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Background <p>Paracetamol and ibuprofen are commonly prescribed pain relievers used in dental treatments, but their use can delay wound healing and lead to malunion and weaken the strength of newly formed bones. This randomized controlled clinical trial aimed to evaluate the wound healing (WH) and anti-inflammatory effects of paracetamol and ibuprofen on tooth extraction wounds in patients.</p> Methods <p>This study involved a total of 20 patients who required removal of their fully erupted upper third molar under local anaesthesia at the Oral and Maxillofacial Surgery Clinic, Faculty of Dentistry, Chiang Mai University. The study subjects were divided into two groups of 10 patients each who were prescribed 400&#xa0;mg of ibuprofen or 500&#xa0;mg of paracetamol for seven days. Subsequently, WH was evaluated and the resulting proportions were compared using Landry Turnbull and Howley Index (LTHI) scores. Salivary matrix metalloproteinase 9 (MMP-9) and transforming growth factor beta1 (TGF-β1) concentrations were used as proinflammatory indicators. Accordingly, the WH values and the resulting proportions were compared using Fisher’s exact test with a confidence interval (CI) of 95% (<i>P</i> &lt; 0.05). The concentrations of MMP-9 and TGF-β1 were measured using ELISA and compared using the Mann‒Whitney U test at 95% CI (<i>P</i> &lt; 0.05). The obtained statistical values were then analysed and interpreted accordingly.</p> Results <p>LTHI values on days 3 and 7 after tooth extraction were not significantly different between the two treatment groups. Salivary MMP-9 levels were lower in the paracetamol-treated group than in the ibuprofen-treated group (<i>P</i> &lt; 0.01) on day 3 only. The LTHI concentration was also negatively correlated (<i>r</i> = -0.433) with the MMP-9 concentration (<i>P</i> &lt; 0.05) but was positively correlated (<i>r</i> = 0.369) with the salivary TGF-β1 concentration (<i>P</i> &lt; 0.05). Interestingly, MMP-9 was negatively correlated with TGF-β1 in the ibuprofen treatment group (r<sup>2</sup> = -0.351).</p> Conclusion <p>Ibuprofen can inhibit the inflammatory process and delay healing in the extraction socket. After discontinuation of medication, no differences were observed in the healing effects between the paracetamol and ibuprofen groups.</p> Trial registration <p>The clinical trial was retrospectively registered at the Australian New Zealand Clinical Trial Registry (ANZCTR) NHMRC Clinical Trials Centre, Camperdown, Australia (Registry URL: <a href="https://www.anzctr.org.au">https://www.anzctr.org.au</a>) (Registration number: ACTRN12624000595516 Date: 9/5/2024).</p>

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Evaluating and comparing the effects of paracetamol and ibuprofen on wound healing, MMP-9, and TGF-β1 levels in patients following upper third molar tooth extraction

  • 期刊论文

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  • 发表日期：

    2025年4月3日

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  • Sumatee Yuthavong,
  • Piyanart Chatiketu,
  • Onsaya Keadto,
  • Pattaranee Srichairatanakool,
  • Somdet Srichairatanakool,
  • Vuttinun Chatupos

摘要

Background

Paracetamol and ibuprofen are commonly prescribed pain relievers used in dental treatments, but their use can delay wound healing and lead to malunion and weaken the strength of newly formed bones. This randomized controlled clinical trial aimed to evaluate the wound healing (WH) and anti-inflammatory effects of paracetamol and ibuprofen on tooth extraction wounds in patients.

Methods

This study involved a total of 20 patients who required removal of their fully erupted upper third molar under local anaesthesia at the Oral and Maxillofacial Surgery Clinic, Faculty of Dentistry, Chiang Mai University. The study subjects were divided into two groups of 10 patients each who were prescribed 400 mg of ibuprofen or 500 mg of paracetamol for seven days. Subsequently, WH was evaluated and the resulting proportions were compared using Landry Turnbull and Howley Index (LTHI) scores. Salivary matrix metalloproteinase 9 (MMP-9) and transforming growth factor beta1 (TGF-β1) concentrations were used as proinflammatory indicators. Accordingly, the WH values and the resulting proportions were compared using Fisher’s exact test with a confidence interval (CI) of 95% (P < 0.05). The concentrations of MMP-9 and TGF-β1 were measured using ELISA and compared using the Mann‒Whitney U test at 95% CI (P < 0.05). The obtained statistical values were then analysed and interpreted accordingly.

Results

LTHI values on days 3 and 7 after tooth extraction were not significantly different between the two treatment groups. Salivary MMP-9 levels were lower in the paracetamol-treated group than in the ibuprofen-treated group (P < 0.01) on day 3 only. The LTHI concentration was also negatively correlated (r = -0.433) with the MMP-9 concentration (P < 0.05) but was positively correlated (r = 0.369) with the salivary TGF-β1 concentration (P < 0.05). Interestingly, MMP-9 was negatively correlated with TGF-β1 in the ibuprofen treatment group (r2 = -0.351).

Conclusion

Ibuprofen can inhibit the inflammatory process and delay healing in the extraction socket. After discontinuation of medication, no differences were observed in the healing effects between the paracetamol and ibuprofen groups.

Trial registration

The clinical trial was retrospectively registered at the Australian New Zealand Clinical Trial Registry (ANZCTR) NHMRC Clinical Trials Centre, Camperdown, Australia (Registry URL: https://www.anzctr.org.au) (Registration number: ACTRN12624000595516 Date: 9/5/2024).