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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. 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
Attrition
protrusive occlusion
Centric occlusion is also called
Unilateral crossbite occurs when

2. Growth hormone imbalance that causes the mandible to grow faster than the maxilla(all teeth are in crossbite)
overjet
splinting
Acromegaly
Midline deviation

3. Maxillary incisors are are lingual to mandibular incisors
Underjet
selective grinding or occlusal equilibration
Open bite
causes of open bite

4. Associated with performance; all contacts during function of the oral cavity
other names for centric occlusion
Underjet
functional occlusion
diastemas

5. Habitual - acquired - convenience - intercuspal & static
Glickman 1963
primary occlusal trauma
temporalis and masseter
other names for centric occlusion

6. Vibrational mvmt of a tooth under occ function
traumatic overbite
fremitus
class II malocclusion
underjet

7. Incisal 3rd
decrease over time
normal overbite
class I
centric occlusion

8. 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
late curve of spee
fremitus
class III - classificaiton
labialversion or buccoversion

9. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
diastemas
horizontal overlap
tooth mobility
Overjet is a ___ measurement

10. Usually indicative of moderate to sever perio and secondary occ trauma
moderate overbite
pathologic tooth migration
left working movement
Retrusion

11. Mandible moves to the right or left
hypercementosis
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
Lateral excursion
distal step

12. The permanent molars erupt posterior to the primary teeth and push them all mesially
Maxillary posterior teeth vertical alignment
malocclusion
Midline deviation
How the diastemas are closed up(including primates spaces)

13. Tooth positioned more lingual
leeway spaces
splinting
linguoversion
distal step

14. Starts around the mesial of the 1st molar
Bilateral crossbite occurs on...
centric relation
normal curve of spee
horizontal overlap

15. 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
causes of open bite
normal overbite
Retrusion
If the condyles continue to grow - extreme mesial step will turn into ___

16. Relationship of the teeth in opposite arches; static position
late curve of spee
centric occlusion
premature curve of spee
traumatic overbite

17. Most common cause is when the maxilla does not grow in proportion to the mandible
anterior crossbite
Working side
Crossbite
conditions that occur in class III

18. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
leeway spaces
malocclusion
occlusal trauma

19. Occlusal guard =
physiologic occlusion
inter-arch
infraversion
hawley appliance

20. Mb cusp of max 1st molar-buccal groove of mand 1st molar
molar relationship
normal overbite
mesial step
end to end

21. Crowns tipped lingually - roots tipped laterally
Mandibular posterior teeth vertical alignment
centric occlusion
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
causes of open bite

22. Muscles that work the jaw; may become sore due to occ trauma
centric relation
mesial step
Abfraction
temporalis and masseter

23. Relationship of the arches bone to bone;
Premature contact
occlusal trauma
drifted mesial
centric relation

24. Starts closer to the posterior of the 1st molar
late curve of spee
protrusive occlusion
traumatogenic occlusion
anterior crossbite

25. Class III (mal)occlusion of permanent teeth
physiologic occlusion
occlusal erosion
physiologic occlusion
If the condyles continue to grow - extreme mesial step will turn into ___

26. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Midline deviation
Protrusion
divisions of parafunctional contacts
canine guidance or protection

27. Both sides
hawley appliance
Open bite
Bilateral crossbite occurs on...
traumatogenic occlusion

28. Symptom free dentition that 'survives' or 'adapts' to a deviated occl
Bilateral crossbite occurs on...
left working movement
physiologic occlusion
class II - div 2

29. Tooth extracted
drifted mesial
posterior crossbite
Centric occlusion is also called
Protrusion

30. 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
class II - div 2
protrusive occlusion
selective grinding or occlusal equilibration
distal step

31. Mesognathic profile
overbite
intercuspation
class I
Overjet is a ___ measurement

32. Mandibular molars more distal than maxillary molars
interdigitation
severe overbite
distal step
linguoversion

33. Maximal intercuspation or contact of the max and mand teeth
conditions that occur in class III
parafunctional contacts
Leeway space
centric occlusion

34. Reshaping of the occ or incisal surfaces of teeth to create contacts btwn upper and lower dentition
selective grinding or occlusal equilibration
Nonworking side
premature curve of spee
Maxillary posterior teeth vertical alignment

35. During protrusive occ - ______ is considered undesirable
class III - classificaiton
osteoclast resorption
posterior contact
curve of monson

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
Condyles of the mandible continue grow ___than the maxilla
class II - div 1
horizontal overlap
class I

37. Later
hypercementosis
Condyles of the mandible continue grow ___than the maxilla
physiologic occlusion
centric occlusion

38. Mandibular molars and maxillary molars are even
dynamic occlusion
An ideal curve of spee would be
selective grinding or occlusal equilibration
flush terminal plane

39. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
Open bite
Dentures
inflammation
selective grinding or occlusal equilibration

40. Starts closer to premolars
left working movement
Mandibular posterior teeth vertical alignment
premature curve of spee
physiologic occlusion

41. Anterior or posterior; bilateral or unitlateral - anterior more common
class II - div 1
class III - classificaiton
occlusal trauma
open bite

42. Tongue thrust or thumb sucking can cause
class II division I occlusion
splinting
canine relationship
From a frontal view - anterior teeth lean ___

43. Mesially - Labially
parafunctional contacts
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
class I
diastemas

44. Maxillary - Mandibular - Facial
anterior teeth
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
class II - div 2
Lateral excursion

45. Survival of the dentition despite its deviation from a preconceived hypothetical normal
Maxillary posterior teeth vertical alignment
class I
Misalignment of teeth
physiologic occlusion

46. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
hypercementosis
Bilateral crossbite occurs on...
posterior crossbite
occlusion

47. II (mal)occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
centric occlusion
posterior crossbite
class II malocclusion

48. Slight buccal inclination of crown - lingual inclination of root
severe overbite
Maxillary posterior teeth vertical alignment
hawley appliance
Open bite

49. If the mandible moves to the left - the mvmt is known as a left working movement
Misalignment of teeth
Bilateral crossbite occurs on...
selective grinding or occlusal equilibration
left working movement

50. Introduced the concept of codestruction
Mandibular posterior teeth vertical alignment
Glickman 1963
moderate overbite
Curve of Wilson