Journal of clinical and diagnostic research : JCDR · 2015
Anaesthetic Efficacy of Topical Benzocaine Gel Combined with Hyaluronidase for Supplemental Intrapulpal Injection in Teeth with Irreversible Pulpitis- A Double Blinded Clinical Trial.
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Sooraparaju Sujatha Gopal, Abarajithan M, Sathish Emmanuel Solomon, Suryakumari Nujella Bhaskara Padma, Ealla Kranti Kiran Reddy, Gade Winner
Аннотация
OBJECTIVE: Intrapulpal injection technique is one of the most commonly employed method to achieve profound pulpal anaesthesia during an endodontic procedure. To determine if the topical application of benzocaine gel along with hyaluronidase to the pulp chamber could reduce the pain felt with the intrapulpal injection technique.
MATERIALS AND METHODS: Two hundred patients with chronic irreversible pulpitis undergoing endodontic treatment for mandibular first molars in which the primary anaesthetic technique failed were selected and randomly divided into 2 groups. In the control group intrapulpal injection was administered with backpressure. In the experimental group topical application of 20% benzocaine gel mixed with hyaluronidase was done over the exposed pulp following which intrapulpal injection was administered with backpressure. Pain assessment was done on a visual analogue scale.
RESULTS: There was statistically significant difference (p<0.001) between the two groups. The mean value in the control group corresponded to the pain perception "strong", whereas that of the experimental group corresponded to the pain perception "weak".
CONCLUSION: Topical application of 20% benzocaine gel mixed with hyaluronidase to the exposed pulp reduces the pain encountered with the intrapulpal injection.
MATERIALS AND METHODS: Two hundred patients with chronic irreversible pulpitis undergoing endodontic treatment for mandibular first molars in which the primary anaesthetic technique failed were selected and randomly divided into 2 groups. In the control group intrapulpal injection was administered with backpressure. In the experimental group topical application of 20% benzocaine gel mixed with hyaluronidase was done over the exposed pulp following which intrapulpal injection was administered with backpressure. Pain assessment was done on a visual analogue scale.
RESULTS: There was statistically significant difference (p<0.001) between the two groups. The mean value in the control group corresponded to the pain perception "strong", whereas that of the experimental group corresponded to the pain perception "weak".
CONCLUSION: Topical application of 20% benzocaine gel mixed with hyaluronidase to the exposed pulp reduces the pain encountered with the intrapulpal injection.