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Maxillomandibular

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https://www.readbyqxmd.com/read/28708651/locking-plate-system-versus-standard-plate-fixation-in-the-management-of-mandibular-fractures-meta-analysis-of-randomized-controlled-trials
#1
Patiguli Wusiman, Julaiti Tuerxun, Buhiliqiemu Yaolidaxi, Adili Moming
PURPOSE: The aim of this meta-analysis was to evaluate the efficacy of the 2.0-mm locking miniplate system in comparison with the standard miniplate system in treatment of mandible fractures. METHODS: A systematic review was conducted according to PRISMA guidelines, examining Medline-Ovid, Embase, and PubMed databases, eligible studies were restricted to comparative controlled trials. Inclusion criteria were based on humans randomized controlled trials, controlled clinical trials, with the aim of comparing 2 fixation techniques, namely locking miniplate and standard miniplate (nonlocking miniplate) techniques...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28706792/simultaneous-maxillomandibular-distraction-osteogenesis-in-hemifacial-microsomia-report-of-7-cases
#2
Divya Mehrotra, Debraj Howladar, Dichen P Bhutia
INTRODUCTION: The goal in treating Hemifacial microsomia (HFM) is to improve facial symmetry, allow functional jaw movement, obtain stable occlusion, and achieve patient satisfaction. This study was planned with an aim to assess the outcome of simultaneous maxillomandibular distraction osteogenesis in hemifacial microsomia. MATERIAL & METHODS: Seven patients with hemifacial microsomia were included in this study and demographic data was obtained. Simultaneous maxillo-mandibular distraction was planned for correction of maxillary cant, vertical ramal lengthening and midline, by performing unilateral mandibular osteotomy in ramus and distractor fixation, a Le Fort I osteotomy, with fixation at contralateral zygomatic buttress and intermaxillary elastics...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28684337/use-of-two-miniplates-to-achieve-intraoperative-maxillomandibular-fixation
#3
A Rai, A Jain, S Rasal
Various modalities are being used to achieve intraoperative maxillomandibular fixation. All these techniques have their own merits and demerits. This paper intends to propose a new technique to achieve intraoperative maxillomandibular fixation using two titanium miniplates. The technique proposed is simple, effective, less time consuming and less expensive.
July 3, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28684302/assessment-of-obstructive-sleep-apnoea-treatment-success-or-failure-after-maxillomandibular-advancement
#4
M H T de Ruiter, R C Apperloo, D M J Milstein, J de Lange
Maxillomandibular advancement (MMA) is an alternative therapeutic option that is highly effective for treating obstructive sleep apnoea (OSA). MMA provides a solution for OSA patients that have difficulty accepting lifelong treatments with continuous positive airway pressure or mandibular advancement devices. The goal of this study was to investigate the different characteristics that determine OSA treatment success/failure after MMA. The apnoea-hypopnoea index (AHI) was used to determine the success or failure of OSA treatment after MMA...
July 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28669444/long-term-influence-of-mandibular-advancement-on-the-volume-of-the-posterior-airway-in-skeletal-class-ii-patients-a-retrospective-analysis
#5
D Dalla Torre, D Burtscher, G Widmann, M Rasse, T Puelacher, W Puelacher
In the past, maxillomandibular advancement has resulted in considerable improvement in the volume of the posterior airway space. The objective of the present study was to find out how mandibular advancement without maxillary involvement would affect the posterior airway space in patients with mandibular retrognathism. Cone-beam computed tomographic (CT) scans were done for 20 patients before, and six months after, mandibular advancement. Cephalometric analysis at both time points included 2-dimensional and 3-dimensional assessment of the upper airway...
