BMP TECHNIQUE
Reaming action- round canal shape
Filing action causes irregular canal shape
Widest diameter at canal opening & narrowest at the apex ie. dentino-cemental junc
BM PREP :-
PATENCY FILING – 10K file – Creating a gliding path first
INITIAL APICAL FILE- should get snug fit at the apex
MOLARS AND PMs – 10 K
INCISORS & CANINES - 25 K
MASTOR APICAL FILE- 3 consecutive files after IAF – till full working length
MOLARS -15, 20, 25K
INCISORS & CANINES - 30, 35, 40K
Recapitulation – Re-entering the canal using the smallest file after each file preparation- purpose-to clean the apical portion of any dentine scrapping that was not removed by irrigation – go beyond apex to avoid clogging of debris at apex – push file apically
Continue with hand files – START STEP-BACK AFTER MAF
1MM LESS FOLLOW STEP-BACK – 45, 50
Continue with rotary – CROWN DOWN TECHNIQUE
MASTER CONE
CORESSPONDING TO MAF
MOLARS – 25 SIZE GP
INCISORS – 40 SIZE GP
