Evidence map›Paper›PMID 39104139›Full record

ArticleClinical and experimental dental research2024

Low Salivary IgA Levels Against PAc (361-386) as a Risk Factor for Root Caries in Older Adults.

Yu Ichikawa, Noboru Kaneko, Kaung Myat Thwin, Hidenobu Senpuku, Kaname Nohno, Hiroshi Ogawa

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Article in Clinical and experimental dental research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Yu IchikawaDivision of Preventive Dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.
Noboru KanekoDivision of Preventive Dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.
Kaung Myat ThwinDivision of Preventive Dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.ORCID 0000-0003-0350-7977
Hidenobu SenpukuDepartment of Microbiology and Immunology, Nihon University School of Dentistry at Matsudo, Chiba, Japan.
Kaname NohnoDivision of Oral Science for Health Promotion, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.
Hiroshi OgawaDivision of Preventive Dentistry, Faculty of Dentistry & Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.

Funding

This study was financially supported by Grant-in-Aid from the Ministry of Health, Labour and Welfare of Japan (H10-Iryo-00, H16-Iryo-020) and Japan Society for the Promotion of Science KAKENHI (grant number: 26463159).
6 · The paper itself

Abstract

objectivesThis study aimed to assess the intricate relationship between salivary IgA antibody levels to PAc (361-386) (PPA), mutans streptococci colonization, and root caries development in older adults. MATERIALS AND

methodsThis study included 307 participants aged 76 years residing in Niigata city, Japan. Clinical oral examinations were performed at baseline in 2004 and 1 year later, during which the total number of untreated and treated root caries was assessed using the root decayed, filled tooth (DFT) index. The stimulated saliva samples were collected using the spitting method during the baseline survey. Salivary IgA antibody levels to amino acid residues 361-386 of Streptococcus mutans PAc were quantified using an enzyme-linked immunosorbent assay. Statistical analyses, including the χ

resultsAmong the 307 participants (53.1% men), the mean root DFT at baseline was 3.77 ± 3.66, and 36.5% of the study sample exhibited increased root DFT after 1 year with a mean increment of 0.36 ± 0.48. Participants with increase in root DFT after 1 year had significantly higher rates of low PPA levels (≤ 25th percentile) than those without increased root DFT (p = 0.020). Low PPA levels (≤ 25th percentile) were significantly more likely to have an increased risk of root caries development compared with PPA levels > 25th percentile (adjusted OR: 1.88, 95% CI: 1.09-3.25).

conclusionLow PPA levels and root caries incidence correlated significantly, suggesting that low levels of salivary IgA antibody to PAc (361-386) may serve as a risk factor for increased root caries in older adults.

Indexed as

Root CariesSalivaStreptococcus mutansAgedAntibodies, BacterialDMF IndexEnzyme-Linked Immunosorbent AssayFemaleHumansImmunoglobulin AImmunoglobulin A, SecretoryJapanMaleRisk FactorsAntibodies, BacterialImmunoglobulin AImmunoglobulin A, Secretoryolder adultsrisk factorroot cariessalivary IgA antibody

Identifiers

PMID39104139
PMCPMC11300535

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