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étude! mettent! en! évidence! un! gain! de! temps! et! une! sécurité! d'utilisation! pour! l'omnipraticien! tout ,
in!order!to!be!critical!about!the!both!of!them.!Thirty!extracted!teeth!were!treated! and! retreated! using! two! different! protocols! :! Group! A! using! GPXF®! for! removal! and! Protaper®!for!canal!preparation,!and!group!B!where!Protaper®!was!used!for!removal! and! canal! preparation.! Results! of! the! study! show! time! saving! as! well! as! ensuring! security! of! use! to! the! practitioner! ,