June 29, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28665848/change-in-posterior-pharyngeal-space-after-counterclockwise-rotational-orthognathic-surgery-for-class-ii-dentofacial-deformity-diagnosed-with-obstructive-sleep-apnea-based-on-cephalometric-analysis
#6
Woo Shik Jeong, Young Chul Kim, Yoo Sam Chung, Chang Yeol Lee, Jong Woo Choi
Although maxillomandibular advancement (MMA) is an orthognathic surgical procedure used to manage obstructive sleep apnea (OSA) in individuals who are noncompliant with continuous positive airway pressure therapy, simple MMA encounters problems in terms of aesthetic outcomes in Asian populations with preexisting dentoalveolar protrusion. Our current prospective investigation describes changes in posterior pharyngeal space and aesthetic outcomes after counterclockwise rotational orthognathic surgery, which is known to be quite difficult in terms of the maintenance of the skeletal stability in skeletal class II patients with OSA...
June 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28659977/facial-mobility-after-maxilla-mandibular-advancement-in-patients-with-severe-obstructive-sleep-apnea-syndrome-a-three-dimensional-study
#7
Laura Verzé, Francesca Antonella Bianchi, Niccolò Barla, Serena Maria Curti, Giovanni Gerbino, Guglielmo Amedeo Ramieri
Introduction. The functional results of surgery in terms of facial mobility are key elements in the treatment of patients. Little is actually known about changes in facial mobility following surgical treatment with maxillomandibular advancement (MMA). Objectives. The three-dimensional (3D) methods study of basic facial movements in typical OSAS patients treated with MMA was the topic of the present research. Materials and Methods. Ten patients affected by severe obstructive sleep apnea syndrome (OSAS) were engaged for the study...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28613054/-quantitative-evaluation-of-printing-accuracy-and-tissue-surface-adaptation-of-mandibular-complete-denture-polylactic-acid-pattern-fabricated-by-fused-deposition-modeling-technology
#8
K H Deng, Y Wang, H Chen, Y J Zhao, Y S Zhou, Y C Sun
Objective: To quantitatively evaluate the adaptation of polylactic acid (PLA) pattern of mandibular complete denture fabricated by fused deposition modeling (FDM) technology. Methods: A mandibular complete denture digital model was designed through a complete denture design software based on a pair of standard maxillomandibular edentulous plaster model and their occlusion bases. Ten PLA mandibular complete dentures were printed with a FDM machine. The dentures were scanned with and without the plaster model using a three-dimensional (3D) scanner...
June 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28591339/oral-motor-and-electromyographic-characterization-of-adults-with-facial-fractures-a-comparison-between-different-fracture-severities
#9
Amanda Pagliotto da Silva, Fernanda Chiarion Sassi, Endrigo Bastos, Nivaldo Alonso, Claudia Regina Furquim de Andrade
OBJECTIVES: To characterize the oral motor system of adults with facial injuries and to compare the oral motor performance/function between two different groups. METHODS: An observational, descriptive, cross-sectional study was conducted in 38 patients presenting with facial trauma who were assigned to the Division of Orofacial Myology of a Brazilian School Hospital. Patients were divided into two groups: Group 1 (G1) consisted of 19 patients who were submitted to open reduction of at least one facial fracture, and Group 2 (G2) consisted of 19 individuals who were submitted to closed fracture reduction with maxillomandibular fixation...
May 2017: Clinics
https://www.readbyqxmd.com/read/28576543/pycnodysostosis-at-otorhinolaryngology
#10
Tekin Baglam, Adem Binnetoglu, Muhammet Fatih Topuz, Nilay Baş Ikizoglu, Refika Ersu, Serap Turan, Murat Sarı
AIM: Pycnodysostosis is a rare autosomal, recessive, skeletal dysplasia caused by a mutation in the cathepsin k gene. Pycnodysostosis is characterized by short stature, characteristic facial appearance (delayed closure of fontanelles and cranial sutures, mandibular hypoplasia and angle disorder, blue sclera), and acroosteolysis of the distal phalanges. Our aim was to describe the otorhinolaryngologic findings, differential diagnoses, various treatment options, and followup in eight cases of pycnodysostosis...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28553749/mandibular-angle-fractures-treated-with-a-single-miniplate-without-postoperative-maxillomandibular-fixation-a-retrospective-evaluation-of-50-patients
#11
Paulo Domingos Ribeiro-Junior, Thessio Miná Vago, William Saranholi da Silva, Luis Eduardo Marques Padovan, Rodrigo Tiossi
OBJECTIVE: This retrospective study evaluated the use of a single miniplate for the treatment of mandibular angle fractures (MAF). METHODS: Fifty patients with 53 MAF were treated by open reduction and internal fixation with the use of a single miniplate and were analyzed in this study. RESULTS: Five patients with MAF had postoperative complications that required additional procedures. Three patients had postoperative infection, one patient complained of malocclusion in the first postoperative week, and one patient had miniplate exposure three months after surgery...
