Milestone Scientific Inc. develops and commercializes computer-controlled drug delivery systems that use proprietary Dynamic Pressure Sensing Technology to enhance safety, precision, and patient comfort during subcutaneous injections and fluid aspiration procedures. The company operates two main product lines: dental products marketed as CompuDent and the STA Single Tooth Anesthesia System, sold directly and through distributors in over 40 countries, and medical products including the CompuFlo Epidural System for anesthesia delivery with FDA clearance for lumbar and thoracic regional procedures. The company generates revenue through direct e-commerce sales in the United States for dental products, international distribution agreements with dental suppliers, and a combination of direct sales and independent agent distribution for medical products internationally, while manufacturing is outsourced to third parties with a portfolio of approximately 305 patents and 10 registered trademarks protecting its intellectual property.