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Comparative study of two needle models in terms of deflection during inferior alveolar nerve block

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Comparative study of two needle models in terms of deflection during inferior alveolar nerve block

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dc.contributor.author Delgado Molina,Esther es
dc.contributor.author Tamarit Borrás,Meritxell es
dc.contributor.author Berini Aytés,Leonardo es
dc.contributor.author Gay-Escoda,Cosme es
dc.date.accessioned 2023-06-22T12:12:40Z
dc.date.available 2023-06-22T12:12:40Z
dc.date.issued 2009 es
dc.identifier.citation Delgado-Molina E, Tamarit-Borràs M, Berini-Aytés L, Gay-Escoda C. Comparative study of two needle models in terms of deflection during inferior alveolar nerve block. Med Oral Patol Oral Cir Bucal. 2009 Sep 1;14(9):e440-e444. es
dc.identifier.uri https://hdl.handle.net/10550/88501
dc.description.abstract Objectives: The purpose of this study is to determine the possible differences in deflection between two needles of same length and external gauge but with different internal gauges during truncal block of the inferior alveolar nerve. The initial working hypothesis was that greater deflection may be expected with larger internal gauge needles.Study design: Four clinicians subjected 346 patients to inferior alveolar nerve block and infiltrating anesthesia of the buccal nerve trajectory for the surgical or conventional extraction of the lower third molar. A nonautoaspirating syringe system with 2 types of needle was used: a standard 27-gauge x 35-mm needle with an internal gauge of 0.215 mm or an XL Monoprotect® 27-gauge x 35-mm needle with an internal gauge of 0.265 mm. The following information was systematically recorded for each patient: needle type, gender, anesthetic technique (direct or indirect truncal block) and the number of bone contacts during the procedure, the patient-extraction side, the practitioner performing the technique, and blood aspiration (either positive or negative).Results: 346 needles were used in total. 190 were standard needles (27-gauge x 35-mm needle with an internal gauge of 0.215 mm) and 156 were XL Monoprotect®. Incidence of deflection was observed in 49.1% of cases (170 needles) where 94 were standard needles and 76 XL Monoprotect®. Needle torsion ranged from 0º and 6º.Conclusions: No significant differences were recorded in terms of deflection and internal gauge, operator, patientextraction side, the anesthetic technique involved and the number of bone contacts during the procedure. es
dc.title Comparative study of two needle models in terms of deflection during inferior alveolar nerve block es
dc.type journal article es_ES
dc.subject.unesco UNESCO:CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES
dc.identifier.url http://www.medicinaoral.com/medoralfree01/v14i9/medoralv14i9p440.pdf

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