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FAST REVISION
Periodontics
The maxillary first premolar often has developmental grooves and flutings on the mesial surface that can complicate thorough root planing and make it more challenging to fully debride the root surface.
Dental Materials
The purpose of a thermal insulating base is to protect the pulp from temperature changes during the placement of a restoration.
Pharmacology
Dimercaprol (British antilewisite; BAL)
1. Poisoning by As, Hg, Au, Bi, Ni, Sb: it is administered i.m., 5 mg/kg stat, followed by 2-3 mg/kg every 4 – 8 hours for 2 days, then once or twice a day for 10 days. It is partly ox