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. #7 - 26 - 27
canine guidance or protection
posterior crossbite
crossbite
vertical overlap

2. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
Lateral excursion
conditions that occur in class III
Crossbite

3. Tongue thrusting; thumb sucking - pacifiers
An ideal curve of spee would be
causes of open bite
Attrition
osteoclast resorption

4. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
canine guidance or protection
Open bite
If the condyles continue to grow - extreme mesial step will turn into ___
Crossbite

5. Below occlusal plane
infraversion
occlusal erosion
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
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs

6. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
protrusive occlusion
horizontal overlap
functional occlusion
conditions that occur in class II - div 2

7. Incisal 3rd
Overbite is a ___ measurement
normal overbite
Misalignment of teeth
centric occlusion

8. During selective grinding - occlusion should be adjusted In what four relationships
centric occlusion - centric relation - protrusive and lateral movements
mesial step
excessive occlusal force
Bilateral crossbite occurs on...

9. Rotated or twisted; rotated mesial or distal
leeway spaces
severe overbite
Condyles of the mandible continue grow ___than the maxilla
torsoversion

10. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
physiologic occlusion
hypercementosis
divisions of parafunctional contacts
malocclusion

11. The permanent molars erupt posterior to the primary teeth and push them all mesially
How the diastemas are closed up(including primates spaces)
overjet
Mandibular posterior teeth vertical alignment
group function

12. 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
bone support
torsoversion
class III - classificaiton
hypercementosis

13. Position of the mandible relative to the maxilla during swallowing and other times when the jaw muscles contract
divisions of parafunctional contacts
hawley appliance
Centric relation
class II division I occlusion

14. Functional occlusion
Overjet is a ___ measurement
physiologic occlusion
dynamic occlusion
overbite

15. Lateral mvmt results in contacct of all posterior teeth
diastemas
overbite
group function
left working movement

16. Cusps of maxillary teeth directly over cusps of mandibular teeth
premature curve of spee
Edge to edge bite occurs when
tooth mobility
Protrusion

17. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
Premature contact
Midline deviation
Curve of Spee

18. Mandibular molars and maxillary molars are even
Edge to edge bite occurs when
mesial step
flush terminal plane
pathologic tooth migration

19. Starts around the mesial of the 1st molar
Overbite is a ___ measurement
drifted mesial
secondary occlusal trauma
normal curve of spee

20. Vertical overlapping
diastemas
conditions that occur in class III
torsoversion
overbite

21. Cervical 3rd
centric occlusion - centric relation - protrusive and lateral movements
Centric(habitual) occlusion
severe overbite
fremitus

22. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
Maxillary posterior teeth vertical alignment
traumatogenic occlusion
group function
Premature contact

23. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
labialversion or buccoversion
crossbite
Curve of Spee
selective grinding or occlusal equilibration

24. Mesially - Labially
If the condyles continue to grow - extreme mesial step will turn into ___
Overbite is a ___ measurement
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Lateral excursion

25. Overlap of anterior teeth
conditions that occur in class I malocclusion
Acromegaly
vertical overlap
Edge to edge bite occurs when

26. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
causes of primary occlusal trauma
torsoversion
anterior crossbite
occlusal erosion

27. After periodontal sugery - mobility will ________
Centric(habitual) occlusion
crossbite
parafunctional contacts
decrease over time

28. Difference between primary and secondary occ trauma
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
selective grinding or occlusal equilibration
bone support
hawley appliance

29. Posterior; no horizontal overlap
end to end
Mandibular posterior teeth vertical alignment
codestructive theory
occlusal erosion

30. Crowns tipped lingually - roots tipped laterally
class II - div 1
Mandibular posterior teeth vertical alignment
splinting
physiologic occlusion

31. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
primate spaces
openbite
gingiva
posterior crossbite

32. Buck teeth are common and are considered
crestal funneling
primary occlusal trauma
class II malocclusion
class II - div 1

33. 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
leeway spaces
premature curve of spee
Retrusion
canine guidance or protection

34. Guidance for protrusive occ should be on the
overbite
dynamic occlusion
curve of wilson
anterior teeth

35. Mvmt of the mandible in a direction anterior to centric occ
severe overbite
diastemas
protrusive occlusion
Protrusion

36. Relationship of the arches bone to bone;
centric relation
end to end
group function
Centric occlusion is also called

37. Abnormal contacts; occlusal habits - and neuroses
physiologic occlusion
parafunctional contacts
overjet
centric occlusion

38. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
selective grinding or occlusal equilibration
How the diastemas are closed up(including primates spaces)
occlusal trauma
group function

39. Above occlusal plane
supraversion
openbite
gingiva
hawley appliance

40. Mandibular molars more distal than maxillary molars
distal step
openbite
causes of open bite
traumatogenic occlusion

41. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
codestructive theory
distal step
class II division I occlusion
leeway spaces

42. Maxillary incisors are are lingual to mandibular incisors
Centric relation
Abfraction
Acromegaly
Underjet

43. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
occlusion
centric occlusion
canine guidance or protection
physiologic occlusion

44. Excessive occ force with adequate bone support =
Hereditary factors include
Misalignment of teeth
occlusal erosion
primary occlusal trauma

45. Maximum interlocking of cusp
vertical overlap
intercuspation
mesial step
anterior teeth

46. Habitual - acquired - convenience - intercuspal & static
openbite
other names for centric occlusion
curve of monson
splinting

47. Can affect the TMJ - muscles of mastication - pulp and integrity of restorations
Centric(habitual) occlusion
excessive occlusal force
Condyles of the mandible continue grow ___than the maxilla
Mandibular posterior teeth vertical alignment

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

49. Class III (mal)occlusion of permanent teeth
Centric(habitual) occlusion
canine relationship
If the condyles continue to grow - extreme mesial step will turn into ___
Glickman 1963

50. 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
diastemas
Attrition
occlusal trauma
temporalis and masseter