This internship research project aims to conduct a comprehensive analysis of oral microbiota composition and bite force detection in healthy and periodontitis-affected groups, to provide a more holistic approach to diagnosing and treating periodontal disease. The execution of this internship project will contribute to a deeper understanding of the microbial mechanisms and relevant clinical parameters of periodontal disease within the dental community, potentially leading to the development of new diagnostic and therapeutic methods. *What we provide* - Profession training course covering oral microbiology, dental clinical techniques, data analysis - Collaborative opportunities with domestic industries