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  Indian J Med Microbiol
 

Figure 1: Sequence of fragment removal in case 1. (a) Intraoral periapical showing separated instrument in palatal canal of maxillary first premolar. (b) Ultrasonic tip ET25 used to trephine dentine around separated fragment. (c) Separated instrument retrieved. (d) Intraoral periapical showing fractured instrument removed from palatal canal. (e) Master cone intraoral periapical. (f) Intraoral periapical showing obturated maxillary first premolar

Figure 1: Sequence of fragment removal in case 1. (a) Intraoral periapical showing separated instrument in palatal canal of maxillary first premolar. (b) Ultrasonic tip ET25 used to trephine dentine around separated fragment. (c) Separated instrument retrieved. (d) Intraoral periapical showing fractured instrument removed from palatal canal. (e) Master cone intraoral periapical. (f) Intraoral periapical showing obturated maxillary first premolar