Aim to compare Incidence of flare-ups and apical healing after single-visit or two-visits treatment of teeth with necrotic pulp and apical periodontitis after a two-year control period. 110 teeth with a diagnosis of pulp necrosis and apical radiolucency at the apex. Working length was established with EAL and confirmed radiographically. M4 system with Flex-R files were used to complete canal preparation. Level of discomfort were recorded and cases with severe postoperative pain and/or swelling were classified as flare-ups.
110 teeth with a diagnosis of pulp necrosis and apical radiolucency at the apex. Working length was established with EAL and confirmed radiographically. M4 system with Flex-R files were used to complete canal preparation. Level of discomfort were recorded and cases with severe postoperative pain and/or swelling were classified as flare-ups.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
110
All treatment sessions were approximately 50 minutes in length to allow for acceptable time for completion of treatment and retreatment in one or two visits. All the clinical procedures were performed by the author. Following local anesthesia with 2% lidocaine with 1:100,000 epinephrine (Septodont Saint-Maur des Fossés, France) and rubber dam isolation the tooth was disinfected with 5.25% NaOCl (Ultra bleach, Bentonville, AR, USA).
Each patient will be evaluated a week after completion the clinical procedures.
Pain intensity measure with general pain scale
Each patient will recall a week to evaluate post operative pain
Time frame: a week
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