Phases of the endodontic treatment Diagnosis Consideration Removal of carious dentin,old fillings, built up the clinical crown or reduction of cusps Local anaesthesia Dry operating field Access to the pulp chamber Root canal shaping Root canal cleaning Root canal filling Xray Postendodontic treatment 2 Access - opening of the pulp chamber Round Burs lenka.roubalikova@tiscali.cz 9 Preparation of the endodontic cavity -facilitating form Dia trepan Instruments with safe ended tips), Acc. to Batt Fissure burs lenka.roubalikova@tiscali.cz lenka.roubalikova@tiscali.cz 11 Root canal access ii II11 b II t Endodontic probes Microopeners Ultrasound lenka.roubalikova@tiscali.cz 12 Opening of the root canal orifices lenka.roubalikova@tiscali.cz Peeso-Largo burs 13 lenka.roubalikova@tiscali.cz 14 Gates - Glidden: lenka.roubalikova@tiscali.cz 15 CZ22 Gates — Glidden: r Tupá, neaktivní vodící špička Naprogramované místo zlomu ___________ lenka.roubalikova@tiscali. CZ23 X-GATES Velikost hrotu : / Gates 1 / Místo zlomu Maximální průměr - Gates 4 Dřík: Gates 3 Nalezení a rozšíření vstupu do kořenových kanálků Extraction of the content of the root canal - exstirpation Pulpextraktor - made of soft wire lenka.roubalikova@tiscali.cz > Rotation and exstirpation! 3 Canal shaping > Reamers > Files lenka.roubalikova@tiscali.cz lenka.roubalikova@tiscali.cz Reamer Cuting edges Space for chips Clockwise rotation lenka.roubalikova@tiscali.cz Files 1. K-file 2. K-flexofile, flexicut, flex-R - file 3. K-flex 4. H-file, S-file lenka.roubalikova@tiscali.cz K file K-file Filing and (or) rotation Straight canals 45° - 90°) lenka.roubalikova@tiscali.cz ISO norma > Diameter > Length of the cutting part > Taper lenka.roubalikova@tiscali.cz 06 pink 08 gray 10 purple 15 white 45 white 20 yellow 50 yellow 25 red 55 red lenka.roubalikova@tiscali.cz 42 Taper 4% 2 0,06mm na 1 mm 45 Instrumentation Rotace tam a zpět — 45° K - reamer K- file Instrumentation Rotation K - reamer K- file lenka.roubalikova@tiscali.cz Instrumentation Filing H- file K - file lenka.roubalikova@tiscali.cz Instrumentation Ttechnika balancované síly — nástroj o 1 číslo větší než apikální velikost K- flexofile K - file (?) 180-270c lenka.roubalikova@tiscali.cz 49 Reaming Simple clockwise rotation lenka.roubalikova@tiscali.cz 50 lenka.roubalikova@tiscali.cz 51 Circumferential filing Introduction of th root canal instrument root canal. Pull motion - action. Staying in contact with the root canal wall Rotate without any action Go in and pull with action. lenka.roubalikova@tiscali.cz 52 Balance forced technique Go into the root canal rotating clockwise 90-180° Until the contact Slight pressure and rotate Contraclockwise 270° Pull out the instrument rotating clockwise again lenka.roubalikova@tiscali.cz 53 lenka.roubalikova@tiscali.cz \ > \ 54 /