Oral hygiene and postoperative pain after mandibular third molar surgery
Peñarrocha M, Sanchis JM, Sáez U, Gay C, Bagán JV.: Oral hygiene and postoperative pain after mandibular third molar surgery. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2001 Sep;92(3):260-4.
Abstract
OBJECTIVE:
The purpose of this study was to evaluate the association between oral hygiene before surgery and pain, inflammation, and trismusafter the surgical removal of 190 impacted lower third molars.
STUDY DESIGN:
Patient hygiene was assessed by the simplified oral hygiene index. The maximum active interincisal oral opening was determined before surgery by using a millimeter scale, from the upper incisive edge to the lower incisive edge. Pain and inflammation were in turn recorded in written form by each patient 2, 6, and 12 hours after the operation and every day thereafter for 7 days.
RESULTS:
Maximum postoperative pain was recorded 6 hours after extraction, with peak inflammation after 24 hours. The patients with the poorestoral hygiene reported higher pain levels throughout the postoperative period and more analgesic consumption in the first 48 hours. In contrast, oral hygiene appeared to exert no influence on either trismus or inflammation.
CONCLUSIONS:
Poor oral hygiene before the surgical removal of 190 impacted lower third molars is correlated with greater postoperative pain.
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