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. Incisal 3rd
normal overbite
torsoversion
Open bite
crestal funneling

2. Congenitally missing teeth - Impacted teeth & size and shape of muscle and bone
normal overbite
physiologic occlusion
Hereditary factors include
posterior contact

3. Individual teeth from each arch can be involved in ________________ malocclusion
selective grinding or occlusal equilibration
occlusal erosion
inter-arch
normal overbite

4. Vertical overlapping
centric occlusion
openbite
overbite
normal overbite

5. Spaces between two teeth
distal step
diastemas
Mandibular posterior teeth vertical alignment
underjet

6. Lateral mvmt results in contact btwn the max and mand canines
posterior contact
canine guidance or protection
Centric(habitual) occlusion
selective grinding or occlusal equilibration

7. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
excessive occlusal force
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
tooth mobility
primate spaces

8. Horizontal distance of anterior teeth in crossbite
posterior crossbite
excessive occlusal force
underjet
labialversion or buccoversion

9. 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
underjet
premature occlusal contact
Glickman 1963
Overbit

10. Occlusal guard =
hawley appliance
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
conditions that occur in class II - div 2
splinting

11. 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
Glickman 1963
dynamic occlusion
splinting
hypercementosis

12. Mb cusp of max 1st molar-buccal groove of mand 1st molar
Abfraction
molar relationship
An ideal curve of spee would be
Centric occlusion is also called

13. Measurement of horizontal overlap w/ probe
curve of spee
physiologic occlusion
overjet
Midline deviation

14. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
Centric occlusion is also called
Lateral excursion
secondary occlusal trauma
inflammation

15. 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
fremitus
class III - classificaiton
traumatogenic occlusion
class II malocclusion

16. Above occlusal plane
codestructive theory
osteoclast resorption
supraversion
normal curve of spee

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

18. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Curve of Spee
class III
infraversion
divisions of parafunctional contacts

19. What is not affected by occ trauma
class II malocclusion
Intercuspation
gingiva
class II - div 2

20. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
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
Hereditary factors include
Underjet
leeway spaces

21. When one tooth hits before all others when closing teeth together(may cause TMJ problems)
If the condyles continue to grow - extreme mesial step will turn into ___
left working movement
Premature contact
Retrusion

22. Rotated or twisted; rotated mesial or distal
occlusal trauma
functional occlusion
torsoversion
anterior teeth

23. Abnormal contacts; occlusal habits - and neuroses
parafunctional contacts
Crossbite
Centric relation
open bite

24. Class III (mal)occlusion of permanent teeth
occlusal trauma
If the condyles continue to grow - extreme mesial step will turn into ___
infraversion
supraversion

25. 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
primate spaces
Nonworking side
class II - div 2
centric occlusion - centric relation - protrusive and lateral movements

26. Tooth extracted
premature curve of spee
drifted mesial
Centric(habitual) occlusion
intercuspation

27. Mesially - Labially
left working movement
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
causes of primary occlusal trauma
physiologic occlusion

28. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
An ideal curve of spee would be
Curve of Spee
normal overbite
group function

29. Max canine occludes with mand. canine and mand. 1st premolar.
Overbite is a ___ measurement
canine relationship
If the condyles continue to grow - extreme mesial step will turn into ___
Occlusion can be affected by

30. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
premature occlusal contact
end to end
functional occlusion
An ideal curve of spee would be

31. Starts closer to the posterior of the 1st molar
other names for centric occlusion
Condyles of the mandible continue grow ___than the maxilla
late curve of spee
temporalis and masseter

32. Muscles that work the jaw; may become sore due to occ trauma
Overjet is a ___ measurement
temporalis and masseter
causes of primary occlusal trauma
conditions that occur in class I malocclusion

33. Mandible moves to the right or left
horizontal overlap
Lateral excursion
conditions that occur in class III
secondary occlusal trauma

34. Usually indicative of moderate to sever perio and secondary occ trauma
pathologic tooth migration
Retrusion
malocclusion
late curve of spee

35. Tongue thrust or thumb sucking can cause
temporalis and masseter
openbite
class II division I occlusion
Attrition

36. 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
class II - div 1
linguoversion
curve of monson
conditions that occur in class II - div I

37. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
causes of primary occlusal trauma
physiologic occlusion
How the diastemas are closed up(including primates spaces)
Abfraction

38. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
left working movement
torsoversion
selective grinding or occlusal equilibration
curve of wilson

39. If the mandible moves to the left - the mvmt is known as a left working movement
class III
left working movement
Centric(habitual) occlusion
class II division I occlusion

40. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
primary occlusal trauma
underjet
Centric occlusion is also called
premature curve of spee

41. Posterior; no horizontal overlap
end to end
gingiva
selective grinding or occlusal equilibration
Condyles of the mandible continue grow ___than the maxilla

42. Relationship of the teeth in opposite arches; static position
group function
centric occlusion
canine relationship
Unilateral crossbite occurs when

43. Vibrational mvmt of a tooth under occ function
pathologic occlusion
intercuspation
fremitus
normal overbite

44. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
osteoclast resorption
Working side
Acromegaly
crestal funneling

45. 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
From a frontal view - anterior teeth lean ___
traumatic overbite
Overjet
gingiva

46. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
diastemas
normal overbite
Overbit

47. Below occlusal plane
functional occlusion
infraversion
traumatic overbite
Maxillary posterior teeth vertical alignment

48. When no teeth are contacting on this side
interdigitation
Glickman 1963
Nonworking side
selective grinding or occlusal equilibration

49. Maximal intercuspation or contact of the max and mand teeth
centric occlusion
labialversion or buccoversion
group function
hypercementosis

50. Mandibular molars and maxillary molars are even
class III
functional occlusion
class II division I occlusion
flush terminal plane