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https://www.readbyqxmd.com/read/28913310/treatment-of-mandibular-angle-fractures
#1
REVIEW
Jung-Ho Lee
The management of mandibular angle fractures is often challenging and results in the highest complication rate among fractures of the mandible. In addition, the optimal treatment modality for angle fractures remains controversial. Traditional treatment protocols for angle fractures have involved rigid fixation with intraoperative maxillomandibular fixation (MMF) to ensure absolute stability. However, more recently, non-compression miniplates have gained in popularity and the use of absolute intraoperative MMF as an adjunct to internal fixation has become controversial...
June 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28879332/anesthetic-management-for-simultaneous-drug-induced-sleep-endoscopy-and-maxillomandibular-advancement-in-a-patient-with-obstructive-sleep-apnea
#2
Tae Seong Kuk, Eunsun So, Myong-Hwan Karm, Jimin Kim, Seong In Chi, Hyun Jeong Kim, Kwang-Suk Seo, Sung Woon On, Jin-Young Choi
Drug-induced sleep endoscopy (DISE) is used to identify areas of upper airway obstruction, which occurs when patients with obstructive sleep apnea (OSA) snore. DISE enables effective diagnosis and appropriate treatment of the obstruction site. Among surgical treatment methods for OSA, maxillomandibular advancement surgery (MMA) is performed to move a jaw forward; the surgery has a high success rate for OSA treatment. In DISE, anesthetics such as propofol and midazolam must be administered to induce snoring while the patient is deeply sedated for an accurate diagnosis to be made...
March 2017: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/28867598/intracranial-and-hierarchical-perspective-on-dietary-plasticity-in-mammals
#3
Erin M Franks, Jeremiah E Scott, Kevin R McAbee, Joseph P Scollan, Meghan M Eastman, Matthew J Ravosa
The effect of dietary properties on craniofacial form has been the focus of numerous functional studies, with increasingly more work dedicated to the importance of phenotypic plasticity. As bone is a dynamic tissue, morphological variation related to differential loading is well established for many masticatory structures. However, the adaptive osteogenic response of several cranial sites across multiple levels of bony organization remains to be investigated. Here, rabbits were obtained at weaning and raised for 48 weeks until adulthood in order to address the naturalistic influence of altered loading on the long-term development of masticatory and non-masticatory elements...
March 16, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28865605/three-dimensional-versus-standard-miniplate-fixation-in-the-management-of-mandibular-fractures-a-meta-analysis-of-randomized-controlled-trials
#4
Kubila Silajiding, Patiguli Wusiman, Bilikezi Yusufu, Adili Moming
The aim of this meta-analysis is to evaluate the efficacy of the 3-dimensional miniplate system in comparison with the standard miniplate system for the treatment of mandibular fractures (MFs). A systematic review was conducted according to PRISMA guidelines, examining Medline-Ovid, Embase, and PubMed databases. The primary search objective was to identify all papers reporting the results of randomized control trials (RCTs) for the treatment of adults with mandibular fractures, with the aim of comparing the different techniques...
September 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28861393/stability-of-dental-alveolar-and-skeletal-changes-after-miniscrew-assisted-rapid-palatal-expansion
#5
Hyun-Mook Lim, Young-Chel Park, Kee-Joon Lee, Kyung-Ho Kim, Yoon Jeong Choi
OBJECTIVE: Miniscrew-assisted rapid palatal expansion (MARPE) is a means for expanding the basal bone without surgical intervention in young adults. Here, we assessed the differences in dental, alveolar, and skeletal measurements taken before (T0), immediately after (T1), and 1 year after (T2) MARPE. METHODS: Twenty-four patients (mean age, 21.6 years) who had undergone MARPE and cone-beam computed tomography at T0, T1, and T2 were included. Changes in the following parameters were compared using paired t-tests: intercusp, interapex, alveolar, nasal floor, and nasal cavity widths; inclination of the first molar (M1) and its alveolus; and thickness and height of the alveolar bone...
September 2017: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/28843406/do-patients-with-malocclusion-have-a-higher-prevalence-of-temporomandibular-disorders-than-controls-both-before-and-after-orthognathic-surgery-a-systematic-review-and-meta-analysis
#6
Essam Ahmed Al-Moraissi, Daniel Perez, Edward Ellis
PURPOSE: The aim of this study was to identify, through meta-analysis, whether patients who require orthognathic surgery have a higher prevalence of temporomandibular disorders (TMDs) than controls, both before treatment and after. MATERIAL AND METHODS: A systematic review and meta-analysis were conducted based on PRISMA guidelines, to address the study purposes. A search of major databases through PubMed, EMBASE, and Cochrane CENTRAL was performed to locate all pertinent articles published from inception to June 2016...
