Considerations for Operative and Class II Amalgam Prep Reveiw

Question 1

When Isolating a Class II, which teeth around them need to be isolated?

Answer 1

Class II= one tooth posterior, two teeth anterior

Question 2

What is the optimal isolating technique in operative?

Answer 2

Rubber dam

Question 3

(Radiographic diagnosis) caries extends only to first third of dentin Treatment planning consideration: restore surgically or attempt to remineralize

Answer 3

D1 (Dentin-first layer):

Question 4

(Radiographic diagnosis)): caries extends to middle third of dentinTreatment planning: restore surgically

Answer 4

D2 (Dentin-second layer

Question 5

If there is less mercury, there is ____ creep

Answer 5

Less creep

Question 6

If amalgam is placed wet, it ______

Answer 6

Expands

Question 7

Which tooth?
◦Exception to ideal
◦Lingual cusp is weak
◦Facial pulp horn is high
◦Pulpal and gingival walls slant buccal-lingually
◦Do NOT cross transverse ridge
◦Prepare box first to help keep prep small
◦Pulpal floor of prep is slanted
◦Do not use retention grooves

Answer 7

Mandibular first premolar

Question 8

For max molars, should you cross the oblique ridge?

Answer 8

No; only if it is less than 0.5mm thick

Question 9

◦DO NOT DIVERGE facial proximal wall when preparing MO

◦Keep contact nearly intact to preserve esthetics

Answer 9

Maxillary first PM

Question 10

What can you do if 2 class 2 preps meet? 2 things

Answer 10

Do new MOD or dovetail into existing Class 2 restoration

Question 11

Class V joining a Class II. Remove caries and restore. This can also be two new lesions that you are treating- Which should you restore first?

Answer 11

RESTORE CLASS II FIRST, then Class V

Question 12

Preparations deeper than normal with LESS THAN 1.0mm dentin between the pulp and the restorative material= use ________

Answer 12

RMGI liner ◦Resin Modified Glass Ionomer

Question 13

Preparations with LESS THAN 0.5mm of dentin between the pulp and restorative material= use _________

Answer 13

thin layer of calcium hydroxide followed by a later of RMGI

Question 14

Preparations with a direct pulp exposure on vital pulp use ____________

Answer 14

0.5mm thick calcium hydroxide layer followed by layer of RMGI

Question 15

◦Preparations ideal, OR deeper than normal, BUT with 1.0-2.0mm dentin between pulp and restorative material use ________

Answer 15

= no sealer nor liner is necessary