NEVADA DIVE FLAG LAW: Remember the State of Nevada requires all divers to remain within 100 feet of a dive flag any time they are in the water snorkeling or scuba diving. This includes dives that originate within swim areas but proceed outside the marked swim area even if the diver remains submerged.
At the second visit, your dentist will remove the temporary crown and check the fit and color of the permanent crown. If everything is acceptable, a local anesthetic will be used to numb the tooth and the new crown is permanently cemented in place.
It also seems to have antimicrobial properties and helps prevent teeth from experiencing recurrent decay prior to the placement of a permanent restoration. Other types of 'medicated' fillings that dentists use are Glass ionomer based, since they tend to release fluoride over time.