July 29, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28834052/incidence-of-obstructive-sleep-apnea-in-elderly-edentulous-patients-and-the-possible-correlation-of-serum-serotonin-and-apnea-hypopnea-index
#7
Arvind Tripathi, Soumyojeet Bagchi, Juhi Singh, Suryakant Tripathi, Narendra Kumar Gupta, Varun Arora
PURPOSE: To estimate the incidence of obstructive sleep apnea (OSA) in elderly edentulous patients (aged 60-65 years) and investigate a correlation of serum serotonin levels with the apnea-hypopnea index (AHI), respiratory effort-related arousal (RERA), and respiratory disturbance index (RDI). MATERIALS AND METHODS: 381 elderly completely edentulous patients (307 male, 74 female) aged 60 to 65 years with a history of edentulism of 12 to 15 months, seeking oral rehabilitation at the prosthodontic clinic at Saraswati Dental College & Hospital, Lucknow, India, between January 2014 and January 2016 were enrolled for the present study...
August 21, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28815893/the-facial-morphology-in-down-syndrome-a-3d-comparison-of-patients-with-and-without-obstructive-sleep-apnea
#8
Yasas S N Jayaratne, Ibrahim Elsharkawi, Eric A Macklin, Lauren Voelz, Gil Weintraub, Dennis Rosen, Brian G Skotko
Obstructive sleep apnea (OSA) occurs at a high prevalence in patients with Down syndrome (DS). A polysomnogram, which is often cumbersome and challenging, remains the gold standard method of diagnosing OSA. OSA in patients with DS is often attributed to skeletal and soft-tissue structural alterations that are characteristic of the DS phenotype; as such, we hypothesized that assessing anthropometric facial measurements may be predictive of OSA in patients with DS. We used the 3dMDface sterophotography system to capture and create 3D facial images, and we subsequently identified facial landmarks using a single, experienced investigator and utilizing proprietary software to calculate inter-landmark distances and angles...
August 17, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28803737/cone-beam-computed-tomography-based-cephalometric-norms-for-brazilian-adults
#9
R M G Santos, J M De Martino, F Haiter Neto, L A Passeri
This study established cone beam computed tomography (CBCT)-based cephalometric norms for Brazilian adults, including the assessment of sexual dimorphism. An observer performed McNamara's cephalometric analysis twice on 60 CBCT datasets acquired from patients with a normal dental occlusion, divided equally into two groups by sex. Welch's t-test was applied to assess differences between the sexes in hard tissue cephalometric measurements, and Dahlberg's formula was used to calculate measurement error introduced by the observer...
August 10, 2017: International Journal of Oral and 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
#10
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/28751942/treatment-of-mandibular-angle-fractures-with-single-three-dimensional-locking-miniplates-without-maxillomandibular-fixation-how-much-fixation-is-required
#11
Sanjay Rastogi, Sam Paul, Sumedha Kukreja, Karun Aggarwal, Rupshikha Choudhury, Amit Bhugra, Niranjana Prasad Indra B, Moazzam Jawaid
The aim of this simple nonrandomized and observational study was to evaluate the efficacy of single three-dimensional (3D) plate for the treatment of mandibular angle fractures without maxillomandibular fixation. A total of 30 patients with noncomminuted fractures of mandibular angle requiring open reduction and internal fixation were included in the study. All the patients were treated by open reduction and internal fixation using single 3D titanium locking miniplate placed with the help of transbuccal trocar or Synthes 90-degree hand piece and screw driver...
September 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28751184/restoration-of-sleep-architecture-after-maxillomandibular-advancement-success-beyond-the-apnea-hypopnea-index
#12
S Y-C Liu, L-K Huon, C Ruoff, R W Riley, K P Strohl, Z Peng
While effects of maxillomandibular advancement (MMA) on respiratory parameters for patients with obstructive sleep apnea (OSA) are well described, effects on sleep architecture before and after MMA are not. A retrospective cohort analysis on sleep architecture was examined in 10 OSA patients who underwent MMA surgery between July 2013 and November 2014, and had prespecified complete polysomnography (PSG) datasets. Sleep stages were examined relative to a Western European population-based control group. All of the respiratory parameters improved significantly post MMA...
