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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.

調査の概要

状態

まだ募集していません

条件

介入・治療

詳細な説明

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.

研究の種類

介入

入学 (推定)

80

段階

  • 適用できない

連絡先と場所

このセクションには、調査を実施する担当者の連絡先の詳細と、この調査が実施されている場所に関する情報が記載されています。

研究連絡先

研究場所

参加基準

研究者は、適格基準と呼ばれる特定の説明に適合する人を探します。これらの基準のいくつかの例は、人の一般的な健康状態または以前の治療です。

適格基準

就学可能な年齢

  • 子

健康ボランティアの受け入れ

いいえ

説明

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.

研究計画

このセクションでは、研究がどのように設計され、研究が何を測定しているかなど、研究計画の詳細を提供します。

研究はどのように設計されていますか？

デザインの詳細

  • 主な目的：処理
  • 割り当て：なし
  • 介入モデル：単一グループの割り当て
  • マスキング：なし（オープンラベル）

武器と介入

参加者グループ / アーム
介入・治療
実験的：Orofacial Myofunctional Therapy
Participants receive semi-standardized orofacial myofunctional therapy for 8 months, with a total of 8 therapy sessions.
行動：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.

この研究は何を測定していますか？

主要な結果の測定

結果測定
メジャーの説明
時間枠
Change in normalized sEMG Area of the mylohyoid region during swallowing
時間枠：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)

二次結果の測定

結果測定
メジャーの説明
時間枠
Change in tongue strength measured using the Iowa Oral Performance Instrument (IOPI)
時間枠：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)
時間枠：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)
時間枠：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)
時間枠：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)
時間枠：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)
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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
時間枠：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)

協力者と研究者

ここでは、この調査に関係する人々や組織を見つけることができます。

スポンサー

Tartu University Hospital

協力者

University of Tartu

捜査官

  • スタディチェア：Triin Jagomägi, PhD、University of Tartu

研究記録日

これらの日付は、ClinicalTrials.gov への研究記録と要約結果の提出の進捗状況を追跡します。研究記録と報告された結果は、国立医学図書館 (NLM) によって審査され、公開 Web サイトに掲載される前に、特定の品質管理基準を満たしていることが確認されます。

主要日程の研究

研究開始 (推定)

2026年9月14日

一次修了 (推定)

2028年3月31日

研究の完了 (推定)

2028年3月31日

試験登録日

最初に提出

2026年9月8日

QC基準を満たした最初の提出物

2026年9月15日

最初の投稿 (実際)

2026年9月18日

学習記録の更新

投稿された最後の更新 (実際)

2026年9月18日

QC基準を満たした最後の更新が送信されました

2026年9月15日

最終確認日

2026年9月1日

詳しくは

本研究に関する用語

キーワード

追加の関連 MeSH 用語

その他の研究ID番号

  • TEET295

個々の参加者データ (IPD) の計画

個々の参加者データ (IPD) を共有する予定はありますか?

いいえ

IPD プランの説明

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.

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いいえ

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