Ken Nikoniko Dental & Orthodontic Clinic, located in Kawaguchi-cho, Hachioji City, Tokyo, is a dental facility that provides medical care centered on preventive treatments such as dental caries and periodontal disease, as well as conservative treatments. As modern dental treatments, it handles various treatment methods including dental caries treatment, periodontal disease treatment, dentures, root canal treatment using microscopic treatment, orthodontics, implants, and is particularly skilled in tooth-preserving treatments. Diagnostic equipment includes dental CT essential for accurate diagnosis, dental microscopes essential for precise treatment, and intraoral scanners essential for mouthpiece orthodontics. Orthodontic treatments include preventive orthodontics that removes causes leading to malocclusion, pediatric orthodontics starting from the primary dentition period, and adult orthodontics performed during the permanent dentition period, with a particular focus on the mouthpiece-type orthodontic appliance Invisalign. It specializes in non-extraction orthodontics and also supports optical impressions using intraoral scanners. Cleaning and brushing guidance are provided by dental hygienists, and all dental hygienists wear dental loupes to perform highly accurate preventive treatments. There is parking, barrier-free support, and English services are available.