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Mandibular surgery

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https://www.readbyqxmd.com/read/28822677/dentoskeletal-parameters-related-to-visual-perception-of-facial-asymmetry-in-patients-with-skeletal-class-iii-malocclusion-after-orthognathic-surgery
#1
C-W Lin, Y-C Wang, Y-H Chen, E W-C Ko
The purpose of the study is to explore the critical parameters determining the visual perception of postoperative facial symmetry. This study retrospectively included 24 patients with skeletal class III malocclusion and double-jaw orthognathic surgery (OgS). The patients were classified according to the outcome of subjective visual perception scores (SVPS) based on the postoperative frontal images by 10 orthodontists: symmetrical surgical outcome (S group, n=12) and facial asymmetry after surgery (A group, n=12)...
August 16, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28811076/submucosal-injection-of-dexamethasone-and-methylprednisolone-for-the-control-of-postoperative-sequelae-after-third-molar-surgery-randomized-controlled-trial
#2
A Chugh, S Singh, Y Mittal, V Chugh
Pain, swelling, and trismus are known sequelae of third molar surgery that can significantly affect the individual's quality of life (QOL). These should be minimized to improve QOL. The purpose of this study was to compare the effects of the preoperative submucosal administration of equivalent doses of two commonly used steroids on these postoperative sequelae. A randomized controlled clinical trial was conducted involving 60 subjects requiring the removal of impacted mandibular third molars. Extraction cases with a similar difficulty index were included...
August 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28810590/diagnosis-and-surgical-treatment-of-cervical-macrocystic-lymphatic-malformations-in-infants
#3
Jing Ma, Ruan Biao, Fan Lou, Ken Lin, Ying-Qin Gao, Mei-Lan Wang, Yan-Li Yang, Tie-Song Zhang
The treatment of lymphatic malformations (LMs) represents a great clinical challenge. The present study reported on the treatment of 68 infants with cervical macrocystic LMs using surgical resection. The cases were retrospectively analyzed. All patients underwent pre-operative ultrasonography, computed tomography (CT), and magnetic resonance imaging (MRI) examinations. The surgery was performed under general anesthesia with endotracheal intubation. Ultrasonograms showed that 24 cases were monolocular, 44 were multilocular, 16 had no echo, 20 had a uniform low-level echo and 32 had a non-uniform low-level echo...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808471/management-of-invasive-cervical-root-resorption-in-a-mandibular-canine-using-biodentine-as-a-restorative-material-a-case-report
#4
Leila Eftekhar, Hengameh Ashraf, Sanaa Jabbari
Invasive cervical root resorption (ICR) is the reversible/irreversible loss of tooth structure in the connective tissue attachment zone with unclear etiology. In the present case a history of periodontal surgery was presumed to be the predisposing factor. Early diagnosis and proper treatment may lead to long-term retention of the tooth. The tooth is usually asymptomatic and diagnosis is commonly made as a result of a routine radiographic finding. Cone-beam computed tomography (CBCT) is extremely useful in diagnosis and treatment planning of ICR...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28803664/should-patients-take-vitamin-d-before-mandibular-operations
#5
N Syed, G A Chiu, P Korczak
Vitamin D deficiency is endemic in the United Kingdom (UK), particularly in high-risk groups. We report the outcomes of patients with low concentrations of the vitamin who had complications after reduction of mandibular fractures or osteotomy, and those who were screened preoperatively. A deficiency can be diagnosed with a simple and inexpensive blood test, and in the UK the cost of a vitamin D tablet is about £0.04/tablet/day. Patients at risk of a deficiency should be screened before mandibular operations, and those listed for orthognathic surgery or replacement of the temporomandibular joint should be asked to take a supplement before operation...
August 10, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28800842/treatment-outcome-in-orthognathic-surgery-a-prospective-randomized-blinded-case-controlled-comparison-of-planning-accuracy-in-computer-assisted-two-and-three-dimensional-planning-techniques-part-ii
#6
Martin Bengtsson, Gert Wall, Lennart Greiff, Lars Rasmusson
PURPOSE: The aim of the present study was to compare the accuracy of two-dimensional (2D) and three-dimensional (3D) prediction methods. The hypothesis was that a 3D technique would give a more accurate outcome of the postoperative result. MATERIAL AND METHODS: Patients with severe class III occlusion were included and planed with both a 2D and 3D prediction technique. They were there after randomly subdivided into a control (2D) and test (3D) group and treated according to the technique randomized for...
July 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28791455/fat-injection-a-systematic-review-of-injection-volumes-by-facial-subunit
#7
REVIEW
Shirley Shue, David E Kurlander, Bahman Guyuron
BACKGROUND: Fat grafting to the aging face has become an integral component of esthetic surgery. However, the amount of fat to inject to each area of the face is not standardized and has been based mainly on the surgeon's experience. The purpose of this study was to perform a systematic review of injected fat volume to different facial zones. METHODS: A systematic review of the literature was performed through a MEDLINE search using keywords "facial," "fat grafting," "lipofilling," "Coleman technique," "autologous fat transfer," and "structural fat grafting...