May 29, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28523243/maxillomandibular-arch-width-differences-at-estimated-centers-of-resistance-comparison-between-normal-occlusion-and-skeletal-class-iii-malocclusion
#12
Yun-Jin Koo, Sung-Hwan Choi, Byeong-Tak Keum, Hyung-Seog Yu, Chung-Ju Hwang, Birte Melsen, Kee-Joon Lee
OBJECTIVE: To evaluate the differences in maxillomandibular transverse measurements at either the crown or the estimated center of resistance (CR), and to compare values between normal occlusion and Class III malocclusion groups. METHODS: Dental casts and computed tomography (CT) data from 30 individuals with normal occlusion and 30 with skeletal Class III malocclusions were evaluated. Using the casts, dental arch widths (DAWs) were measured from the cusp tips, and basal arch widths (BAWs-cast) were measured as the distance between the points at the mucogingival junction adjacent to the respective cusp tips...
May 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28439152/intraosseous-leiomyoma-of-the-mandible-a-case-report-of-the-rare-entity-and-review-of-literature
#13
REVIEW
Kirti Chaudhry Dutt, Sukhvinder Bindra, Meenakshi Awana, Manjit Talwar, Gurvanit Lehl
INTRODUCTION: Leiomyoma is a rare tumor of smooth muscle origin with a very low incidence in the maxillofacial region. Intraosseous occurrence of oral leiomyoma is even rare with involvement of mandible followed by maxilla. AIM: The purpose of this paper is to present a case of intraosseous leiomyoma of the left mandibular angle region with the review of literature describing this rare entity. The paper also highlights the need to include this entity in differential diagnoses of jaw lesions...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28434895/the-use-of-endoprotheses-for-patients-with-complex-asymmetry-a-clinical-case-study
#14
Mónica Umana, Thierry Piral
Facial asymmetry requires multidisciplinary management. In some cases, predictable problems due to congenital abnormalities can be corrected by early orthodontic treatment. Orthodontics is nevertheless often part of an orthosurgical treatment plan. The solutions are conventional and familiar: maxillomandibular rotation osteotomy and genioplasty. Many cases can be treated in this way, but there is often persistent residual asymmetry due to loss of volume that is not corrected by these techniques. The use of maxillo-acial endoprostheses designed on the basis of three-dimensional craniofacial analyses can rebalance volumes simply and with due regard to the patient's anatomy...
