Lab Notes

Question 1

When a dentist needs to measure the relationship between maxillary arch the the TMJ - what will be requested?

Answer 1

Face Bow Registration

Question 2

What mechanical device will be used to hold the maxilla and mandible in position and mimic patient occlusal forces / bite?

Answer 2

Articulator

Question 3

What would be requested from the dental lab when patient would like to see what the final restorations look like? Tip - consier when “smile line” anterior sextants are being reconstructed.

Answer 3

Diagnostic wax up

Question 4

When may a core build up be required?

Answer 4

When the tooth is vital
Composite resin or reinforced glass ionomer may be used

Question 5

What type of tooth are retentive pins placed on?

Answer 5

placed on vital tooth
prefabricated
several types available

Question 6

Post & Core Build Up - 2 types available

Answer 6

-prefabricated post
-cast post and core

-post or post and core is cemented deep into the canal
-core build up material is placed

Question 7

Bonding Systems

Answer 7

Various types of bonding systems are available to complete build up’s, posts, core placements.

Question 8

PVS Bite Registration Mixing Methods:

Answer 8

1. Automix - extruder gun with tip
   -base and catalyst
   -use for full arch, sextant or quadrant
2. Manual mix
   -base and catalyst - hand mixed like putting
   use for full arch, sextant or quadrant