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1.
Indian J Dent Res ; 29(1): 46-50, 2018.
Article in English | MEDLINE | ID: mdl-29442086

ABSTRACT

AIM: The aim of this study is to evaluate the effect of low-level laser irradiation and ibuprofen in reducing the onset and severity of postoperative pain following single visit endodontics. MATERIALS AND METHODS: One hundred and twenty patients were recruited for this study. Group A (n = 30) patients were administered 400 mg of ibuprofen orally 1 h before the institution of an endodontic procedure. Group B (n = 30) patients were given irradiation of a low-level laser at 50 Hz for 3 min after the standard endodontic procedure at the periapical region on both buccal and lingual aspect. Group C (n = 30) patients were given preoperative ibuprofen followed with a low-level laser at 50 Hz for 3 min after endodontic treatment. Group D (n = 30) patients were administered no preoperative ibuprofen nor low-level laser irradiation after the endodontic procedure. The patient immediately recorded his/her pain perception on the Heft Parker pain survey after completion of the appointment and at 4, 8, 12, 24, and 48 h postoperatively. Inter group analysis was carried out using the analysis of variances with "least significant difference" post hoc test. For intra group analysis, Student's t-test was used. Chi-square test was applied for nonparametric data. RESULTS: Pain was significantly reduced in all the treatment groups postoperatively. Ibuprofen showed significant pain reduction at 4 h and 8 h period. The combination of low-level laser and ibuprofen showed the best results in terms of postoperative pain reduction. CONCLUSION: This study proved that low-level laser therapy can be an effective alternative for conventional use of nonsteroidal anti-inflammatory drugs in controlling postendodontic pain thereby eliminating the adverse effects of such drugs on the patients.


Subject(s)
Analgesics, Non-Narcotic/therapeutic use , Ibuprofen/therapeutic use , Pain, Postoperative/prevention & control , Root Canal Therapy/adverse effects , Adolescent , Adult , Analgesics, Non-Narcotic/administration & dosage , Female , Humans , Ibuprofen/administration & dosage , Low-Level Light Therapy/adverse effects , Low-Level Light Therapy/methods , Male , Middle Aged , Pain Measurement , Preoperative Care/methods , Root Canal Therapy/methods , Young Adult
2.
J Conserv Dent ; 19(5): 424-7, 2016.
Article in English | MEDLINE | ID: mdl-27656060

ABSTRACT

AIM: To evaluate the effect of diode laser and ultrasonics with and without ethylenediaminetetraacetic acid (EDTA) on the smear layer removal from root canals. MATERIALS AND METHODS: A total of 120 mandibular premolars were decoronated to working the length of 12 mm and prepared with protaper rotary files up to size F3. Group A canals irrigated with 1 ml of 3% sodium hypochlorite (NaOCl) followed by 3 ml of 3% NaOCl. Group B canals irrigated with 1 ml of 17% EDTA followed by 3 ml of 3% NaOCl. Group C canals lased with a diode laser. Group D canals were initially irrigated with 0.8 ml of 17% EDTA the remaining 0.2 ml was used to fill the root canals, and diode laser application was done. Group E canals were irrigated with 1 ml distilled water with passive ultrasonic activation, followed by 3 ml of 3% NaOCl. Group F canals were irrigated with 1 ml EDTA with passive ultrasonic activation, followed by 3 ml of 3% NaOCl. Scanning electron microscope examination of canals was done for remaining smear layer at coronal middle and apical third levels. RESULTS: Ultrasonics with EDTA had the least smear layer scores. CONCLUSION: Diode laser alone performed significantly better than ultrasonics.

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