April 20, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28417661/corrective-nasal-surgery-after-maxillomandibular-advancement-for-obstructive-sleep-apnea-experience-from-379-cases
#15
Stanley Yung-Chuan Liu, Pi-Jung Lee, Michael Awad, Robert W Riley, Soroush Zaghi
Objective Efficacy of maxillomandibular advancement (MMA) in the treatment of obstructive sleep apnea (OSA) is associated with degree of maxillary advancement. Large maxillary advancement leads to profound changes of the nasolabial region. We present the incidence and indications of post-MMA corrective nasal surgery in a large cohort. Study Design Case series with chart review. Setting University medical center. Subjects and Methods A total of 379 subjects with OSA underwent MMA at Stanford Hospital (surgeons: S...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28364903/long-term-follow-up-of-a-patient-with-achondroplasia-treated-with-an-orthodontic-approach
#16
Hiroyo Mori, Kazuma Matsumoto, Nobuhiko Kawai, Takashi Izawa, Shinya Horiuchi, Eiji Tanaka
We successfully treated a patient with achondroplasia with conventional orthodontic techniques. It was followed by long-term retention. The patient, a 12-year-old boy, had chief complaints of occlusal disturbance and mandibular protrusion. He had been diagnosed with achondroplasia and had growth hormone treatment in his early teenage years. His facial profile was concave with a bulging forehead and a retrognathic maxilla. It was characterized by a skeletal Class III jaw-base relationship with a retropositioned maxilla...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28364893/genetic-polymorphisms-underlying-the-skeletal-class-iii-phenotype
#17
Christiane Vasconcellos Cruz, Claudia Trindade Mattos, José Calasans Maia, José Mauro Granjeiro, Maria Fernanda Reis, José Nelson Mucha, Beatriz Vilella, Antonio Carlos Ruellas, Ronir Raggio Luiz, Marcelo Castro Costa, Alexandre Rezende Vieira
INTRODUCTION: Our goal was to verify the association between candidate polymorphisms and skeletal Class III malocclusion in a well-characterized homogeneous sample set. METHODS: Thirty-five single-nucleotide polymorphisms were studied from 10 candidate loci in 54 Class III subjects and 120 controls. Skeletal Class III characteristics included ANB angle less than 0°, SNB angle greater than 83° (mandibular prognathism), SNA angle less than 79° (maxillary deficiency), Class III molar relationship, and negative overjet...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28341950/frontal-changes-in-the-lower-face-after-clockwise-rotation-of-the-maxillomandibular-complex-without-perisurgical-orthodontic-treatment-in-angle-class-i-and-skeletal-class-iii-women
#18
Sang Woo Lee, Jeongmok Cho, Kikap Kim, Seung Hyun Ahn
BACKGROUND: Orthognathic surgery has become more popular to slenderize a wide lower face and to improve facial esthetics in Asian patients with normal occlusion. Clockwise rotation (CR) of the maxillomandibular complex (MMC) steepens the mandibular plane. This study performed a quantitative analysis on the influence of CR on slenderness of the lower face from the frontal view. PATIENTS AND METHODS: This retrospective study included 36 female patients with Angle Class I occlusion and skeletal Class III pattern...
March 24, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28341880/long-term-skeletal-and-dental-effects-of-facemask-versus-chincup-treatment-in-class-iii-patients-a-retrospective-study
#19
B Wendl, M Stampfl, A P Muchitsch, H Droschl, H Winsauer, A Walter, M Wendl, T Wendl
OBJECTIVES: To investigate the skeletal and dental changes during chincup versus facemask treatment, to compare the long-term effects of the two appliances, and to document the impact of each on treatment success. METHODS: In all, 61 patients with Class III syndrome were retrospectively analyzed at three examination times: 7.8 ± 1.7 years of age (T0, pretreatment), 9.6 ± 2.4 years of age (T1, posttreatment), and around 15-20 years later (T2, long-term follow-up)...
March 24, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28326708/-evaluation-of-electromyogram-activity-and-masticatory-efficiency-in-edentulous-individuals-whose-maxillomandibular-horizontal-relationship-records-were-obtained-with-three-different-methods
#20
Liu Cuiling, Yang Liyuan, Zheng Zheng, Gao Xu
OBJECTIVE: This study was performed to investigate the electromyographic (EMG) activity of the masseter muscle and the anterior temporalis muscle, as well as the masticatory efficiency after insertion of the dentures in edentulous individuals whose maxillomandibular horizontal relationship records were obtained with three different methods. METHODS: Ten edentulous individuals were enrolled in this study. Three types of complete dentures for these 10 edentulous patients were made according to their different maxillomandibular horizontal relationship records...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
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