High Volume Local Anesthesia as a Postoperative Factor of Pain and Swelling in Dental Implants

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Abstract

Objective:

To determine whether the administration of high-volume local anesthesia can influence postoperative pain and swelling, and the degree of patient satisfaction, following dental implant placement.

Material and Methods:

One hundred patients (45 women and 55 men) between 19 and 80 years old were divided into two groups: group A (n = 50, with placement of an implant using an atraumatic approach in each patient, with sub-periosteal injection of a volume of Ultracain® ≤0.9 mL [half a carpule]) and group B (n = 50, involving the same surgical procedure but infiltrating a local anesthetic volume of ≥7.2 mL [four carpules]). Visual analog scales were used in all patients to rate intraoperative pain and postoperative pain and swelling. After the first week, the patients completed a questionnaire evaluating satisfaction with treatment.

Results:

The intraoperative pain scores were similar in both groups (p = 0.363), while the postoperative pain and swelling scores were significantly lower in group A at all time points. Patient rated satisfaction with the surgical treatment was higher in group A.

Conclusions:

Excess injected volume of local anesthetic in dental implant surgery has a negative impact upon both postoperative pain and swelling, and on patient rated satisfaction.

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