Endodontic access cavity preparation is a critical step in root canal treatment, aiming to provide clear and efficient access to the pulp chamber and root canals for cleaning and shaping. Here's a summary of the process:Locating the Access Opening: The first step is to determine the correct location for the access opening, which is typically at the center of the tooth's crown. This can vary based on the tooth type (incisors, molars, etc.), with adjustments based on the specific anatomy.Removal of the Coronal Tissue: The dentist uses a dental drill to remove decayed tissue, fillings, and crown...