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母乳児におけるう蝕予防プログラムの有効性について-18ヶ月間の追跡調査を行った
The effectiveness of a caries preventive program in mothers and infants - An 18- month follow-up study.
PMID: 33505627 PMCID: PMC7816028. DOI: 10.1016/j.jds.2019.12.008.
抄録
背景・目的:
う蝕の原因となる主要な細菌群であるMSとLBは、母体中のこれらの細菌のレベルが高いと、母体から乳児への感染が促進される。本研究の目的は、さまざまな予防戦略を用いて母体の MS と LB の乳児への感染を予防し、幼児期のう蝕進行を抑制することであった。
Background/purpose: MS and LB, the primary bacteria groups responsible for dental caries, and high levels of these bacteria in the mother promote transmission from mother to infant. The aim of this study was prevention of maternal MS and LB transmission on infants by using different preventive strategies and inhibition of early childhood caries proggession.
材料と方法:
本研究は、50 組の母子を対象に、研究群と対照群(n=25)のいずれかに無作為に割り付けて実施した。研究群の母親は、修復と抗菌処置によるう蝕の除去を含む詳細な予防プログラムに登録されていたが、対照群の母親は口腔保健教育を1回のみ受けた。
Materials and methods: This study was conducted with 50 mother-child pairs who were randomly allocated into either a study group or a control group (n = 25 each). Mothers in the study group were enrolled in a detailed preventive program that included elimination of dental caries with restorative and antibacterial procedures, whereas those in the control group received only a single episode of oral-health education.
結果:
18ヶ月後には、試験群で有意なMSとLBの抑制が認められた(p<0.0001)。また,乳児の齲蝕有病率は試験群0%,対照群20%であり,両群間の差は統計学的に有意であった(p=0.020)。
Results: After 18 months, significant MS and LB inhibition was observed in the study group (p < 0.0001). In addition, caries prevalence in the infants in the study and control groups was 0% and 20% respectively, and the difference between the two groups was statistically significant (p = 0.020).
結論:
これらの結果から、一次予防介入と口腔保健指導は、母親のMSとLBレベルを有意に抑制し、幼少期の子どものう蝕を予防することができることが示された。
Conclusion: These results indicate that primary preventive intervention and oral-health instruction can significantly inhibit the MS and LB levels of mothers and prevent caries in their children during the early years of life.
© 2020 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V.