48. Measurement of horizontal overlap w/ probe
Maxillary posterior teeth vertical alignment
centric occlusion - centric relation - protrusive and lateral movements
overjet
Mandibular posterior teeth vertical alignment

49. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Hereditary factors include
physiologic occlusion
leeway spaces
class III - classificaiton

50. During selective grinding - occlusion should be adjusted In what four relationships
Overbit
non working or balancing side
protrusive occlusion
centric occlusion - centric relation - protrusive and lateral movements