There are several ways to find free legal aid programs that provide dentures for seniors in your area. One option is to contact your local senior center or retirement community. They often have information on resources available for seniors, including dental services. Another option is to reach out to local dental schools or dental clinics. These institutions may offer discounted or free dental services to seniors who meet certain criteria. Additionally, you can contact your state's dental association or a local non-profit organization that focuses on oral health. These organizations may be able to provide information on free legal aid programs in your area.