Three dimensional evaluation of nasolabial changes following classic versus modified alar base suture after le fort i osteotomy : A randomized controlled clinical trial / Amr Samy Mohamed Mokhtar ; Supervised Mostafa Kamal Ezz , Mohammed Ahmed Farid Shehab

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Amr Samy Mohamed Mokhtar

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TextLanguage: English Publication details: Cairo : Amr Samy Mohamed Mokhtar , 2021Description: 153 P. : charts , facsimiles ; 25cmOther title:

تقييم ثلاثى الأبعاد للتغيرات الأنفية والشفية ما بعد استخدام الخياطة الجناحية الكلاسيكية مقابل الخياطة الجناحية المعدلة بالأنف بعد جراحة قطع الفك العلوى الليو فورت1 : تجربة اكلينيكية عشوائية محكومة [Added title page title]

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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Surgery Summary: Introduction: Le Fort I osteotomy is one of orthognathic surgeries that results in nasolabial changes, including widening of the alar bases and thinning of the upper lip, which can result in a less desirable aesthetic outcome. The most common nasolabial change is widening of the alar base. Aim of study: We evaluated the efficacy using the modified alar cinch technique versus the classic alar cinch one for maintaining normal alar base width as primary outcome and nasal volume as secondary outcome after Le Forte I Osteotomy using cone-beam computed tomography (CBCT). Methods: This study was a randomized clinical trial enrolled forty patients with mandibular skeletal class III malocclusion with age ranged from 18 to 40 years and they randomly distributed into two group; control group enrolled twenty patients underwent maxillary advancement using Le Fort I osteotomy with classic alar base suture and study group enrolled twenty patients underwent the same procedure with modified alar base suture. Results: The early postoperative period for all patients went uneventful with no significant complications. All patients showed postoperative edema with variable degrees. Early mandibular function was started after releasing of MMF. Patients showed no postoperative relapse or numbness and all patients were satisfied with the esthetic results. The mean alar base width difference (post {u2013}preoperative) was increased by 3.07 (mm) for group 1 Classic alar cinch while it was increased by 2.85 (mm) for Group 2 Modified alar cinch. The difference between the two groups is statistically significant (P < 0.05). The mean Nasal volume difference (post {u2013}preoperative) was decreased by {u2013}1798.19 (mm3) for Group 1 Classic alar cinch and itwas decreased by- 2039.91 (mm3) for Group 2 Modified alar cinch. The differencebetween the two groups was statistically non significant (P >0.05)

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Holdings
Item type	Current library	Home library	Call number	Copy number	Status	Date due	Barcode
Thesis	قاعة الرسائل الجامعية - الدور الاول	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.09.13.Ph.D.2021.Am.T (Browse shelf(Opens below))		Not for loan		01010110085137000
CD - Rom	مخـــزن الرســائل الجـــامعية - البدروم	المكتبة المركزبة الجديدة - جامعة القاهرة	Cai01.09.13.Ph.D.2021.Am.T (Browse shelf(Opens below))	85137.CD	Not for loan		01020110085137000

Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral and Maxillofacial Surgery

Introduction: Le Fort I osteotomy is one of orthognathic surgeries that results in nasolabial changes, including widening of the alar bases and thinning of the upper lip, which can result in a less desirable aesthetic outcome. The most common nasolabial change is widening of the alar base. Aim of study: We evaluated the efficacy using the modified alar cinch technique versus the classic alar cinch one for maintaining normal alar base width as primary outcome and nasal volume as secondary outcome after Le Forte I Osteotomy using cone-beam computed tomography (CBCT). Methods: This study was a randomized clinical trial enrolled forty patients with mandibular skeletal class III malocclusion with age ranged from 18 to 40 years and they randomly distributed into two group; control group enrolled twenty patients underwent maxillary advancement using Le Fort I osteotomy with classic alar base suture and study group enrolled twenty patients underwent the same procedure with modified alar base suture. Results: The early postoperative period for all patients went uneventful with no significant complications. All patients showed postoperative edema with variable degrees. Early mandibular function was started after releasing of MMF. Patients showed no postoperative relapse or numbness and all patients were satisfied with the esthetic results. The mean alar base width difference (post {u2013}preoperative) was increased by 3.07 (mm) for group 1 Classic alar cinch while it was increased by 2.85 (mm) for Group 2 Modified alar cinch. The difference between the two groups is statistically significant (P < 0.05). The mean Nasal volume difference (post {u2013}preoperative) was decreased by {u2013}1798.19 (mm3) for Group 1 Classic alar cinch and itwas decreased by- 2039.91 (mm3) for Group 2 Modified alar cinch. The differencebetween the two groups was statistically non significant (P >0.05)

Issued also as CD

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