The 2nd scientific symposium on the use of biodegradable materials in craniofacial surgery. Saariselkä, Finland, April 8-11, 1999.   Dr. Katja Puumanen Healing of experimental maxillary alveolar clefts in growing rabbits using two biodegradable materials. Dr. Hilkka Peltoniemi Experimental studies on bioabsorbable mini-plates and screws in craniofacial surgery – experiences and future innovations. Prof. Milomar Ninkovic Preliminary clinical experiences in application of biodegradable plates and screws Prof. Pertti Törmälä Processing and properties of self-reinforced bioabsorbable polymeric composites. Minna Kellomäki, M.Sc. Plates for conducted and enhanced bone growth. Dr. Yrjö Konttinen Foreign body reaction in aseptic loosening in THR.