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https://www.readbyqxmd.com/read/28011178/recurrence-probability-for-keratocystic-odontogenic-tumors-an-analysis-of-6427-cases
#1
Bruno Ramos Chrcanovic, Ricardo Santiago Gomez
PURPOSE: To investigate and compare the probability of recurrence of keratocystic odontogenic tumors (KCOTs) for different variables and treatment protocols. MATERIALS AND METHODS: An electronic search was undertaken in April 2016 that included clinical series of KCOTs reporting recurrences. Untransformed proportions and meta-analyses were performed to estimate the probability/risk of recurrence, according to several variables. RESULTS: A total of 94 publications were included (6427 KCOTs, 1464 recurrences)...
November 19, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27993447/a-safe-and-accurate-method-to-perform-esthetic-mandibular-contouring-surgery-for-far-eastern-asians
#2
A M-C Hsieh, L-K Huon, H-R Jiang, S Y-C Liu
A tapered mandibular contour is popular with Far Eastern Asians. This study describes a safe and accurate method of using preoperative virtual surgical planning (VSP) and an intraoperative ostectomy guide to maximize the esthetic outcomes of mandibular symmetry and tapering while mitigating injury to the inferior alveolar nerve (IAN). Twelve subjects with chief complaints of a wide and square lower face underwent this protocol from January to June 2015. VSP was used to confirm symmetry and preserve the IAN while maximizing the surgeon's ability to taper the lower face via mandibular inferior border ostectomy...
December 16, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27990668/femoral-head-ostectomy-for-the-treatment-of-acetabular-fracture-and-coxofemoral-joint-luxation-in-a-potbelly-pig
#3
Joe S Smith, Munashe Chigerwe, Carly Kanipe, Sarah Gray
OBJECTIVE: To report the successful surgical treatment of a comminuted left acetabular fracture, a dorsally luxated left femoral head, and avulsion of the ligament of the femoral head by femoral head ostectomy (FHO) and physical therapy in a companion Potbelly pig. STUDY DESIGN: Case report. ANIMALS: A 1-year-old, 13 kg, castrated male, companion Potbelly pig. METHODS: The pig presented with a nonweight bearing left pelvic limb lameness of 3 weeks' duration that was noticed shortly after the pig got caught under a fence...
December 19, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27978913/-establishment-and-application-of-a-digital-workflow-in-the-treatment-of-condylar-osteochondroma-and-secondary-dentofacial-deformities-using-image-guided-endoscopic-navigation-combined-with-orthognathic-surgery
#4
M L Shen, J S Yu, H B Yu, H Sun, G F Shen, X D Wang
Objective: To establish a digital workflow in the treatment of mandibular condylar osteochondroma with secondary dentofacial deformities using navigation and endoscope combined with orthognathic surgery. Methods: Thirty-six patients with unilateral condylar osteochondroma were analyzed retrospectively. Preoperative planning and simulation were carried out on the digital three-dimansional (3D) model in all patients. With the aid of image-guided endoscopic navigation, osteochondroma resection and condylectomy were accurately performed...
December 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27955959/what-surgical-treatment-has-the-lowest-recurrence-rate-following-the-management-of-keratocystic-odontogenic-tumor-a-large-systematic-review-and-meta-analysis
#5
Essam Ahmed Al-Moraissi, Ayed Ali Dahan, Mohamed Salah Alwadeai, Fadekemi Olufunmilayo Oginni, Jamil Mohammed Al-Jamali, Ahmed Saleh Alkhutari, Nashwan Hamid Al-Tairi, Abdulrazaq Ahmed Almaweri, Jaber Saleh Al-Sanabani
PURPOSE: Among the different surgical treatments for keratocystic odontogenic tumors (KOTs), there is no single method associated with a zero recurrence rate (RR). Thus, this study aimed to seek the best surgical treatment with the least RR using a weighted event rated meta-analysis. MATERIALS AND METHODS: To address our study purpose, a systematic review and meta-analysis based on the Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guideline was performed...