August 8, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28791277/the-rate-and-stability-of-mandibular-block-bone-graft-in-recent-5%C3%A2-years
#8
Jong-Cheol Park, Yun-Ho Kim, Hong-Seok Choi, Jong-Shik Oh, Sang-Hun Shin, Yong-Deok Kim
BACKGROUND: The purposes of the present study were to compare implant stabilities of mandibular block bone graft and bovine bone graft and to evaluate influencing factors for implant stability in mandibular block bone (MBB) graft. METHODS: This retrospective study investigated 1224 cases and 389 patients treated by one surgeon in the Department of Oral and Maxillofacial Surgery of Pusan National University Dental Hospital (Yangsan, Korea) between January 2010 and December 2014...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28791081/is-the-late-mandibular-fracture-from-third-molar-extraction-a-risk-towards-malpractice-case-report-with-the-analysis-of-ethical-and-legal-aspects
#9
Weuler Dos Santos Silva, Rubens Jorge Silveira, Michelle Gouveia Benicio de Araujo Andrade, Ademir Franco, Rhonan Ferreira Silva
OBJECTIVES: The present study reports a case of late mandibular fracture due to third molar extraction and highlights the inherent clinical, ethical and legal aspects related to this surgical complication. MATERIAL AND METHODS: A female patient underwent surgical procedure for the extraction of the mandibular right third molar. Two days after the surgery the patient reported pain and altered occlusion in the right side of the mandible. After clinical and radiographic re-examination, the diagnosis of late mandibular fracture was established...
April 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28791080/three-dimensional-printing-model-as-a-tool-to-assist-in-surgery-for-large-mandibular-tumour-a-case-report
#10
Kazuyuki Yusa, Hideyuki Yamanochi, Akira Takagi, Mitsuyoshi Iino
OBJECTIVES: Recently, three-dimensional printing models based on preoperative computed tomography and magnetic resonance imaging images have been widely used in medical fields. This study presents an effective use of the three-dimensional printing model in exploring complex spatial relationship between the tumour and surrounding tissue and in simulation surgery based planning of the operative procedure. MATERIAL AND METHODS: The patient was a 7-year-old boy with ameloblastic fibro-odontoma...
April 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28789854/a-rare-fourth-branch-of-the-marginal-mandibular-nerve
#11
M Gormley, J Philip, R James, M Heaton
This report describes a good example of the rare fourth branch of the marginal mandibular nerve. This case emphasizes the need for respecting the variation in the marginal mandibular nerve when carrying out surgery.
July 17, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28774851/a-prospective-study-of-chin-bone-graft-harvesting-for-unilateral-maxillary-alveolar-cleft-during-mixed-dentition
#12
AliReza Shirzadeh, Amin Rahpeyma, Saeedeh Khajehahmadi
PURPOSE: The chin is a common donor site for alveolar cleft bone grafting. The amount of bone available at this site can be limited, because conservative harvesting with mixed dentition must consider the incisive nerve, the unerupted mandibular canine, and the integrity of the inferior mandibular border. MATERIALS AND METHODS: Patients with nonsyndromic unilateral alveolar cleft in the mixed dentition stage were selected for this study. The volume of bone obtained from the mandibular symphysis (symphysis menti), degree of alteration in lower lip sensation, anterior tooth vitality, remaining bone in the alveolar cleft, and bone defects at the donor site 1 year after surgery were evaluated...
July 10, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28770161/tumor-resection-from-retromolar-trigone-posterolateral-maxilla-and-anterior-mandibular-ramus-using-lower-cheek-flap-approach-a-case-report-and-review-of-literature
#13
Young-Hoon Kang, June-Ho Byun, Su-Jin Sung, Bong-Wook Park
A surgical approach involving the retromolar trigone, posterolateral maxilla, and pterygoid region is the most challenging in the field of maxillofacial surgery. The upper cheek flap (Weber-Ferguson incision) with subciliary extension and the maxillary swing approach have been considered as alternatives; however, neither approach provides sufficient exposure of the pterygoid region and the anterior portion of the mandibular ramus. In this report, we describe two cases in which a lower cheek flap approach was used for complete tumor resection in the retromolar trigone and the anterior mandibular ramus...
