Crown principles

Question 1

Retention form?

Answer 1

Resists dislodgment along path of placement
Total surface area + luting agent

Question 2

Resistance form?

Answer 2

Resist dislodgment along axis other than its path of placement
Wall height, base width, taper

Question 3

Goodacre rules?

Answer 3

TOC 10-20
3mm incisors, canines, premolars
4mm molars
0.4 prep height to BL width
Corners
Auxillary