... FDA,CE Approval 2.EN ISO13485:2007,EN ISO 9001:2008 Cerficate 3.Three mainfuncation:bone,root,clean Woodpecker Ultrasurgery for bone ... used for dental surgery, such as dental extraction, bone grafting, osteogenic distraction, endodontic surgery, alveolar nerve ... decompression, cyst removal, osteoplasty, bone harvesting techniques and periodontic surgery, etc.The function of ...