Journal of Dental Implants
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ORIGINAL ARTICLE
Year : 2019  |  Volume : 9  |  Issue : 1  |  Page : 4-11

TTPHIL-ALL TILT™ – An effective technique for loading of dental implants: A comparative study of stress distribution in maxilla using finite element analysis


1 Department of Prosthodontics, S.B. Patil Dental College and Hospital, Bidar, Karnataka, India
2 Department of Pedodontics and Preventive Dentistry, S.B. Patil Dental College and Hospital, Bidar, Karnataka, India
3 Institute for Dental Implantology, Hyderabad, Telangana, India

Correspondence Address:
Dr. P Venkat Ratna Nag
Institute for Dental Implantology, 8-2-598/A/1, GB, Uma Devraj Villa, Road No. 10, Banjara Hills, Hyderabad - 500 034, Telangana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jdi.jdi_18_18

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Objectives: The key objective of the study is to compare the influence of stress on the bone after placement of dental implants using three alternative techniques viz., (i) All-on-4 (2 straight and 2 distally tilt implants) (ii) All-on-6 (6 straight implants) and (iii) All-Tilt-6 (6 tilted implants under the TTPHIL-ALL TILT technique) for rehabilitation of moderate atrophic maxilla. Materials and Methods: Three dimensional Finite Element Model has been deployed in the study to compare stress distribution on bone using All-on-4, All-on-6, All-Tilt-6 technique. In the Finite Element Analysis, vertical loads of 150N on lateral incisor/canine, second premolar and second molar area were applied for analysis of von Mises stress distribution on the crestal cortical bone, cancellous bone and basal cortical bone. Results: von Mises stress shows higher values on Crestal cortical bone, Basal cortical bone and Cancellous bone for 'All-on-4' and 'All-on-6' concept. It is comparatively less for'All-Tilt-6' concept. Conclusion: TTPHIL-ALL TILT (Tall Tilted Pin Hole Immediate Loading) concept is a novel technique which is derived from the 'tilted implant concept' in which bicortical engagement of implant transfers less stress on the bone with reduced chances of bone resorption, failures and no cantileverage.


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