Endodontic Treatment and Restoration of a Mandibular First Premolar Type IV Wiene’s Root Canal Configuration with IPS E.Max CAD Technology: A Case Report

This case report describes an endodontic treatment of a mandibular first premolar with type IV root canal.A 28-year-old male patient reported pain in left mandibular first premolar.Clinical examination showed a large carious lesion with pulp exposure.Radiograph showed no periapical change with intact periodontal ligament space.Mandibular first premolars usually have one canal.The mandibular first premolar may present large number of anatomic vibrations.The clinician should be aware of the configuration of the pulp system.This case presents the diagnosis and clinical management of a mandibular first premolar with two distinct canals in the apical third of root (Type IV Wiene's canal configuration), drawing particular attention to tactile examination of all canal walls and preparation with wave.onegold reciprocating system then obturating it with single cone and AH Plus sealer and finally restored with fiber post and IPS E.Max Cad/Cam technology.