eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-10-25 8 October Spl Edition 499 502 10.13005/bpj/733 3673 article Vijay Ebenezer 1 R. Balakrishnan 2 Senthil Nathan 3 Vijay Ebenezer, Head of the Department, Department of Oral and Maxillofacial Surgery, Sree Balaji Dental College and Hospital, Bharath University, Pallikaranai, Chennai - 600100 R.Balakrishnan, Professor, Department of Oral and Maxillofacial Surgery, Sree Balaji Dental College and Hospital, Bharath University, Pallikaranai, Chennai - 600100 Senthil Nathan, Reader, Department of Oral and Maxillofacial Surgery, Sree Balaji Dental College and Hospital, Bharath University, Pallikaranai, Chennai - 600100 The posterior maxilla is always  considered as the difficult  site for the placement of implant than the mandible  due to the presence of various anatomical land mark such as maxillary sinus ,            these anatomical structures  often makes every dental implant surgeons a challenge task in placement of endosteal implants in the chronic atropic maxilla and difficult in osteointegration  and  further functional and aesthetic  implant supported prosthesis.various techniques  in sinus lifting procedure enables the additional anchorage and stability in implants placed support in maxillary segments in with atropic ridges and pneumatic  sinuses. https://biomedpharmajournal.org/vol8octoberspledition/indirect-sinus-lift-in-immediate-placent-of-implant-a-case-report/ Atropic maxilla sinus floor crestal approach osteotome endoseous implants