define the working length
the working length is the distance from a coronal reference point to the point at which canal preparation and obturation should terminate. – we want it to terminate at the minor constrictor- reference point needs to be consistent every time, replicated at every visit. be sure it is not reduced in size bc its cracked or other reasons.
The working length is a term used in dentistry that refers to the distance between the coronal reference point and the apical constriction in a root canal treatment. The coronal reference point is defined as the point at which the root canal preparation begins, while the apical constriction is the narrowest point in the root canal. The working length is the precise distance between these two points that must be determined for optimal cleaning and shaping of the root canal during treatment. Determining the working length accurately is critical in order to ensure complete removal of the infected or diseased pulp tissue and to prevent underfilling or overfilling of the canal with filling material.
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