when prevention fails

Question 1

principles of cavity preparation
what is convenience form?

Answer 1

Open up the tooth to gain access and then establish a form of cavity that allows instruments to enter into it for caries removal

Question 2

principles of cavity preparation
what is outline form?

Answer 2

As caries is removed the cavity may get bigger

Question 3

principles of cavity preparation
what is resistance form?

Answer 3

flat cavity base

Question 4

principles of cavity preparation
what is retention form?

Answer 4

shape of cavity that mechanically locks in a non-adhesive material so that it cant be withdrawn out of the cavity

Question 5

principles of cavity preparation
what is treatment of residual caries?

Answer 5

remove residual caries

Question 6

principles of cavity preparation
what is correction of enamel margins?

Answer 6

may trim back thin overhanging enamel that is susceptible to fracture

Question 7

principles of cavity preparation
what is cavity debridement?

Answer 7

removal of debris in the cavity using 3 in one (air and water)

Question 8

when removing caries why should the bur be large and rotating slowly?

Answer 8

a greater surface area which puts less pressure on the dentine therefore less likely to expose the dental pulp