week 2: posterior metal crown

Question 1

what is the metal occlusal surface reduction for a FVC

Answer 1

1mm non functional cusp

1.5mm functional cusp

Question 2

what is the metal occlusal surface reduction for metal + porcelain

Answer 2

1.5mm non functional cusp

2mm functional cusp

Question 3

what is the axial reduction for a posterior metal crown

Answer 3

1. 2mm in total
2. 5mm metal structure
3. 2mm porcelain
4. 5mm aesthetic porcelain

Question 4

what might be the issue if there is too much thickness

Answer 4

too bulbous in shape and will risk aesthetics and may increase the likelihood of gingival inflammation

Question 5

what are the instruments needed

Answer 5

Shoulder bur- which has a 6 degree taper, and a flat cutting end with a diameter of 1mm
Packer- the diameter of the end of the small packer is 1.5 mm
Silicone putty