In continuous ultrasonic irrigation group, Proultra PiezoFlow (Dentsply Tulsa Dental Specialties, Tulsa,OK) was used for the activation of the irrigating solution according to manufacturer's recommendations.

In the syringe irrigation group, irrigation was done using 27 gauge syringe.

Periapical Periodontitis

Proultra PiezoFlow (Dentsply Tulsa Dental Specialties)

Effect of Passive Ultrasonic Irrigation on Success of Primary Endodontic Treatment

Change in Periapical Index (PAI) scores (Orstavik et al) observed at 12-months was noted. Scoring of each tooth was done according to the following five point scale (PAI):
PAI Score Description of radiographic findings
Normal periapical structures
Small changes in bone structure
Changes in bone structure with some mineral loss
Periodontitis with well-defined radiolucent area
Severe periodontitis with exacerbating features

Visual analog scale (0-100mm) was used to evaluate pain levels. At the end of first appointment, all the patients were instructed to record the level of pain at 6 hours, 12 hours, 18 hours, 24 hours, 2 days, 3 days, 4 days, 5 days, and 6 days on the VAS pain score charts provided after the treatment.

Postgraduate Institute of Dental Sciences Rohtak

Treatment with WST09 Vascular Photodynamic therapy

Recurrent or Persistent Localized Carcinoma of the Prostate Following Radiation Therapy Failure

WST09

Princess Margaret Hospital

Study of Photodynamic Therapy in Patients With Prostate Cancer Following Radiation Therapy

Phase II Study of Photodynamic Therapy With WST-09 in Patients With Recurrent or Persistent Localized Carcinoma of the Prostate Following Radiation Therapy Failure : Effect of the Light Dose and the Number of Fibres

chlorine/necrosis

Effect of Passive Ultrasonic Irrigation on Success of Primary Endodontic Treatment

Study of Photodynamic Therapy in Patients With Prostate Cancer Following Radiation Therapy

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