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=General Guidelines= ***The exception to the above rules is maxillary molars*** = =
 * 1) Know your morphology
 * 2) Law of Centrality - The floor of the pulp chamber is always located in the center of the tooth at the level of the CEJ
 * 3) Law of Concentricity - The walls of the pulp chamber are always concentric to the external surface of the tooth at the level of the CEJ
 * 4) Law of Symmetry - If a line is drawn M-D across the center of the floor of the chamber, the orifices on either side are equidistant from this line

= Rules =
 * 1) The dentinal floor of the pulp chamber is always darker than the surrounding dentin
 * 2) The orifices of the canals are always located at the junction of the walls and the floor of the pulp chambers