January 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27935008/distal-femoral-lateral-closing-wedge-osteotomy-as-a-component-of-comprehensive-treatment-of-medial-patellar-luxation-and-distal-femoral-varus-in-dogs
#6
Barry E Brower, Michael P Kowaleski, Ann M Peruski, Antonio Pozzi, Jonathan Dyce, Kenneth A Johnson, Randy J Boudrieau
OBJECTIVE: To describe a cohort of dogs with medial patellar luxation managed with a distal femoral lateral closing wedge ostectomy (DFO) as a component of comprehensive treatment, and to report radiographic and long-term clinical outcome of this technique. METHODS: Medical records of dogs that had a lateral closing wedge DFO as part of management of medial patellar luxation at three veterinary teaching hospitals were reviewed. Surgical reports as well as the preoperative, postoperative, and follow-up radiographs were reviewed...
January 16, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27935006/comparison-of-osteotomy-technique-and-jig-type-in-completion-of-distal-femoral-osteotomies-for-correction-of-medial-patellar-luxation-an-in-vitro-study
#7
Matteo Olimpo, Lisa A Piras, Bruno Peirone, Derek B Fox
OBJECTIVES: Femoral osteotomies are frequently completed to correct malalignment associated with patellar luxation. The objectives of this study were to compare the use of: 1) two different types of jig; and 2) different types of osteotomy in the realignment of canine femoral bone models which possessed various iterations of angular deformity. METHODS: Models of canine femora possessing distal varus, external torsion and a combination of varus and torsion underwent correction utilizing two alignment jigs (Slocum jig and Deformity Reduction Device) and either a closing wedge ostectomy (CWO) or an opening wedge osteotomy (OWO)...
January 16, 2017: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27923212/comparison-of-diabetic-charcot-patients-with-and-without-foot-wounds
#8
Dane K Wukich, David Sadoskas, Nicholas J Vaudreuil, Mitchell Fourman
BACKGROUND: The primary aim of this study was to evaluate the outcomes of a series of patients with Charcot neuroarthropathy (CN) who were evaluated in a tertiary care setting. We hypothesized that those patients with CN who presented with a Charcot-related foot wound would have lower rates of successful limb salvage than patients who presented without a wound. METHODS: Two hundred forty-five patients (280 feet) were identified with diabetic CN during the time period from January 1, 2005, to June 1, 2015...
October 23, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27900248/treatment-of-cystic-lesion-of-mandible-using-combination-of-modified-bone-granules-and-calcium-phosphate-bone-cement-a-preliminary-report
#9
Richik Tripathi, Fahad M Samadi, Sanjeev Kumar
AIMS: This study was conducted to evaluate healing of bony cavity in mandible following enucleation of cystic lesion by obliterating the cavity using modified natural bone granules (G Graft) and calcium phosphate bone cement (G Bone). MATERIALS AND METHOD: In this technique, after enucleation of cystic lesion, peripheral ostectomy using No. 702 fissure bur and perforation of the inferior cortex using 1.5 mm drill bits were performed. Modified hydroxyapatite granules were used to fill the defect while calcium hydroxide bone cement was used to seal the cavity opening...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27865804/ghost-cell-tumors
#10
Jason Sheikh, Molly D Cohen, Naomi Ramer, Ali Payami
Ghost cell tumors are a family of lesions that range in presentation from cyst to solid neoplasm and in behavior from benign to locally aggressive or metastatic. All are characterized by the presence of ameloblastic epithelium, ghost cells, and calcifications. This report presents the cases of a 14-year-old girl with a calcifying cystic odontogenic tumor (CCOT) and a 65-year-old woman with a peripheral dentinogenic ghost cell tumor (DGCT) with dysplastic changes, a rare locally invasive tumor of odontogenic epithelium...
