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. Prognathic profile; buccal groove of mand. 1st molar-mesial to mb cusp of max. 1st molar; distal of mand. canine mesial to mesial of max canine; tendency toward class III
class III - classificaiton
vertical overlap
Open bite
Misalignment of teeth

2. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
An ideal curve of spee would be
traumatic overbite
Crossbite
class II division I occlusion

3. Permits healing of the attachment apparatus by holding a tooth in a totally fixed position; allows the PDL to become narrower and the mobility to be reduced
splinting
pathologic tooth migration
How the diastemas are closed up(including primates spaces)
Condyles of the mandible continue grow ___than the maxilla

4. Incisal 3rd
normal overbite
centric occlusion
hawley appliance
Retrusion

5. Individual teeth from each arch can be involved in ________________ malocclusion
Overbite is a ___ measurement
Overjet is a ___ measurement
inter-arch
causes of open bite

6. II (mal)occlusion
Midline deviation
gingiva
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class II - div 2

7. Curve spee & wilson - 3-d - not proven
infraversion
curve of monson
excessive occlusal force
occlusion pattern

8. Vibrational mvmt of a tooth under occ function
centric occlusion - centric relation - protrusive and lateral movements
class II
Overjet
fremitus

9. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
If the condyles continue to grow - extreme mesial step will turn into ___
Centric occlusion is also called
traumatogenic occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

10. Maxillary - Mandibular - Facial
edge to edge
distal step
traumatogenic occlusion
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

11. Most common cause is when the maxilla does not grow in proportion to the mandible
Abfraction
temporalis and masseter
class III
Crossbite

12. A continuation of the spee of to extend through the condyle
secondary occlusal trauma
An ideal curve of spee would be
centric relation
posterior crossbite

13. Retrognathic profile
Abfraction
parafunctional contacts
anterior crossbite
class II

14. Relationship of the arches bone to bone;
normal overbite
primary occlusal trauma
centric relation
overjet

15. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Overbite is a ___ measurement
conditions that occur in class I malocclusion
mesial step
Occlusion can be affected by

16. 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
class II malocclusion
Abfraction
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
conditions that occur in class III

17. Vertical overlapping
Misalignment of teeth
codestructive theory
supraversion
overbite

18. Tooth positioned more lingual
linguoversion
Premature contact
canine relationship
centric occlusion - centric relation - protrusive and lateral movements

19. Maxillary overlap mandibular; whole arch
posterior crossbite
horizontal overlap
conditions that occur in class III
distal step

20. Tongue thrusting; thumb sucking - pacifiers
centric relation
Crossbite
Curve of Spee
causes of open bite

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
Unilateral crossbite occurs when
gingiva
Mandibular posterior teeth vertical alignment
secondary occlusal trauma

22. Functional occlusion
primary occlusal trauma
From a frontal view - anterior teeth lean ___
Unilateral crossbite occurs when
dynamic occlusion

23. Occlusal guard =
labialversion or buccoversion
Centric occlusion is also called
occlusal trauma
hawley appliance

24. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
How the diastemas are closed up(including primates spaces)
Unilateral crossbite occurs when
tooth mobility
occlusion

25. Prognathic profile
class II malocclusion
hypercementosis
bone support
class III

26. Horizontal
Unilateral crossbite occurs when
splinting
centric occlusion
Overjet is a ___ measurement

27. Below occlusal plane
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
openbite
infraversion
supraversion

28. Mobility - migration - pain - premature contact - widening of PDL - parafuntional habits - TMJ problems - all result in _________
hypercementosis
Dentures
Hereditary factors include
occlusal trauma

29. Overlap of anterior teeth
vertical overlap
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Working side
conditions that occur in class II - div I

30. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
anterior crossbite
late curve of spee
Retrusion
Curve of Wilson

31. Mand. facial or lingual to max. - unitlateral or bilateral; incorrect horizontal overlap
non working or balancing side
divisions of parafunctional contacts
secondary occlusal trauma
posterior crossbite

32. Abnormal contacts; occlusal habits - and neuroses
occlusal erosion
Premature contact
Open bite
parafunctional contacts

33. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
selective grinding or occlusal equilibration
malocclusion
Curve of Wilson
anterior crossbite

34. Maximum interlocking of cusp
intercuspation
functional contacts
Premature contact
physiologic occlusion

35. Tongue thrust or thumb sucking can cause
centric occlusion - centric relation - protrusive and lateral movements
class II division I occlusion
functional occlusion
How the diastemas are closed up(including primates spaces)

36. Lateral mvmt results in contacct of all posterior teeth
dynamic occlusion
posterior contact
group function
If the condyles continue to grow - extreme mesial step will turn into ___

37. During protrusive occ - ______ is considered undesirable
Mandibular posterior teeth vertical alignment
secondary occlusal trauma
posterior contact
curve of spee

38. Mvmt of the mandible in a direction anterior to centric occ
Abfraction
Retrusion
underjet
protrusive occlusion

39. Teeth are misaligned when biting together
conditions that occur in class III
open bite
Malocclusion
How the diastemas are closed up(including primates spaces)

40. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
occlusal trauma
Centric relation
conditions that occur in class II - div 2
normal overbite

41. 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
Curve of Wilson
centric occlusion
Overbit
Intercuspation

42. Slight buccal inclination of crown - lingual inclination of root
Misalignment of teeth
parafunctional contacts
Maxillary posterior teeth vertical alignment
drifted mesial

43. During selective grinding - occlusion should be adjusted In what four relationships
late curve of spee
infraversion
centric occlusion
centric occlusion - centric relation - protrusive and lateral movements

44. Mandibular molars and maxillary molars are even
class II malocclusion
malocclusion
normal curve of spee
flush terminal plane

45. Introduced the concept of codestruction
underjet
occlusal trauma
centric occlusion
Glickman 1963

46. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
anterior crossbite
normal overbite
centric occlusion - centric relation - protrusive and lateral movements

47. Widening of the PDL in areas under pressure results due to
osteoclast resorption
Acromegaly
class III
anterior teeth

48. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
conditions that occur in class II - div I
Protrusion
Maxillary posterior teeth vertical alignment
overbite

49. Mandibular molars more mesial than maxillary molars (most children)
late curve of spee
Leeway space
Premature contact
mesial step

50. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
distal step
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class III
occlusal trauma