June 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28770155/skeletal-stability-following-mandibular-advancement-is-it-influenced-by-the-magnitude-of-advancement-or-changes-of-the-mandibular-plane-angle
#14
Reza Tabrizi, Mahsa Nili, Ehsan Aliabadi, Fereydoun Pourdanesh
OBJECTIVES: The aim of this study was to investigate the effects of advancement magnitude and changes in mandibular plane angle on the stability of mandibular advancement. MATERIALS AND METHODS: This retrospective cohort study evaluated the postoperative stability of mandibular advancement in class II skeletal subjects who underwent bilateral sagittal split osteotomy. Radiographs taken preoperatively, immediately postoperatively and 1 year postoperatively were traced and analyzed using linear and angular measurements...
June 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28764289/evaluation-of-donor-site-morbidity-associated-with-iliac-crest-bone-harvest-in-oral-and-maxillofacial-reconstructive-surgery
#15
K N V Sudhakar, Rajat Mohanty, Vaibhav Singh
INTRODUCTION: Iliac crest is the most common donor site for autogenous bone grafting as cortical bone, cancellous bone or combination of both can be harvested in abundance depending upon the need. Ilium provides highest concentration of osteo-component cells and greater quality of bone with less morbidity. AIM: The study was conducted to evaluate the donor site morbidity associated with autogenous iliac crest bone grafting for reconstruction in maxillofacial surgery...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28761644/an-extensive-swelling-in-the-anterior-mandible-a-case-report
#16
Nikhil M Kurien, L K Surej Kumar, P B Uma, V Vivek, Anna P Joseph
INTRODUCTION: Glandular odontogenic cyst is a rare developmental odontogenic cyst, which often pose a challenge to diagnose it clinically. PRESENTATION OF A CASE: A 32 year old female patient was referred to the oral and maxillofacial surgery department with a chief complaint of a painless swelling in the anterior mandible, extending from mandibular left premolar to right first molar region, with fluctuancy and egg shell crackling at right premolar region. The associated teeth were firm...
September 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28761272/efficacy-of-murva-sansevieria-roxburghiana-schult-and-schult-f-as-a-suture-material-in-closure-of-incisions-in-third-molar-surgeries-a-prospective-study
#17
Pravin Lambade, Ashutosh Thorat
INTRODUCTION: Adequate closure of the surgical wound is one of the most important aspects of surgery; improper suturing techniques or improper suturing materials sometimes compromise the success of surgery. Many synthetic materials have replaced the natural materials, which were once used for suturing in the ancient era, and Murva is one of them. There are references of Murva (Sansevieria roxburghiana Schult. and Schult.f.) at various contexts of "Sushruta Samhita" where it has been used as a suture material...
January 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28761271/a-comparative-clinical-evaluation-of-analgesic-efficacy-of-tapentadol-and-ketorolac-in-mandibular-third-molar-surgery
#18
Dixit Shah, Sanket Shah, Amit Mahajan, Navin Shah, Darshan Sanghvi, Rishabh Shah
INTRODUCTION: The surgical removal of impacted mandibular third molars is one of the most commonly performed dentoalveolar procedures in oral and maxillofacial surgery and is associated with varying degrees of postoperative discomfort. Pain, trismus, and swelling are the most common postoperative complaints, and these influence a patient's quality of life in the days after surgery. MATERIALS AND METHODS: A comparative study of the 32 patients, 16 were allocated to receive ketorolac and 16 patients were allocated to receive tapentadol...
January 2017: National Journal of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28760319/maxillomandibular-advancement-as-the-initial-treatment-of-obstructive-sleep-apnoea-is-the-mandibular-occlusal-plane-the-key
#19
P Rubio-Bueno, P Landete, B Ardanza, L Vázquez, J B Soriano, R Wix, A Capote, E Zamora, J Ancochea, L Naval-Gías
Maxillomandibular advancement (MMA) can be effective for managing obstructive sleep apnoea (OSA); however, limited information is available on the predictor surgical variables. This study investigated whether normalization of the mandibular occlusal plane (MOP) was a determinant factor in curing OSA. Patients with moderate or severe OSA who underwent MMA were evaluated by preoperative and postoperative three-dimensional (3D) scans and polysomnograms. The postoperative value of MOP and the magnitude of skeletal advancement were the predictor variables; change in the apnoea-hypopnoea index (AHI) was the main outcome variable...
July 28, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28760288/surgery-first-approach-in-correcting-skeletal-class-iii-malocclusion-with-mandibular-asymmetry
#20
Hyeon-Shik Hwang, Min-Hee Oh, Hee-Kyun Oh, Heesoo Oh
This case report describes a surgical orthodontic case that used the recently introduced surgery-first approach to correct a severe skeletal Class III malocclusion. A 19-year-old woman presented with severe mandibular prognathism and facial asymmetry; she had been waiting for growth completion in order to pursue surgical correction. After prediction of the postsurgical tooth movement and surgical simulation, 2-jaw surgery that included maxillary advancement and differential mandibular setback was performed using a surgery-first approach...
August 2017: American Journal of Orthodontics and Dentofacial Orthopedics
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