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The fracture of an instrument is a recognized complication in endodontics. Several factors must however be taken into account to evaluate the prognosis of the tooth in this situation. The objective of the endodontic treatment with (or) without a fractured instrument remains the same, namely to disinfect the root canal and prevent its recontamination. The time at which the file fracture occurred during treatment and the degree of canal infection must be considered when determining the potential effect on treatment outcome. Patients should be informed about an instrument fracturing in the tooth...

Developmental anomalies of the teeth and jaws require careful examination and treatment planning. Where one anomaly is present, clinicians should suspect that other anomalies may also be present. Developmental dental anomalies show variations and no two anomalies of the same types are alike. Hence, knowledge of various criteria which have been put forward for the identification and classification of the different anomalies is essential to diagnose the condition and perform appropriate treatment.