Journal of Dental Implants
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Year : 2015  |  Volume : 5  |  Issue : 1  |  Page : 76-81

"All-On-4/DIEM 2" A concept to rehabilitate completely resorbed edentulous arches

1 Department of Prosthodontics, Dayananda Sagar Dental College and Research Center, Rajiv Gandhi University of Health Sciences, Bengaluru, Karnataka, India
2 Dayananda Sagar Dental College, Bengaluru, Karnataka, India

Correspondence Address:
Minal Mahantshetty
Department of Prosthodontics, Dayananda Sagar College of Dental Sciences, Kumarswamy Layout, Banashankari, Bengaluru, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-6781.154455

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Although a number of approaches to implant-supported restoration of severely atrophic maxillae and mandibles have been developed, most of these treatments are costly and protracted. An exception is the all-on-four concept, which uses only four implants to support an acrylic, screw-retained provisional prosthesis delivered on the day of implant placement, followed by a definitive prosthesis later on. The present article describes about full-arch rehabilitations using implants supported prosthesis by "DIEM 2/all on 4" technique. This is an innovative technique that allows for immediate function, full arch implant-supported prosthesis without the need for any bone grafting procedures even in atrophic situations. In this technique, four implants are placed in the anterior region of the jaw between the two mental foramina in the mandible and between the mesial walls of maxillary sinus in the maxilla. The two anterior implants follow the jaw anatomy and the two distal implants are tilted at 45° angulation posteriorly, this arrangement allowed for good implant anchorage, short cantilever length, and large inter implant distance thus favoring fruitful outcome of the treatment.

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