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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Journal of Long-Term Effects of Medical Implants
SJR: 0.145 SNIP: 0.491 CiteScore™: 0.89

ISSN Печать: 1050-6934
ISSN Онлайн: 1940-4379

Выпуски:
Том 30, 2020 Том 29, 2019 Том 28, 2018 Том 27, 2017 Том 26, 2016 Том 25, 2015 Том 24, 2014 Том 23, 2013 Том 22, 2012 Том 21, 2011 Том 20, 2010 Том 19, 2009 Том 18, 2008 Том 17, 2007 Том 16, 2006 Том 15, 2005 Том 14, 2004 Том 13, 2003 Том 12, 2002 Том 11, 2001 Том 10, 2000

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.2018017280
pages 209-214

Crestal Sinus Floor Elevation with Autogenous Press-Fit Dowel Bone Harvested Using Trephine Drills: A New Method

Hamid Reza Arab
Oral and Maxillofacial Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
Amir Moeintaghavi
Dental Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
Farid Shiezadeh
Department of Periodontics, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
Maryam Hossein Nezhad
Dentist, Private Practice

Краткое описание

The aim of this study was clinical and radiographic evaluation of sinus floor lifting from the alveolar crest with trephine bur and autogenous bone graft. In this research, a press-fit dowel bone technique with application of an autogenous bone block was used for elevating the sinus floor. Ten closed sinus lift surgeries were performed on 10 patients; all patients possessed atrophic ridges in an edentulous maxilla. Bone height of the ridge ranged between 3 and 5 mm. Surgery included forming a bony cylinder with a trephine bur to reach the sinus cortical floor and then elevating the sinus floor bone with anosteotom and placing an autogenous bone block at the site and fitting it with strikes of a hand mallet. The amount of an osteotom sinus floor height gain was measured during implant placement and via radiography before surgery and four months postsurgery. Average height of the sinus floor bone after surgery was 8.33 mm with SD = 1.39 mm. Mean bone height gain after surgery in evaluated patients was 3.47 mm with SD = 1.4 mm. As a result, bone sinus floor height following surgery was significantly increased (P value = 0.044), with a significant difference between sinus floor bone height before and after surgery (P value = 0.041). No significant difference was observed between sinus floor bone height gain and sex, age, and smoking before and after the operation. The sinus floor lift method by trephine and autogenous bone graft is a practical and simple way to reduce the time needed for implantation in patients with moderate atrophy of the posterior maxilla.


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