Validity of a New Kit Measuring Salivary Lactate Dehydrogenase Level for Screening Gingivitis

Daisuke Ekuni, Mayu Yamane-Takeuchi, Kota Kataoka, Aya Yokoi, Ayano Taniguchi-Tabata, Hirofumi Mizuno, Hisataka Miyai, Yoko Fukuhara, Daiki Fukuhara, Yoshio Sugiura, Takaaki Tomofuji, Manabu Morita

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Aim. The aim of this study was to determine the usefulness of a new kit that can evaluate salivary lactate dehydrogenase (LD) level in real time for screening gingivitis. Materials and Methods. The study included 70 systemic healthy volunteers [29 males and 41 females; mean age ± SD: 24.1 ± 2.6 years]. Resting saliva was collected from each participant and LD level was evaluated in real time using the kit (a color-changing sheet with an integer scale ranging from 1 to 10). A dentist measured probing pocket depth, clinical attachment level, and the proportion of sites with bleeding on probing (% BOP) at six sites on all teeth. Gingivitis was diagnosed when the BOP value was ≥20%. Results. Salivary LD level was positively correlated with mean % BOP (odds ratio: 1.47, 95% confidence interval: 1.132-1.916, and P < 0.001) in a logistic regression model. The sensitivity and specificity of the kit were 0.89 and 0.98, respectively, at a cut-off value of 8.0 for LD level. Conclusions. The new kit for measurement of salivary LD level may be a useful tool to screen for gingivitis in young adults, which contributes to early detection of future periodontitis.

Original languageEnglish
Article number9547956
JournalDisease markers
Volume2017
DOIs
Publication statusPublished - 2017

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Clinical Biochemistry
  • Biochemistry, medical

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