睡眠時のブラキシズムと顎関節症。文献調査による検討

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J Dent.2021 Jun;111:103711. S0300-5712(21)00132-9. doi: 10.1016/j.jdent.2021.103711.Epub 2021-06-06.

睡眠時のブラキシズムと顎関節症。文献調査による検討

Sleep bruxism and temporomandibular disorders: A scoping review of the literature.

Daniele Manfredini
Frank Lobbezoo

PMID: 34090993 DOI: 10.1016/j.jdent.2021.103711.

抄録

目的:

睡眠時ブラキシズム（SB）と顎関節症（TMD）の関係を調査したすべての英文論文を評価することで、文献のスコーピングレビューを行うこと。

OBJECTIVE: To provide a scoping review of the literature by assessing all the English-language papers that investigated the relationship between sleep bruxism (SB) and temporomandibular disorders (TMDs).

研究データと出典:

睡眠時無呼吸症候群と顎関節症との関連性を評価した論文を、いくつかの異なるアプローチで特定するために、National Library of Medicine (PubMed)とScopusのデータベースで検索を行った。その後、選択した論文を構造的に読み、PICO表にまとめた。論文の選択は、2人の著者がそれぞれ行った。

STUDY DATA AND SOURCES: A search was performed in the National Library of Medicine (PubMed) and Scopus databases, in order to identify all the articles published assessing the relationship between SB and TMDs, by several different approaches. The selected articles were then structurally read and summarized in PICO tables. The articles were selected independently by the two authors.

研究の選択:

最初に検索された185の文献のうち、47の論文が組み入れ基準を満たしたため、レビューに含まれました。研究は、SB評価の種類に基づいて4つのカテゴリーに分けられました。1.質問票/自己報告（n=26）、2.臨床検査（n=7）、3.筋電図（n=5）、4.睡眠ポリグラフ（PSG）（n=9）。

STUDY SELECTION: Out of 185 references that were initially retrieved, 47 articles met the inclusion criteria and were thus included in the review. The studies were divided into four categories based on the type of SB assessment: 1. questionnaire/self-report (n = 26), 2. clinical examination (n = 7), 3. electromyography (EMG) (n = 5), and 4. polysomnography (PSG) (n = 9).

結論から言うと:

CONCLUSIONS: Studies based on questionnaire/self-report SB featured a low specificity for SB assessment, and in general they found a positive association with TMD pain. On the contrary, instrumental studies (i.e., electromyography, polysomnography) found a lower level of association or even a negative relationship between SB and TMD pain. Findings from this updated review confirmed the conclusions of a previous review by Manfredini & Lobbezoo, suggesting that literature findings on the relationship between SB and TMDs are dependent on the assessment strategies that are adopted for SB. Future studies should consider SB as a multifaceted motor behavior that must be evaluated in its continuum spectrum, rather than using a simplified dichotomous approach of presence/absence.