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Purpose <p>To evaluate longitudinal changes in oral health–related quality of life (OHRQoL), pain, and mandibular function over 12 months after temporomandibular joint (TMJ) disc repositioning with mini-anchor fixation in women with refractory bilateral disc displacement without reduction (DDwoR).</p> Methods <p>In this prospective cohort study, 34 women with bilateral DDwoR confirmed by Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) and magnetic resonance imaging (MRI), refractory to at least 6 months of conservative therapy, were assessed at baseline (T0), 1 month (T1), and 12 months (T2). Outcomes included the Oral Health Impact Profile-14 (OHIP-14), visual analog scale for pain (VAS-P), Helkimo Clinical Dysfunction Index (DI), and mandibular mobility measurements. Longitudinal changes were analyzed using repeated-measures ANOVA and linear mixed-effects models.</p> Results <p>Pain (VAS-P) decreased from 7.6 to 0.7, OHIP-14 from 29.4 to 7.0, and DI from 4.1 to 1.4 by 12 months (all <i>p</i> &lt; 0.001). Reductions in OHIP-14 and VAS-P exceeded the predefined MCIDs (OHIP-14, ≥ 4.0 points; VAS-P, ≥ 2.0 points on the 0–10 scale). Mandibular mobility also improved significantly over time. Age-group analyses were exploratory; although an overall time × age interaction was observed for OHIP-14, no significant between-group differences were found at postoperative time points.</p> Conclusion <p>TMJ disc repositioning with mini-anchor fixation was associated with significant improvements in OHRQoL, pain, and function in women with refractory bilateral DDwoR over 12 months.</p> Clinical trial number <p>Not applicable.</p>

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Functional and oral health–related quality-of-life outcomes 12 months after disc repositioning in women with refractory bilateral disc displacement without reduction

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月9日

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  • Roberto Ferreira Zanin,
  • Cláiton Heitz,
  • Bruna Morgan Dellagostin,
  • Alexandre Weber,
  • Guilherme Omizzolo,
  • Ricardo Augusto Conci,
  • João Batista Blessmann Weber

摘要

Purpose

To evaluate longitudinal changes in oral health–related quality of life (OHRQoL), pain, and mandibular function over 12 months after temporomandibular joint (TMJ) disc repositioning with mini-anchor fixation in women with refractory bilateral disc displacement without reduction (DDwoR).

Methods

In this prospective cohort study, 34 women with bilateral DDwoR confirmed by Diagnostic Criteria for Temporomandibular Disorders (DC/TMD) and magnetic resonance imaging (MRI), refractory to at least 6 months of conservative therapy, were assessed at baseline (T0), 1 month (T1), and 12 months (T2). Outcomes included the Oral Health Impact Profile-14 (OHIP-14), visual analog scale for pain (VAS-P), Helkimo Clinical Dysfunction Index (DI), and mandibular mobility measurements. Longitudinal changes were analyzed using repeated-measures ANOVA and linear mixed-effects models.

Results

Pain (VAS-P) decreased from 7.6 to 0.7, OHIP-14 from 29.4 to 7.0, and DI from 4.1 to 1.4 by 12 months (all p < 0.001). Reductions in OHIP-14 and VAS-P exceeded the predefined MCIDs (OHIP-14, ≥ 4.0 points; VAS-P, ≥ 2.0 points on the 0–10 scale). Mandibular mobility also improved significantly over time. Age-group analyses were exploratory; although an overall time × age interaction was observed for OHIP-14, no significant between-group differences were found at postoperative time points.

Conclusion

TMJ disc repositioning with mini-anchor fixation was associated with significant improvements in OHRQoL, pain, and function in women with refractory bilateral DDwoR over 12 months.

Clinical trial number

Not applicable.