Interlig is a reinforced composite material with glass fibers, for use in the clinic, with a range of applications: temporary periodontal or orthodontic immobilization, for emergency treatment of teeth lost due to periodontitis, pre-surgical splinting, for the reinforcement structure of fi xed prosthesis, either mediate or immediate, for making intraradicular cores, for space retaining in primary or permanent dentition, for reinforcement of acrylic structure (provisional, total prostheses), for reinforcement of large restorations of composite resin.