OHLENDORF COMPANY

Ohlendorf Appliance Laboratory (OAL), founded in 1933 and now in its third generation of family ownership, is a full-service dental appliance laboratory specializing in custom-fabricated orthodontic and oral appliance therapy devices. Based in St. Louis, Missouri, OAL serves dental practices across all 50 states. The laboratory manufactures a comprehensive range of products including clear aligner trays, fixed and removable orthodontic appliances, retainers (fixed and removable), space maintainers, habit correction appliances, and specialized pediatric orthodontic devices. The company leverages advanced technology including 3D digital portals and accepts digital scan formats such as iTero Digital Scans. OAL emphasizes precision craftsmanship, on-time delivery, and expert technical support. Staff members participate in hundreds of continuing education hours annually to maintain current knowledge of appliance therapy techniques and trends. The company provides case consultation services, diagnostic expertise, and dedicated support for complex orthodontic cases, positioning itself as a trusted partner for orthodontists and general dental practitioners.