Kajii Dental Clinic, located in Inocho, Ube City, Yamaguchi Prefecture, is a dental practice dedicated to providing community-based dental care. The clinic has been protecting the oral health of patients in this region for 100 years, spanning three generations starting from the grandfather. The clinic offers a wide range of dental services including cavity treatment, root canal therapy, periodontal treatment, pediatric dentistry, preventive dentistry, sports mouthguards, and dental implants. Operating hours are from 9:00 AM to 1:00 PM in the morning and 2:30 PM to 7:00 PM in the afternoon, with the clinic closed on Thursdays, Sundays, and public holidays. The facility is equipped with parking and barrier-free access. Staff members with Clinical Coordinator qualifications are available to discuss treatment options as many times as needed until patients feel at ease. During consultations, the clinic considers not only oral health conditions but also lifestyle habits and dietary patterns to support overall well-being. English interpretation is available, creating an environment where community members can feel free to consult about any concerns as their local dental provider. With a long history of trust and a commitment to incorporating new knowledge, the clinic serves as a vital resource for oral health in an era where people are living to 100 years old, deeply appreciated by local residents.