This document provides hints and tips for various steps of endodontic treatment: 1) Diagnosis involves determining if the issue is from poor oral hygiene or actual dental disease. 2) Anesthesia techniques include nerve blocks, palatal injections, and intraligamental or intralpulpal injections. 3) Access cavity preparation involves using a round bur, preserving anatomy, using dust motion, and mapping canal lines. 4) Canal negotiation starts with reamers and increasing file sizes gradually while irrigating and not forcing files in curved canals.