医学
焦虑
安慰剂
疼痛
夹板(药)
物理疗法
夹板
苦恼
随机对照试验
口腔正畸科
内科学
临床心理学
精神科
替代医学
病理
作者
K. Klepzig,Julia Wendt,L. Teusch,Christian H. Rickert,B Kordaß,Martín Lotze
摘要
Abstract Background Longitudinal intervention studies on treatment options in temporomandibular dysfunction (TMD) including self reports and salivary biomarkers of stress are rare and the exact therapeutic function of occlusal splints widely unknown. Methods We examined the therapeutic effects of a Michigan splint with occlusal relevance in patients with TMD using a placebo‐controlled, delayed‐start design. Two intervention groups received a Michigan splint, while one of them had a placebo palatine splint for the first 3 weeks. We collected pain intensities (at rest and after five occlusal movements), salivary measures associated with stress (cortisol and alpha‐amylase) and self‐reported psychological distress (stress, anxiety, catastrophizing) at baseline and 3 and 7 weeks after onset of intervention. Results At baseline, we observed increased pain intensity and psychological distress in TMD patients compared to 11 matched healthy controls. Baseline anxiety was linked to movement pain intensity through stress. Over therapy reductions in pain intensity and morning cortisol were more pronounced in those patients starting immediately with the Michigan splint, while psychological distress decreased similarly in both groups. Conclusion Our results suggest that perceived stress plays a role for the association between anxiety and TMD pain and underlines the need for an interdisciplinary perspective on the pathogenesis and therapy of TMD in a setting where psychotherapeutic knowledge is still scarce or rarely applied.
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