Yonsei University · Dentistry
Professor Baek-Il Kim's research lab specializes in preventive and restorative dentistry with a strong focus on oral health promotion through advanced materials and microbiological interventions. The lab investigates the role of nano-hydroxyapatite and other biomaterials in preventing dental erosion and enhancing tooth whitening, while also exploring the use of light-activated therapies and photosensitizers to modulate the oral microbiome. A key research direction involves the clinical application of diagnostic technologies such as quantitative light-induced fluorescence (QLF) to detect early signs of dental disease and assess microbial community changes. The lab integrates clinical, biochemical, and molecular approaches to improve both oral and systemic health outcomes.
Figures are computed from collected data and may differ slightly.
This study examined the relationship between the subjective food intake of 30 food types and their objective bite force to identify the key food items within the 30 food types to achieve a greater depth of masticatory function in Korean adults. A sample of 308 (112 males and 196 females) adults over the age of 20 (average age, 48.6) was selected among patients who visited four dental hospitals in Seoul, Korea. The subjective masticatory ability was evaluated through an interview with food intake
Quantitative light-induced fluorescence (QLF) technology can detect some dental plaque as red fluorescence. This in vivo study aimed to identify the microbial characteristics of red fluorescent (RF) dental plaque using 16S rRNA gene sequencing and evaluate the correlations between RF plaque and the clinical symptoms of dental diseases. Paired supragingival plaque samples collected from each 10 subjects and consisted of RF and non-RF dental plaques as observed by QLF technology using a 405 nm blu
The salivary hemoglobin level, self-report questionnaire, and the combined method demonstrated screening potential that could predict the population prevalence of ≥CPI 3 or CPI 4.
The sports drink containing 0.25% nano-HA was effective in preventing dental erosion in situ.
Effective methods for managing the oral microbiome are necessary to ensure not only the oral but also the systemic health of a human body. The purpose of this study was to determine the sensitivity of four photosensitizers (PSs) to blue light in six representative oral bacterial species that cause intraoral diseases. The following six strains were investigated: <i>Actinomyces israelii</i>,<i> Enterococcus faecium</i>, <i>Fusobacterium nucleatum</i>, <i>Lactobacillus gasseri</i>, <i>Streptococcus
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