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. Occlusal forces will accelerate the rate of perio destruction and result in CT attachment loss in the presence of preexisting inflammation
codestructive theory
Centric occlusion is also called
labialversion or buccoversion
normal curve of spee

2. Maxillary overlap mandibular; whole arch
infraversion
traumatic overbite
centric occlusion
horizontal overlap

3. Tongue thrusting; thumb sucking - pacifiers
Maxillary posterior teeth vertical alignment
causes of open bite
conditions that occur in class II - div I
occlusal erosion

4. Mb cusp of max 1st molar-buccal groove of mand 1st molar
centric occlusion - centric relation - protrusive and lateral movements
molar relationship
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class III - classificaiton

5. Anterior teeth do not occlude - or remain open - while posterior teeth may have a normal occlusion
overjet
protrusive occlusion
Open bite
class II division I occlusion

6. Radiographically - the PDL space is wider at the coronal third of the root
excessive occlusal force
centric occlusion - centric relation - protrusive and lateral movements
crestal funneling
curve of spee

7. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class II - div I
conditions that occur in class III
Overjet
Leeway space

8. Associated with performance; all contacts during function of the oral cavity
From a frontal view - anterior teeth lean ___
torsoversion
physiologic occlusion
functional occlusion

9. Mandibular molars more distal than maxillary molars
distal step
labialversion or buccoversion
moderate overbite
Occlusion can be affected by

10. Tongue thrust or thumb sucking can cause
centric occlusion
pathologic occlusion
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
class II division I occlusion

11. Aquired centric occlusion - habitual occlusion - convienience occlusion - or intercuspal position
secondary occlusal trauma
Centric occlusion is also called
anterior crossbite
centric relation

12. Class III (mal)occlusion of permanent teeth
If the condyles continue to grow - extreme mesial step will turn into ___
class II - div 1
infraversion
conditions that occur in class II - div I

13. Cusps of maxillary teeth directly over cusps of mandibular teeth
vertical overlap
Edge to edge bite occurs when
secondary occlusal trauma
If the condyles continue to grow - extreme mesial step will turn into ___

14. What is not affected by occ trauma
leeway spaces
gingiva
infraversion
occlusion pattern

15. Teeth that are in func when the mandible moves in lateral or protrusive excursions or mvmts
functional occlusion
Mandibular posterior teeth vertical alignment
crossbite
Nonworking side

16. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
class I
occlusal erosion
traumatogenic occlusion
hypercementosis

17. Survival of the dentition despite its deviation from a preconceived hypothetical normal
class I
physiologic occlusion
tooth mobility
overjet

18. Can be caused by forces of malocclusion - teeth can become loose - periodontal disease may develop(alveolar bone loss)
How the diastemas are closed up(including primates spaces)
Misalignment of teeth
Intercuspation
class II - div 2

19. Anterior or posterior; bilateral or unitlateral - anterior more common
How the diastemas are closed up(including primates spaces)
open bite
Protrusion
primate spaces

20. 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
Overbit
An ideal curve of spee would be
anterior teeth
physiologic occlusion

21. The permanent molars erupt posterior to the primary teeth and push them all mesially
parafunctional contacts
horizontal overlap
How the diastemas are closed up(including primates spaces)
curve of spee

22. Buck teeth are common and are considered
class I
class II malocclusion
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
Working side

23. Most retruded position of the mandible in relation to the maxilla From which lateral mvmts of the jaw can be made
centric relation
mesial step
functional contacts
Curve of Spee

24. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
pathologic occlusion
conditions that occur in class I malocclusion
occlusal erosion
overbite

25. After periodontal sugery - mobility will ________
Overjet is a ___ measurement
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
decrease over time
openbite

26. Contact between maxillary incisors does not line up with contact of mandibular incisors
class III
posterior contact
Midline deviation
Glickman 1963

27. Posterior; no horizontal overlap
How the diastemas are closed up(including primates spaces)
end to end
codestructive theory
Intercuspation

28. Max canine occludes with mand. canine and mand. 1st premolar.
mesial step
centric occlusion - centric relation - protrusive and lateral movements
canine relationship
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

29. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Leeway space
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 1
occlusal trauma

30. Maxillary anterior teeth stick out labially from tongue thrusting
fremitus
intercuspation
Protrusion
premature occlusal contact

31. ____ is not a sign of occl trauma
occlusal erosion
causes of primary occlusal trauma
vertical overlap
Underjet

32. Middle 3rd
crestal funneling
Leeway space
class II division I occlusion
moderate overbite

33. Maxillary incisors are are lingual to mandibular incisors
Underjet
vertical overlap
linguoversion
class III - classificaiton

34. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
excessive occlusal force
tooth mobility
selective grinding or occlusal equilibration
malocclusion

35. Tooth positioned more lingual
primate spaces
drifted mesial
linguoversion
fremitus

36. Hereditary - Tongue - Intercuspation of teeth - Alignment of previously erupted teeth affects alignment of successive teeth
conditions that occur in class II - div 2
posterior contact
traumatogenic occlusion
Occlusion can be affected by

37. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
hypercementosis
Nonworking side
Mandibular posterior teeth vertical alignment
divisions of parafunctional contacts

38. Widening of the PDL in areas under pressure results due to
occlusal trauma
osteoclast resorption
curve of wilson
infraversion

39. Maxillary - Mandibular - Facial
crestal funneling
Edge to edge bite occurs when
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
Misalignment of teeth

40. Tooth positioned more facial
decrease over time
intercuspation
Protrusion
labialversion or buccoversion

41. 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
left working movement
Unilateral crossbite occurs when
class II malocclusion
hawley appliance

42. Horizontal
crossbite
Overjet is a ___ measurement
end to end
infraversion

43. Need tooth to tooth contact on both working and non working sides to func effectively
How the diastemas are closed up(including primates spaces)
Dentures
Misalignment of teeth
divisions of parafunctional contacts

44. The tooth has insufficient bone support and normal chewing and swallowing forces are excessive - causing injury to the attachment appartatus
secondary occlusal trauma
centric relation
Curve of Spee
Overbite is a ___ measurement

45. Vibrational mvmt of a tooth under occ function
fremitus
Attrition
premature occlusal contact
tooth mobility

46. Excessive occ force with adequate bone support =
open bite
centric relation
Crossbite
primary occlusal trauma

47. Any deviation from the ideal or normal occl. includes crowding - malpositioned or tipped teeth
malocclusion
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
conditions that occur in class III
late curve of spee

48. Prognathic profile
hypercementosis
class III
conditions that occur in class I malocclusion
underjet

49. A continuation of the spee of to extend through the condyle
centric relation
An ideal curve of spee would be
Glickman 1963
occlusion

50. #7 - 26 - 27
curve of wilson
From a frontal view - anterior teeth lean ___
class I
crossbite