GTO is a bone grafting material of heterologous origin. It is a mix of collagenated cortico-cancellous granules with a granulometry ranging from 600 to 1000 μm, properly mixed with OsteoBiol® TSV Gel, which is a mixture of heterologous type I and III collagen gel with polyunsaturated fat acids and a biocompatible synthetic copolymer diluted in aqueous solution. The presence of TSV Gel ensures the optimal stickiness of the material. GTO is gradually resorbed and is extremely osteoconductive. Moreover, the granules' preserved collagen matrix facilitates blood clotting and the subsequent invasion of repairing and regenerative cells. These unique properties allow an excellent rate of new bone formation, delivering adequate graft volume preservation, a healthy new bony tissue and ultimately, a successful implant rehabilitation.