When a patient dies, a bill should be sent to the estate of the ________

What is the name of the opening created in the outer tunic for insertion of the infusion cannula for excision of vitreous?

a. dacryocystorhinostomy b. iridotomy c. sclerotomy d. vitrectomy

Primary crowns have less _________________ than permanent teeth.

Fill in the blank(s) with the appropriate word(s).