Case Study Number 318
Endodontic retreatment on lower right first premolar (Vertucci’s Type V canal configuration) Pre operative X ray film shows:
1- First separated instrument in lingual canal
2-Second separated instrument in vestibular canal
Second X ray film (post operative from first session) shows the other fragment yet to be removed with the help of a surgical operative microscope. Provisional material obturation left in canal is called Clip from Voco. Not very radio opaque but still is an excellent provisional material easy to insert and remove. Second appointment post operative showing second fragment removal and Ca (OH)2 with barium sulfate dressing in canals. Acrylic crown with radicular retention has been cemented with Temp Bond. Fourth X ray shows final root canal filling with casted post for try in at third appointment. Last X Ray shows a 7 years post operative outcome. Sealer extrusion into the periapex vanished, tooth is asymptomatic and has been a partial denture keytooth since then.