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Anesth Prog. 1985 Mar-Apr; 32(2): 62–64.
PMCID: PMC2148514

Deflection of Conventional Versus Non-Deflecting Dental Needles In Vitro

Abstract

Deflection of conventional and newly introduced nondeflecting dental local anesthetic needles were compared in vitro by radiographic examination of the course of the needles in a hydrocolloid impression material. Results indicated significantly less deflection of the new needles when compared to a variety of conventional needles. Controlled clinical trials will be required to test the significance of this finding.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Aldous JA. Needle deflection: a factor in the administration of local anesthetics. J Am Dent Assoc. 1968 Sep;77(3):602–604. [PubMed]
  • Lehtinen R. Penetration of 27- and 30-gauge dental needles. Int J Oral Surg. 1983 Dec;12(6):444–445. [PubMed]
  • McCarthy FM. Prevention and treatment of selected complications with local anesthesia alone--and with the adjuvants. Anesth Prog. 1979 Mar-Apr;26(2):37–42. [PMC free article] [PubMed]

Articles from Anesthesia Progress are provided here courtesy of American Dental Society of Anesthesiology

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