Extra Lectures

Question 1

Canine Guided Occlusion:
# Lateral excursive guidance is provided by the \_\_\_\_ on the working side

Answer 1

canine

Question 2

Group function/Group guidance:
# Lateral excursive guidance is provided by the \_\_\_\_ on the working side, \_\_\_\_ and possibly \_\_\_\_

Answer 2

canine
premolar(s)
molar(s)

Question 3

Interferences
! Maxillary Quadrant

Prevent Interferences (unwanted contacts) in Excursive Movements:
“ Working Interference:
• Premature contact on the working side in
lateral excursion
• Between ____ Supporting cusp FOAs and ____ guiding inclines

Answer 3

mandibular

maxillary

Question 4

Interferences
! Maxillary Quadrant

Prevent Interferences (unwanted contacts) in Excursive Movements:
“ Non Working Interference:
• Premature contact on the non working side
in ____ excursion
• Between ____ of the Mandibular and Maxillary ____
• ____ desired guidance contact on the the working side

Answer 4

lateral
inner inclines
supporting cusps
prevents

Question 5

Interferences
! Maxillary Quadrant

Prevent Interferences (unwanted contacts) in Excursive Movements:
“ Cross Tooth Interference:
• Premature contact on the ____ side in
lateral excursion
• Between ____ of the Mandibular ____ cusp and Maxillary ____

Answer 5

working
inner inclines
non-supporting cusp
supporting cusp FOA

Question 6

Interferences – Review:
!  Working Side: " 
Working Interference
• Mand \_\_\_\_ and Max \_\_\_\_
" Cross Tooth Interference: • Mandibular \_\_\_\_/Max \_\_\_\_

! Non Working Side:
“ Non Working Interference
• ____

Answer 6

supporting cusp FOA
non-supporting cusp guiding inclines

non-supporting cusp
supporting cusp FOA

inner inclines supporting cusps

Question 7

Anatomy of Carbide Bur

• Rotates ____

Answer 7

counterclockwise

Question 8

Occlusal Adjustment - Purpose

Purpose:
1. To establish a stable intercuspal position at an acceptable ____.

2. To eliminate ____ in excursive movements
   Example: worn dentition
3. To reduce ____ forces
   Contacts that are “off axis” can cause the teeth to become loose or accelerate bone loss

4. To create a more favorable:
  \_\_\_\_   
Curve of Wilson   
\_\_\_\_
  Aesthetic appearance

5. To treat occlusal pathology
   “Occlusal trauma” Example: ____

Answer 8

VDO/OVD

interferences

horizontal excursive

curve of spee

occlusal table

fremitis

Question 9

Occlusal Adjustment

3 Stages:

1st: Establish stable, uniform ____
2nd: Define ____
3rd: Confirm freedom of ____

Answer 9

occlusion
FOAs
mandibular movement

Question 10

Stage I: Where to grind:

Adjust ____ and mandibular ____ only

Answer 10

supporting cusps

anterior FOAs

Question 11

Stage I - completed

• No ____ in MIC
• landmarks correct
• acceptable ____
• ____ in readiness

Answer 11

centric slip
VDO
FOA’s

Question 12

Stage II: Where to grind:

Adjust ____ areas only

Answer 12

FOA

Question 13

Selective Grinding - Stage III

Working interferences:
Working side
Mand ____ and the MAXILLARY ____.
The contact interferes with the excursive movement

Answer 13

FOA, supporting cusp

guiding incline, non-supporting cusp

Question 14

Selective Grinding - Stage III

Non Working interferences:
Non-working side
____ OF THE MAXILLARY and MANDIBULAR ____ CUSPS
Prevents desired tooth contact on the ____.

Answer 14

inner inclines
supporting
working side

Question 15

Selective Grinding - Stage III

Cross Tooth interferences:
Working side between the MAXILLARY ____ and the MANDIBULAR ____.

Answer 15

FOA, supporting cusp

lingual inner incline, non-supporting cusp

Question 16

Selective Grinding

Stage III: Where to Grind:
Adjust ____ of cusps only

Answer 16

inner inclines

Question 17

IMPRESSION materials play a vital part in the success of everyday dental procedures
The ideal impression material should be easy to handle and mix
It should have either a ____ or ____ consistency when placed in the mouth
It should be ____, due to the moist environment of the mouth

Answer 17

fluid
plastic
hydrophilic

Question 18

Ideal impression materials should also:
Have a degree of ____ when set
Will help the impression record small undercuts without distortion

The set material should be ____
Not undergo any dimensional changes during
reasonable periods of storage
Time between procedure and pouring of the model

Answer 18

elasticity

stable

Question 19

Impression

Ideal impression materials should also:
Be ____
Taste ____
Both look and smell reasonably nice
Should be compatible with appropriate ____ solutions.

Answer 19

non-toxic
pleasant
disinfecting

Question 20

Impression
Distortions in the impression can occur when materials with high ____ are used
For this reason, ____ trays are recommended

Answer 20

flexibility

rigid

Question 21

Impression Material
Hydrocolloids:

“____: A mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance”

“____”: Solid powder particles of a diameter of few hundred are suspended in a liquid.

Answer 21

colloid

hydrocolloid

Question 22

Impression Material
Hydrocolloids:
A ____ process

Involves the transition of a system from a liquid
(the colloidal ____) into a solid (the ____) phase.

Answer 22

sol-gel
sol
gel

Question 23

Impression Material
Hydrocolloids:
Can be converted to a completely solid “gel” by a chemical reaction
= ____ hydrocolloid

Can be converted to a completely solid “gel” by a reduction in temperature (cooling) and back to a liquid “sol” by increase in temperature (heating)
= ____ hydrocolloid

Both these kinds of hydrocolloids are used as impression materials in restorative dentistr

Answer 23

irreversible

reversible

Question 24

Impression Material
Irreversible Hydrocolloids:
Alginate (ours: “Cavex” brand)
Is excellent for ____ – “diagnostic models
Used for many procedures
This material is not accurate enough to be used for a ____ in most cases

Answer 24

study models

definitive (final) impression