Explain why a different type of matrix system is used with primary teeth. Which additional supplies would you require to set up this system?  What is a coronal polish? What is the difference between a...

Explain why a different type of matrix system is used with primary teeth. Which additional supplies would you require to set up this system?  What is a coronal polish? What is the difference between a coronal polish and an oral prophylaxis? What is the purpose of selective polishing? What is an extrinsic stain?