October 26, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27849104/biomechanical-comparison-of-two-ostectomy-configurations-for-partial-mandibulectomy
#11
Daniel Linden, Brad M Matz, Ramsis Farag, Harry W Boothe, D Michael Tillson, Ralph Henderson
OBJECTIVE: To determine the stiffness and load to failure of two different ostectomy configurations using canine mandibles. STUDY DESIGN: Cadaveric biomechanical assessment. ANIMALS: Paired mandibles (n = 30). METHODS: Standardized partial ostectomies were created on the alveolar surface of 30 mandibles. Samples were randomly assigned to right-angled (n = 15) or crescentic ostectomy (n = 15). Excision spanned the mesial aspect of the fourth premolar tooth to the distal aspect of first molar tooth...
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27843268/comparative-efficacy-of-amoxicillin-clavulanic-acid-and-levofloxacin-in-the-reduction-of-postsurgical-sequelae-after-third-molar-surgery-a-randomized-double-blind-clinical-trial-in-a-nigerian-university-teaching-hospital
#12
Kizito Chioma Ndukwe, Ramat Oyebunmi Braimah, John Foluso Owotade, Stephen Babatunde Aregbesola
BACKGROUND: The most common sequelae after surgical removal of mandibular third molar are pain, trismus, swelling, and dysphagia. However, these symptoms can also signal the onset of surgical site infection and alveoli osteitis. The aim of this study was to evaluate the efficacy of prophylactic amoxicillin/clavulanic acid and levofloxacin and preemptive therapy of amoxicillin/clavulanic acid in the reduction of postinflammatory complications, surgical site infection, and alveolar osteitis following the third molar surgery...
July 2016: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/27789270/topical-5-fluorouracil-is-a-novel-targeted-therapy-for-the-keratocystic-odontogenic-tumor
#13
Nicholas J Ledderhof, Marco F Caminiti, Grace Bradley, David K Lam
PURPOSE: The antimetabolite drug, 5-fluorouracil (5-FU), is used in the treatment of various cancers, including basal cell carcinomas (BCCs). The authors hypothesized that keratocystic odontogenic tumors (KOTs) would respond to 5-FU treatment because of their similarities to BCCs in molecular etiopathogenesis. MATERIALS AND METHODS: An ambispective cohort study of the treatment efficacy of topical 5-FU on KOTs was conducted. Independent variables included the topical application of 5% 5-FU or modified Carnoy solution (MC) after enucleation and peripheral ostectomy at the University of Toronto from 2006 through 2014...
September 30, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27779272/effect-of-monocortical-and-bicortical-screw-numbers-on-the-properties-of-a-locking-plate-intramedullary-rod-configuration-an-in-vitro-study-on-a-canine-femoral-fracture-gap-model
#14
Elinor J Field, Kevin Parsons, Julie A Etches, Katie Hamilton, Neil J Burton
OBJECTIVES: To evaluate the effect of varying the number and configuration of locking bicortical and monocortical screws on a plate-rod construct using a mid-diaphyseal femoral ostectomy model. METHODS: Thirty Greyhound femurs were assigned to six groups (A-F). An intramedullary pin was placed in each bone following which a 3.5 mm locking plate was applied with six differing locking screw configurations. Groups A to C had one bicortical screw in the most proximal and distal plate holes and one to three monocortical locking screws in the proximal and distal fragments...
November 23, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27768070/establishment-of-a-segmental-femoral-critical-size-defect-model-in-mice-stabilized-by-plate-osteosynthesis
#15
Mathieu Manassero, Adeline Decambron, Bui Truong Huu Thong, Véronique Viateau, Morad Bensidhoum, Hervé Petite
The use of tissue-engineered bone constructs is an appealing strategy to overcome drawbacks of autografts for the treatment of massive bone defects. As a model organism, the mouse has already been widely used in bone-related research. Large diaphyseal bone defect models in mice, however, are sparse and often use bone fixation which fills the bone marrow cavity and does not provide optimal mechanical stability. The objectives of the current study were to develop a critical-size, segmental, femoral defect in nude mice...
