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The Effect of Orofacial Myofunctional Therapy on Neuromuscular Outcomes and Orofacial Function in Children and Adolescents in Estonia

2026年9月15日 更新者：Tartu University Hospital

The aim of the present study is to evaluate the effects of semi-standardized myofunctional therapy on the functional and neuromuscular characteristics of the orofacial system in children and adolescents aged 7-14 years using a longitudinal study design and a unified assessment protocol. Myofunctional therapy is a treatment method for functional disorders of the oral, lingual, and facial regions. The study approaches the orofacial system holistically by linking functional characteristics with anatomical structures, including palatal morphology and skeletal and dentoalveolar occlusal relationships, while also considering the impact of treatment adherence on outcomes.

Participants' orofacial functions and neuromuscular characteristics will be assessed before, during, and after therapy using standardized clinical measurements. The study will analyze the dynamics of changes, individual variability, and associations with craniofacial phenotype and treatment adherence.

Despite the widespread use of myofunctional therapy in Estonia, systematic evidence regarding therapy effectiveness, treatment dynamics, and factors influencing outcomes is limited, and unified assessment and intervention standards are lacking. The study aims to address this knowledge gap and support evidence-based implementation of myofunctional therapy, clinical decision-making, and healthcare resource planning.

研究概览

地位

尚未招聘

条件

干预/治疗

详细说明

This is a prospective longitudinal clinical interventional study conducted at the Department of Paediatric Dentistry, Stomatology Clinic, Tartu University Hospital, Estonia. The study will include up to 80 children and adolescents aged 7-14 years who have been referred for orofacial myofunctional therapy and meet the study eligibility criteria.

Participants will receive semi-standardized orofacial myofunctional therapy as part of their clinical treatment. The study period for each participant is approximately nine months, including an eight-month therapy intervention with eight therapy sessions conducted at intervals of approximately 4-6 weeks.

Standardized clinical assessments are performed at baseline (T0, visit 1), during therapy (T4, visit 5), and after completion of the intervention (T8, visit 9). The assessments include neuromuscular and orofacial functional measurements. Treatment adherence is assessed throughout the intervention period using standardized questionnaires completed from the perspectives of the child, parent or legal representative, and therapist.

The study also evaluates craniofacial and dentoalveolar characteristics as exploratory factors in relation to treatment response.

研究类型

介入性

注册 (估计的)

80

阶段

  • 不适用

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

学习地点

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 孩子

接受健康志愿者

不

描述

Inclusion Criteria:

  • Age 7-14 years at the time of enrollment.
  • Referred for orofacial myofunctional therapy.
  • Diagnosed with an orofacial myofunctional disorder.
  • Willingness to participate in therapy and assessments according to the study protocol.
  • Written informed consent from a parent or legal guardian for the child's participation in the study.
  • Written informed assent from the child to participate in the study.
  • Written consent from a parent or legal guardian to participate in the study by completing the questionnaire assessing their child's treatment adherence.
  • Sufficient proficiency in Estonian to participate in the study and understand the study procedures.

Exclusion Criteria:

  • Structural craniofacial anomalies or syndromes (e.g., cleft lip and/or palate).
  • A medical condition that prevents safe participation in therapy or study assessments.

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：治疗
  • 分配：不适用
  • 介入模型：单组作业
  • 屏蔽：无（打开标签）

武器和干预

参与者组/臂
干预/治疗
实验性的：Orofacial Myofunctional Therapy
Participants receive semi-standardized orofacial myofunctional therapy for 8 months, with a total of 8 therapy sessions.
行为的：Semi-standardized Orofacial Myofunctional Therapy
Participants receive semi-standardized orofacial myofunctional therapy over an 8-month period, consisting of 8 therapy sessions at approximately 4-6-week intervals. Individually tailored exercises target tongue strength and mobility, lip strength and closure, swallowing pattern, tongue resting posture, nasal breathing and reduction of mouth breathing, and other orofacial functional patterns. Exercises are practiced under therapist supervision and performed at home once daily according to an individualized exercise program. Simple non-invasive aids, including a spatula and a button attached to a string, may be used during exercises. The intervention corresponds to routine clinical care and does not involve invasive or painful procedures.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Change in normalized sEMG Area of the mylohyoid region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) activity of the bilateral mylohyoid region is recorded during swallowing. The sEMG Area during swallowing is normalized to the sEMG Area recorded during maximal tongue-palate pressure using the Iowa Oral Performance Instrument (IOPI) bulb. Normalized Area (%) is calculated as: sEMG Area during swallowing / sEMG Area during maximal tongue-palate pressure × 100. Change in normalized Area is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)

