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. Rotated or twisted; rotated mesial or distal
Centric occlusion is also called
torsoversion
gingiva
labialversion or buccoversion

2. Vibrational mvmt of a tooth under occ function
Attrition
Lateral excursion
fremitus
posterior contact

3. Max. incisors lingual to mand. incisors; incorrect horizontal overlap
dynamic occlusion
anterior crossbite
flush terminal plane
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

4. What is not affected by occ trauma
premature curve of spee
Misalignment of teeth
overbite
gingiva

5. Survival of the dentition despite its deviation from a preconceived hypothetical normal
physiologic occlusion
causes of primary occlusal trauma
Overbit
Leeway space

6. Injury to the attachment apparatus (bone - PDL - and cementum) as a consequence of normal or excessive occ forces
mesial step
occlusal trauma
Glickman 1963
supraversion

7. Maximum interlocking of cusp
divisions of parafunctional contacts
leeway spaces
traumatic overbite
intercuspation

8. Contact between maxillary incisors does not line up with contact of mandibular incisors
Midline deviation
splinting
Unilateral crossbite occurs when
interdigitation

9. Difference between primary and secondary occ trauma
bone support
Leeway space
Midline deviation
gingiva

10. Cusps of maxillary teeth directly over cusps of mandibular teeth
An ideal curve of spee would be
occlusal trauma
Edge to edge bite occurs when
functional occlusion

11. A tooth that occludes with an opposing tooth before full closure is achieved in centric occlusion
premature occlusal contact
How the diastemas are closed up(including primates spaces)
Glickman 1963
tooth mobility

12. Functional occlusion
Unilateral crossbite occurs when
dynamic occlusion
Centric occlusion is also called
canine guidance or protection

13. Maxillary - Mandibular - Facial
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
normal overbite
protrusive occlusion
An ideal curve of spee would be

14. Anterior; no horizontal overlap
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
left working movement
pathologic tooth migration
edge to edge

15. High restoration - parafunctional habits - malpositioned tooth - periapical abcess - physical 'blow' - removable partial - ortho mvmt
Retrusion
horizontal overlap
causes of primary occlusal trauma
premature curve of spee

16. A continuation of the spee of to extend through the condyle
Hereditary factors include
Overjet
An ideal curve of spee would be
inter-arch

17. Any occl that produces forces that directly or indirectly cause injury to the attachment apparatus
traumatogenic occlusion
Bilateral crossbite occurs on...
vertical overlap
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs

18. Overclosure of the anterior teeth can cause trauma to the gingiva of the max teeth
labialversion or buccoversion
traumatic overbite
diastemas
selective grinding or occlusal equilibration

19. Maxillary-between canines and laterals - mandibular-between canines and 1st molars
From a frontal view - anterior teeth lean ___
primate spaces
Overbite is a ___ measurement
An ideal curve of spee would be

20. The side to which the mandible moves(chewing side)
centric relation
Unilateral crossbite occurs when
drifted mesial
Working side

21. If the mandible moves to the left - the mvmt is known as a left working movement
crestal funneling
gingiva
left working movement
normal curve of spee

22. Normal contacts between max. and mand. teeth; momentary contacts
diastemas
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
physiologic occlusion
functional contacts

23. Both sides
Bilateral crossbite occurs on...
Misalignment of teeth
Underjet
pathologic tooth migration

24. Individual teeth from each arch can be involved in ________________ malocclusion
crestal funneling
inter-arch
temporalis and masseter
severe overbite

25. Because the permanent premolars are narrower than the primary molars that they replace - this is what happens when the premolars erupt
Dentures
Leeway space
inter-arch
other names for centric occlusion

26. Laterally
supraversion
Intercuspation
From a frontal view - anterior teeth lean ___
divisions of parafunctional contacts

27. Buck teeth are common and are considered
physiologic occlusion
other names for centric occlusion
labialversion or buccoversion
class II malocclusion

28. Mesially - Labially
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___
crestal funneling
Working side
Underjet

29. Malposition - crowded anterior teeth - protruded or retruded max incisors - anterior/posterior crossbite - mesial drift
Midline deviation
conditions that occur in class I malocclusion
supraversion
An ideal curve of spee would be

30. Curved alignment of the occlusal plane when looking from a lateral view(distal to mesial)
conditions that occur in class II - div 2
fremitus
Curve of Spee
From lateral view - all teeth(except max.3rds) lean ___; anterior teeth lean ___

31. Tooth-tooth contacts; tooth-hard objects contacts; tooth-oral tissues contact
Working side
divisions of parafunctional contacts
crossbite
curve of wilson

32. 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
drifted mesial
normal curve of spee
functional occlusion

33. The permanent molars erupt posterior to the primary teeth and push them all mesially
torsoversion
inter-arch
How the diastemas are closed up(including primates spaces)
Nonworking side

34. Severe ging inflammation extending into CT attachment - loss of supporting alveolar bone - pregnancy - ortho mvmt - and surgical therapy - may all cause ______
edge to edge
tooth mobility
anterior crossbite
left working movement

35. Mand. retruded-one or more max. incisors retruded; max. laterals protruded-max centrals retruded; crowded max anterior teeth; deep overbite
conditions that occur in class II - div 2
posterior crossbite
selective grinding or occlusal equilibration
Retrusion

36. Deciduous molars and canines are wider than permanent premolars and canines; space saved during mesial drift of permanent molars
dynamic occlusion
leeway spaces
non working or balancing side
occlusion pattern

37. Later
centric relation
Crossbite
Condyles of the mandible continue grow ___than the maxilla
causes of primary occlusal trauma

38. Anterior crossbite; max/mand incisors-edge to edge occlusion; crowded mand. incisors
conditions that occur in class III
distal step
If the maxilla outgrows the mandible - a Class ___ of permanent teeth occurs
curve of wilson

39. Radiographically - the PDL space is wider at the coronal third of the root
Attrition
Malocclusion
crestal funneling
centric occlusion

40. Tooth positioned more lingual
overjet
Working side
linguoversion
mesial step

41. The relationship of the teeth in the mandibular arch to those in the maxillary arch as they are brought together
traumatic overbite
Curve of Wilson
occlusion
Malocclusion

42. Mand. retruded-max. incisors protruded; deep overbite; excessive overjet - abnormal muscle function - short mandible - short upper lip
class II division I occlusion
anterior crossbite
divisions of parafunctional contacts
conditions that occur in class II - div I

43. Starts around the mesial of the 1st molar
If the condyles continue to grow - extreme mesial step will turn into ___
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
normal curve of spee

44. Mandible moves to the right or left
Centric relation
occlusal trauma
molar relationship
Lateral excursion

45. Most common cause is when the maxilla does not grow in proportion to the mandible
Premature contact
Crossbite
osteoclast resorption
centric relation

46. Associated with performance; all contacts during function of the oral cavity
functional occlusion
occlusal trauma
traumatogenic occlusion
Abfraction

47. Excessive occ force with adequate bone support =
tooth mobility
causes of open bite
primary occlusal trauma
class II malocclusion

48. After periodontal sugery - mobility will ________
class II division I occlusion
decrease over time
Protrusion
posterior crossbite

49. Guidance for protrusive occ should be on the
Overjet is a ___ measurement
pathologic occlusion
primary occlusal trauma
anterior teeth

50. Lateral mvmt results in contacct of all posterior teeth
Mandibular posterior teeth vertical alignment
occlusal trauma
group function
class III - classificaiton