MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202611079029 A) filed by Sahba Hassan; Khadija Anwaar; Dr. Dinesh Kumar; Dr. Mamit Kumar; Dr. Keshav Goyal; Dr. Supriya Dahiya; Dr. Saumya Singh; and Dr Aakarshan Dayal Gupta on June 26, 2026, for Dental Drug Delivery Bioadhesive Patch.
Inventors include Sahba Hassan; Khadija Anwaar; Dr. Dinesh Kumar; Dr. Mamit Kumar; Dr. Keshav Goyal; Dr. Supriya Dahiya; Dr. Saumya Singh; and Dr Aakarshan Dayal Gupta.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: The present invention relates to a Dental Drug Delivery Bioadhesive Patch for localized and sustained administration of therapeutic agents within the oral cavity. The patch comprises a bioadhesive layer configured to firmly adhere to oral mucosal tissues, a controlled drug-release polymer matrix containing one or more pharmaceutical agents, and a biodegradable protective backing layer that directs drug diffusion toward the affected tissue while minimizing drug loss caused by saliva. The invention is designed to provide prolonged residence time, enhanced therapeutic efficacy, and improved patient comfort. The bioadhesive patch is fabricated using biocompatible and biodegradable polymers capable of maintaining strong adhesion in the moist oral environment. Upon application to diseased oral tissues such as gingiva, periodontal pockets, oral ulcers, extraction sockets, dental implant sites, or other localized lesions, the patch gradually releases therapeutic agents including antibiotics, anti-inflammatory drugs, analgesics, antifungal agents, antiseptics, local anesthetics, probiotics, herbal extracts, or regenerative biomolecules through a controlled-release mechanism. This localized delivery maintains an effective drug concentration at the treatment site while significantly reducing systemic drug exposure and dosing frequency. The proposed invention provides an efficient, non-invasive, flexible, and patient-friendly drug delivery system suitable for the treatment of various dental and periodontal disorders. The multilayer construction improves drug retention, promotes faster tissue healing, enhances patient compliance, and minimizes adverse effects associated with conventional oral dosage forms. The invention is suitable for pharmaceutical manufacturing using conventional film-forming and lamination techniques and has broad applicability in dental clinics, hospitals, and home-based oral healthcare.
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