October 12, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27741416/utility-of-superiorly-based-masseter-muscle-flap-for-postablative-retromaxillary-reconstruction
#16
Chandrashekhar R Bande, Akshay Mishra, M K Gupta, Manu Goel, Mayur J Gawande
PURPOSE: Resections in the posterior component of the oral cavity usually lead to severe functional compromise and lower quality of life for patients. Notable advances in reconstruction of the posterior part of the mouth and of the oropharynx have occurred in recent decades. The anatomic and physiologic rehabilitation of the defect to a reasonable outcome with low morbidity and mortality remains the founding basis of any surgical reconstruction, which also holds true for oral oropharyngeal and retromaxillary reconstructions...
January 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27688170/late-mandibular-fracture-occurring-in-the-postoperative-period-after-third-molar-removal-systematic-review-and-analysis-of-124-cases
#17
REVIEW
W R Pires, J P Bonardi, L P Faverani, G A C Momesso, X M J P Muñoz, A F M Silva, S R Panzarini, A P F Bassi, D Ponzoni
Factors associated with the diagnosis, aetiology, and treatment of mandibular fractures occurring during the postoperative period following the removal of a lower third molar are discussed. The following databases were searched using specific key words: PubMed/MEDLINE, LILACS, Embase, and Scopus. The search yielded 124 cases. Sex, age, side, tooth position and angulation, bone impaction, relationship between the tooth and the inferior alveolar nerve, local pathological conditions, aetiology of the fracture, symptomatology, and time between surgery and fracture, as well as any displacement of the fracture and the treatment of the fracture, were evaluated...
January 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27677685/combined-use-of-facial-osteoplasty-and-orthognathic-surgery-for-treatment-of-dentofacial-deformities
#18
Yunfeng Li, Zhiai Hu, Bin Ye, Yao Liu, Xiaochun Ren, Songsong Zhu
PURPOSE: Orthognathic surgery is an efficient procedure for cosmetic and functional aims. However, when functional improvement is achieved by mandibular or maxillary operations, additional esthetic corrections may be imperative for some patients. This study aims to introduce our primary practice of simultaneous facial bone contouring and orthognathic surgery for esthetic reasons. PATIENTS AND METHODS: Ten patients with dentofacial deformities as well as a prominent angle, asymmetric deformities, or a high zygoma and zygomatic arch were recruited from West China Hospital of Stomatology, Sichuan University (Chengdu, China), between January 1, 2014, and July 31, 2015...
December 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27567359/reduction-malarplasty-by-bidirectional-wedge-ostectomy-or-two-percutaneous-osteotomies-according-to-zygoma-protrusion-type
#19
Wooyeol Baek, Taeyong Woo, Young Seok Kim, In Sik Yun, Jimyung Kim, Se Woon Choi, Tai Suk Roh, Dae Hyun Lew
BACKGROUND: Reduction malarplasty to correct prominent malar complex is popular in Asians. Despite the popularity of reduction malarplasty, most of the surgical methods applied are not selected according to the degree of zygoma protrusion. In this study, we analyzed the effectiveness of two different surgical procedures to clarify their appropriateness for each zygoma type. METHODS: One of the procedures used was the "bidirectional wedge ostectomy," in which a bidirectional wedge-shaped bone fragment was removed from the zygomatic body via oral incision and oblique complete osteotomy of the zygomatic arch via sideburn incision...
October 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27475115/management-of-facial-asymmetry-due-to-overgrowing-costochondral-graft-a-case-report
#20
Arif Razzak, Nabeela Ahmed, Andrew Sidebottom
Costochondral grafts are used to replace the mandibular condyle in cases of TMJ ankylosis, and are generally viewed as a gold standard for autogenous reconstruction of the mandibular condyle (Güven, 2000; Posnick and Goldstein, 1993 [1,2]). We report a case where overgrowth of costochondral grafts is seen, resulting in asymmetric mandibular growth and dentofacial asymmetry (Posnick and Goldstein, 1993 [2]). A 17 year old male patient presented with an existing costochondral graft performed due to TMJ ankylosis during childhood...
2016: International Journal of Surgery Case Reports
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