The Use of Cryotherapy in Conjunction with Surgical Removal of Mandibular Third Molars: a Single-Blinded Randomized Controlled Trial

Overview

Journal J Oral Maxillofac Res

Date 2022 Feb 28

PMID 35222869

Authors

Marie Kjaergaard Larsen

Thomas Kofod

Thomas Starch-Jensen

Affiliations

Soon will be listed here.

Abstract

Objectives: Cryotherapy is frequently used to diminish postoperative sequelae following mandibular third molar surgery. The objective of this single-blinded randomized controlled trial was to assess the therapeutic efficiency of 30 minutes continuous cryotherapy on postoperative sequelae following surgical removal of mandibular third molars compared with no cryotherapy.

Material And Methods: Thirty patients (14 male and 16 female) including 60 mandibular third molars were randomly allocated to 30 minutes of immediately cryotherapy or no cryotherapy. Outcome measures included pain (visual analogue scale score), maximum mouth opening (trismus) and quality of life (oral health impact profile-14). Outcome measures were assessed preoperatively and one day, three days, seven days and one month following surgical removal of mandibular third molars. Descriptive and generalized estimating equation analyses were made. Level of significance was 0.05.

Results: No cryotherapy following surgical removal of mandibular third molars revealed a statistically significant lower visual analogue scale score of pain compared to thirty minutes of continuous cryotherapy after one day (P < 0.05). However, no statistically significant difference in trismus or oral health-related quality of life were revealed at any time point compared with no cryotherapy.

Conclusions: The therapeutic effect of 30 minutes continuous cryotherapy following surgical removal of mandibular third molars seem to be negligible. Thus, further randomized controlled trials assessing a prolonged application period of cryotherapy, alternative devices or use of intermittent cryotherapy are needed before definite conclusions and evidence-based clinical recommendations can be provided.

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