Assessment of vertical bone gain and neurosensory affection in computer guided vs sandwich osteotomy technique in the atrophied posterior mandible : a randomized clinical trial / By Ahmed Khaled Mohamed Hassan, B.D.S 2017, Faculty of Oral and Dental Medicine, Future University in Egypt

By:

Hassan, Ahmed Khaled Mohamed [author]

Material type: Text

TextLanguage: English Summary language: Arabic Publisher: 2022Description: 120 pages : illustrations (mostly color) ; 30 cmContent type:

text

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unmediated

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volume

Other title:

تقييم أكتساب العظام العمودي و التأثير الحسي العصبي في إستخدام التقنية الموجهة بالكمبيوتر مقابل التقنية التقليدية لقطع العظم الشطيري في ضمور الفك السفلي الخلفي : تجربة سريرية عشوائية [Added title page title]

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DDC classification:

22 617.69 H.A.A

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Dissertation note: Thesis (M.Sc.)-Future University, Faculty of Oral and Dental Medicine, Department of Oral & Maxillofacial Surgery, 2022. Scope and content: The aim of this study was to assess the efficiency of the computer-guided interpositional sandwich osteotomy for the vertical bone gain and effects on vital structures (inferior dental nerve bundle) compared to free hand interpositional osteotomies. A total of 7 patients were randomly chosen for a split mouth study (total of 14 cases) with atrophic alveolar ridge at posterior mandible were recruited from the outpatient clinic of Oral and maxillofacial surgery department, Faculty of oral and dental medicine – Future University in Egypt. The treatment modalities were randomly allocated (from October 2021 to September 2022) patients randomly divided into two groups • Study group: posterior mandible bone augmentation with fully computer guided sandwich osteotomy technique using patient specific cutting guide and a patient specific cutting guide fixation guide. • Control group: posterior mandible bone augmentation using free hand sandwich osteotomy technique. Amount of Bone Gain Both groups were assessed in terms of bone gain. After 4 months, the CBCT used to measure mean amount of bone gain at three-point (crestal, 5 mm below the crest, 10 mm below the crest) and the result showed that the mean value of bone gain of Study group (2.6±1.03) mm was higher than the mean value of control group (1.98±1.35) mm yet the difference was not statistically significant (p=0.357) the mean value of bone gain in percentage of study Neurosensory affection The study group showed better results when it came to the affection of the inferior alveolar bundle with value of (9.15±0.29) compared to the values of the control group (6.75±1.59). these results simply demonstrated a statistical significance (p=0.015) which by other means indicated that the use of patient specific CAD/CAM guides enhanced the safety of the osteotomies done above the mandibular canal.

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Item type	Current library	Call number	Status	Date due	Barcode
Thesis	Main library C4 THESIS	617.69 H.A.A (Browse shelf(Opens below))	Not for loan		00017267

Supervisors, Prof. Lobna Abdel Aziz Aly, Professor of Oral and maxillofacial surgery Faculty of Oral and Dental Medicine, Future University in Egypt, Ass. Prof. Mohamed Mounir Ahmed, Assistant Professor of Oral and maxillofacial surgery, Faculty of Dentistry, Cairo University, Dr. Waleed Fathy Ali Esmael, Lecturer of Oral and Maxillofacial Surgery, Faculty of Oral and Dental Medicine, Future University in Egypt

Thesis (M.Sc.)-Future University, Faculty of Oral and Dental Medicine, Department of Oral & Maxillofacial Surgery, 2022.

Includes bibliographical references.

The aim of this study was to assess the efficiency of the computer-guided interpositional sandwich osteotomy for the vertical bone gain and effects on vital structures (inferior dental nerve bundle) compared to free hand interpositional osteotomies. A total of 7 patients were randomly chosen for a split mouth study (total of 14 cases) with atrophic alveolar ridge at posterior mandible were recruited from the outpatient clinic of Oral and maxillofacial surgery department, Faculty of oral and dental medicine – Future University in Egypt. The treatment modalities were randomly allocated (from October 2021 to September 2022) patients randomly divided into two groups • Study group: posterior mandible bone augmentation with fully computer guided sandwich osteotomy technique using patient specific cutting guide and a patient specific cutting guide fixation guide. • Control group: posterior mandible bone augmentation using free hand sandwich osteotomy technique. Amount of Bone Gain Both groups were assessed in terms of bone gain. After 4 months, the CBCT used to measure mean amount of bone gain at three-point (crestal, 5 mm below the crest, 10 mm below the crest) and the result showed that the mean value of bone gain of Study group (2.6±1.03) mm was higher than the mean value of control group (1.98±1.35) mm yet the difference was not statistically significant (p=0.357) the mean value of bone gain in percentage of study Neurosensory affection The study group showed better results when it came to the affection of the inferior alveolar bundle with value of (9.15±0.29) compared to the values of the control group (6.75±1.59). these results simply demonstrated a statistical significance (p=0.015) which by other means indicated that the use of patient specific CAD/CAM guides enhanced the safety of the osteotomies done above the mandibular canal.

Text in English, abstracts in English and Arabic.

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