Journal Title
Title of Journal: Clin Oral Invest
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Abbravation: Clinical Oral Investigations
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Publisher
Springer Berlin Heidelberg
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Authors: Luca Ramaglia Paolo Toti Carolina Sbordone Franco Guidetti Ranieri Martuscelli Ludovico Sbordone
Publish Date: 2014/07/08
Volume: 19, Issue: 4, Pages: 769-779
Abstract
Dependent variables described the sample of the present retrospective chart review By using threedimensional radiographs input variables describing the implant angulation buccal–lingual angle φ and mesial–distal angle θ were measured outcome variables described survival rate and marginal bone resorption MBR around dental implants in autogenous grafts 10 maxillae and 14 mandibles Pairwise comparisons and linear correlation coefficient were computedThe periimplant MBR in maxillary buccal and palatal areas appeared less intensive in the presence of an increased angulation of an implant towards the palatal side Minor MBR was recorded around mandibular dental implants positioned at a right angle and slightly angulated towards the mesialResorption in buccal areas may be less intensive as the angulation of placed implants increases towards the palatal area in the maxilla whereas for the mandible a greater inclination towards the lingual area could be negative In the mandibular group when the implant was slightly angulated in the direction of the distal area bone resorption seemed to be more marked in the buccal areaIn the planning of dental implant placement in reconstructed alveolar bone with autograft the extremely unfavourable resorption at the buccal aspect should be considered this marginal bone loss seemed to be very sensitive to the angulation of the dental implantClinical data were collected by the group composed of Prof Ludovico Sbordone MD DDS Dr Franco Guidetti acting director Complex Operating Unit of MaxilloFacial Surgery Azienda Ospedaliero–Universitaria Pisana Pisa Italy Dr GiovanBattista Menchini Fabris former research fellow Dept of Surgery University of Pisa/UOC Odondostomatology and Implantology AOUP Dr Paolo Toti within the study protocol approved by the Ethics Committee of the University of Pisa The present study has been supported in part through the Ministero dell’Istruzione Università e Ricerca Scientifica MIUR Italian Dept of Education University and Scientific Research PRIN 2008 2008K4XXF8 02 CUP G51J10000030001 to Prof Ludovico Sbordone and 2008K4XXF8 03 CUP E61J100000200001 to Prof Ranieri Martuscelli
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