Laminate:
thin plastic or porcelain veneer produced in
a dental laboratory and then bonded to a tooth
Laughing gas:
nitrous
oxide; odorless inhalation agent that produces relative analgesic (sedation); reduces anxiety and creates a state of relaxation
Lesion:
injury of bodily tissue due to infection, trauma or neoplasm
Local anesthesia:
partial or complete elimination of pain sensation, in the immediate
vicinity
of its application or injection