Premium
Comparison of ProTaper and M two retreatment systems in the removal of resin‐based root canal obturation materials during retreatment
Author(s) -
İriboz Emre,
Sazak Öveçoğlu Hesna
Publication year - 2014
Publication title -
australian endodontic journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.703
H-Index - 34
eISSN - 1747-4477
pISSN - 1329-1947
DOI - 10.1111/aej.12011
Subject(s) - gutta percha , root canal , dentistry , root canal filling materials , endodontic retreatment , materials science , orthodontics , medicine
To evaluate the effectiveness of the ProTaper and M two retreatment systems for removal of resin‐based obturation techniques during retreatment. A total of 160 maxillary anterior teeth were enlarged to size 30 using ProTape r and M two rotary instruments. Teeth were randomly divided into eight groups. R esilon + E piphany, gutta‐percha + E piphany, gutta‐percha + AH P lus and gutta‐percha + K err P ulp C anal S ealer ( PCS ) combinations were used for obturation. ProTaper and M two retreatment files were used for removal of root canal treatments. After clearing the roots, the teeth were split vertically into halves, and the cleanliness of the canal walls was determined by scanning electron microscopy. Specimens obturated with gutta‐percha and K err PCS displayed significantly more remnant obturation material than did specimens filled with resin‐based obturation materials. Teeth prepared with M two instruments contained significantly more remnant filling material than did teeth prepared with ProTaper. ProTaper files were significantly faster than M two instruments in terms of the mean time of retreatment and time required to reach working length. The R esilon + E piphany and AH P lus + gutta‐percha obturation materials were removed more easily than were the E piphany + gutta‐percha and K err PCS + gutta‐percha obturation materials. Although ProTaper retreatment files worked faster than did M two retreatment files in terms of removing root canal obturation materials, both retreatment systems are effective, reliable and fast.