Calcified Canal and Negotiation-A Review

TLDR: Pulp canal obliteration occurs commonly following traumatic injuries to teeth and is characterized by the deposition of hard tissue within the root canal space and a yellow discolouration of the crown as mentioned in this paper.

Abstract: Pulp canal obliteration occurs commonly following traumatic injuries to teeth. Dental trauma to the permanent dentition can lead to clinical complications and its management may considerably challenge a practitioner. One such complication is Calcific Metamorphosis (CM) which can complicate entry in to the root canal system in the future due to difficulty in accessing the canal. It is the Calcific deposits of the pulp chamber that causes the darker hue, translucency loss and the yellowish appearance of the tooth's crown. Locating the canal and negotiating it to full working length may lead to iatrogenic errors such as fractured instrument and perforation. It is characterised by the deposition of hard tissue within the root canal space and a yellow discolouration of the crown. The affected teeth do not always react to sensibility tests for some time. Teeth undergoing pulpal obliteration are generally asymptomatic. The negotiation of small calcified canals is challenging.