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Clinical Trial Summary

The aim of this clinical study is to evaluate the influence of apical patency concept implementation upon postoperative pain following root canal treatment in a single visit approach in molars with pulpal disease.


Clinical Trial Description

All patients will be treated in a single session approach regardless of the group. All molars will be anesthetized either through infiltration in case of maxillary molars or inferior alveolar nerve block in case of mandibular molars using Octocaine 2% with epinephrine 1: 100,000 (Lidocaine HCl, Novocol Pharmaceutical, Ontario, Canada.). Rubber dam will be applied; and access will be opened using Endo access bur. Canals will be scouted using manual patency file in a watch winding maneuver and then coronal flaring will be performed using Gates Glidden drill #3 in a brushing motion away from dangerous zone. Root canals will be copiously irrigated using 10 ml 2.5% sodium hypochlorite NaOCl (Clorox; Egyptian Company for household bleach, Egypt) delivered using 28 Gauge safety Steri Irrigation Tip (DiaDent Group International, Burnaby, BC, Canada) inserted 3 mm below cementoenamel junction. Working length will be determined using electronic apex locator Root ZX II (J. Morita Mfg. Corp, Kyoto, Japan) and confirmed radiographically using parallel technique with receptor holding device. Canals will be irrigated again with 10ml 1.5% NaOCl, which will be delivered 2mm coronal to apical canal terminus. Irrigation will be hydro-dynamically agitated with EndoActivator device (Dentsply Maillefer, Baillagues, Switzerland) using yellow tips #20/06 inserted 2mm short of working length for 60 seconds. Root canals will be shaped using ProTaper next rotary Ni-Ti files (Dentsply Maillefer, Baillagues, Switzerland). In Gp A, apical patency will be maintained till obturation using electronic apex locator confirmed radiographically while in Gp B apical patency will not be maintained. Finally, Root canals will be obturated using cold lateral compaction technique. The molars will be permanently restored using composite resin restoration and will be scheduled for extra coronal restoration. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05170477
Study type Interventional
Source Cairo University
Contact
Status Completed
Phase N/A
Start date September 30, 2021
Completion date December 30, 2021

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