Copyright: © 2025 by the authors. Licensee: Pirogov University.
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ORIGINAL RESEARCH

Application of quantitative light-induced fluorescence technique to determine individual oral hygiene levels

About authors

Pirogov Russian National Research Medical University, Moscow, Russia

Correspondence should be addressed: Ludmila V. Pobozhieva
Ostrovityanov, 1, bld. 7, Moscow, 117997; ur.liam@golotamots-alimdul

About paper

Author contribution: Pobozhieva LV — research procedure, data analysis, manuscript writing; Kopetskiy IS — manuscript editing; Kopetskaya AI — data analysis, manuscript writing.

Compliance with ethical standards: the study was approved by the Ethics Committee of the Pirogov Russian National Research Medical University (protocol No. 238 dated 19 March 2024). All the subjects submitted the informed consent to participation in the study.

Received: 2025-04-23 Accepted: 2025-05-23 Published online: 2025-06-06
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Fig. 1. Distribution of subjects by caries intensity, %
Fig. 2. Patient A., 22 years. Photo protocol of oral hygiene status assessment. DMF — 3, Green-Vermillion index — 0.5, Quigley Hein index — 0.92
Fig. 3. Patient K., 27 years. Clinical assessment of hygienic indices. DMF — 8, Green-Vermillion index — 1.7, Quigley Hein index — 3.3
Fig. 4. Patient N., 32 years. Results of the oral hygiene status QLF diagnosis. DMF — 10. SHS — 1, area of bacterial activity (Area ΔR) — 30% — 1[%]
Fig. 5. Patient М., 25 years. The areas covered with dental plaque are analyzed using the software tool. DMF — 13. SHS — 2, area of bacterial activity (Area ΔR) — 30% — 4[%]
Fig. 6. Patient A., 21 years. Dental plaque assessment involving the use of QLF diagnosis. DMF — 7. SHS — 5, area of bacterial activity (Area ΔR) — 30% — 34[%].
Table 1. Gender and age distribution of subjects
Table 2. Oral hygiene status indices, M ± sd
Table 3. Simple Hygiene Score (SHS) in surveyed individuals