次要结果测量

结果测量
措施说明
大体时间
Change in tongue strength measured using the Iowa Oral Performance Instrument (IOPI)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Maximum tongue strength is measured using the Iowa Oral Performance Instrument (IOPI) and expressed in kilopascals (kPa). Change in maximum tongue strength is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in lingual swallowing pressure measured using the Iowa Oral Performance Instrument (IOPI)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Lingual swallowing pressure (LSP) is measured using the Iowa Oral Performance Instrument (IOPI) and expressed in kilopascals (kPa). Change in lingual swallowing pressure is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in lip strength measured using the Iowa Oral Performance Instrument (IOPI)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Lip strength is measured using the Iowa Oral Performance Instrument (IOPI) and expressed in kilopascals (kPa). Change in lip strength is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in tongue-to-incisive papilla opening (TIP)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Tongue-to-incisive papilla opening (TIP) is measured in millimeters (mm) with the tongue tip in contact with the incisive papilla. Change in TIP is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in lingual-palatal suction opening (LPS)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Lingual-palatal suction opening (LPS) is measured in millimeters (mm) during lingual-palatal suction. Change in LPS is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in overall orofacial function assessed using a modified Orofacial Myofunctional Evaluation with Scores (OMES)
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Orofacial function is assessed using a modified Orofacial Myofunctional Evaluation with Scores (OMES). The modified total score ranges from 34 to 98 points, with higher scores indicating better orofacial function. Change in the modified total OMES score is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean frequency of the mylohyoid region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean frequency (MF) of the bilateral mylohyoid region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in hertz (Hz). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in MF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean frequency of the mylohyoid region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean frequency (MF) of the bilateral mylohyoid region is recorded during swallowing and expressed in hertz (Hz). Change in MF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean power frequency of the mylohyoid region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean power frequency (MPF) of the bilateral mylohyoid region is recorded during swallowing and expressed in hertz (Hz). Change in MPF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG Area of the mylohyoid region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) Area of the bilateral mylohyoid region is recorded during swallowing and expressed in microvolt-seconds (µV·s). Change in sEMG Area is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean frequency of the masseter region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean frequency (MF) of the bilateral masseter region is recorded during swallowing and expressed in hertz (Hz). Change in MF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean power frequency of the masseter region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean power frequency (MPF) of the bilateral masseter region is recorded during swallowing and expressed in hertz (Hz). Change in MPF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG Area of the masseter region during swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) Area of the bilateral masseter region is recorded during swallowing and expressed in microvolt-seconds (µV·s). Change in sEMG Area is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean power frequency of the mylohyoid region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean power frequency (MPF) of the bilateral mylohyoid region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in hertz (Hz). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in MPF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG Area of the mylohyoid region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) Area of the bilateral mylohyoid region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in microvolt-seconds (µV·s). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in sEMG Area is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean frequency of the masseter region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean frequency (MF) of the bilateral masseter region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in hertz (Hz). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in MF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG mean power frequency of the masseter region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) mean power frequency (MPF) of the bilateral masseter region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in hertz (Hz). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in MPF is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)
Change in sEMG Area of the masseter region during standardized solid-food swallowing
大体时间：Baseline (T0), 4 months (T4), and 8 months (T8)
Surface electromyographic (sEMG) Area of the bilateral masseter region is recorded during standardized swallowing of an approximately 5 g apple slice and expressed in microvolt-seconds (µV·s). One practice trial is performed before measurement, and the mean of two measurement trials is used for analysis. Change in sEMG Area is assessed across the study period.
Baseline (T0), 4 months (T4), and 8 months (T8)

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Tartu University Hospital

合作者

University of Tartu

调查人员

  • 学习椅：Triin Jagomägi, PhD、University of Tartu

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (估计的)

2026年9月14日

初级完成 (估计的)

2028年3月31日

研究完成 (估计的)

2028年3月31日

研究注册日期

首次提交

2026年9月8日

首先提交符合 QC 标准的

2026年9月15日

首次发布 (实际的)

2026年9月18日

研究记录更新

最后更新发布 (实际的)

2026年9月18日

上次提交的符合 QC 标准的更新

2026年9月15日

最后验证

2026年9月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • TEET295

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

IPD 计划说明

Individual participant data will not be shared with other researchers. Study data are processed in pseudonymized form in accordance with the approved study protocol and applicable data protection requirements. Study results will be reported only in aggregated and anonymized form.

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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