July 24, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28749983/how-does-mandibular-advancement-with-or-without-maxillary-procedures-affect-pharyngeal-airways-an-overview-of-systematic-reviews
#13
Su Keng Tan, Wai Keung Leung, Alexander Tin Hong Tang, Roger A Zwahlen
BACKGROUND: Mandibular advancement surgery may positively affect pharyngeal airways and therefore potentially beneficial to obstructive sleep apnea (OSA). OBJECTIVE: To collect evidence from published systematic reviews that have evaluated pharyngeal airway changes related to mandibular advancement with or without maxillary procedures. METHODOLOGY: PubMed, EMBASE, Web of Science, and Cochrane Library were searched without limiting language or timeline...
2017: PloS One
https://www.readbyqxmd.com/read/28743605/three-dimensional-analysis-of-the-pharyngeal-airway-space-and-hyoid-bone-position-after-orthognathic-surgery
#14
Amanda Lury Yamashita, Liogi Iwaki Filho, Pablo Cornélius Comelli Leite, Ricardo de Lima Navarro, Adilson Luiz Ramos, Isolde Terezinha Santos Previdelli, Matheus Henrique Dal Molin Ribeiro, Lilian Cristina Vessoni Iwaki
PURPOSE: The aim of this study was to evaluate changes in the pharyngeal airway space (PAS) and hyoid bone position after orthognathic surgery with cone-beam computed tomography (CBCT). MATERIAL AND METHODS: This study was conducted with the tomographic records of 30 patients with skeletal class II or III deformities submitted to two different types of orthognathic surgery: Group 1 (n = 15), maxillary advancement, and mandibular setback; and Group 2 (n = 15), maxillomandibular advancement...
September 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28738893/anaphylaxis-with-delayed-appearance-of-skin-manifestations-during-general-anesthesia-two-case-reports
#15
Hiroshi Hanamoto, Fumi Kozu, Aiko Oyamaguchi, Mika Inoue, Chizuko Yokoe, Hitoshi Niwa
BACKGROUND: Anaphylaxis is difficult to diagnose in the absence of skin or mucosal signs and symptoms. We report two cases of anaphylaxis under general anesthesia, in which the initial presentation was in the form of respiratory signs, followed by skin manifestations 10-15 min later. Diagnosis of anaphylaxis was delayed because skin symptoms were absent early on in the presentation. CASE PRESENTATION: In the first case, a 23-year-old male patient with jaw deformity was scheduled to undergo maxillary alveolar osteotomy...
July 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28738365/advances-in-box-surgery-for-obstructive-sleep-apnea-genioglossus-advancement-hyoid-suspension-and-maxillomandibular-advancement
#16
Yau Hong Goh, Winston Tan, Victor James Abdullah, Sung Wan Kim
Box surgery for obstructive sleep apnea (OSA) patients consists of mandibular surgery, including genioglossus advancement, hyoid suspension, and maxillomandibular advancement, as an airway reconstruction. This surgery was developed in the early 1980s. Thereafter, techniques were modified in each surgery for the enhancement of outcome and prevention of complications. However, the indication for surgery remains poorly defined due to the dynamicity of the upper airway, variability of the phenotype in OSA patients, and absence of a representative method for the obstruction site in the upper airway...
2017: Advances in Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28736115/three-dimensional-volumetric-changes-in-the-upper-airway-after-maxillomandibular-advancement-in-obstructive-sleep-apnoea-patients-and-the-impact-on-quality-of-life
#17
B Veys, L Pottel, W Mollemans, J Abeloos, G Swennen, N Neyt
Obstructive sleep apnoea (OSA) is a sleep-related breathing disorder, characterized by repetitive airway obstructions, causing disruptive snoring and daytime sleepiness. Maxillomandibular advancement (MMA), which enlarges the upper airway, is a therapeutic surgical approach. However, no study has performed an upper airway sub-region analysis using validated three-dimensional (3D) anatomical and technical limits on cone beam computed tomography (CBCT). Hence, this prospective, observational trial was performed to evaluate 3D volumetric changes in the upper airway according to validated 3D cephalometric landmarks, before and after MMA, for all patients with a polysomnography diagnosis of OSA (apnoea-hypopnoea index (AHI) ≥5)...
July 20, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28728709/counterclockwise-maxillomandibular-advancement-surgery-and-disc-repositioning-can-condylar-remodeling-in-the-long-term-follow-up-be-predicted
#18
L R Gomes, L H Cevidanes, M R Gomes, A C Ruellas, D P Ryan, B Paniagua, L M Wolford, J R Gonçalves
This study investigated predictive risk factors of condylar remodeling changes after counterclockwise maxillomandibular advancement (CCW-MMA) and disc repositioning surgery. Forty-one female patients (75 condyles) treated with CCW-MMA and disc repositioning had cone beam computed tomography (CBCT) scans taken pre-surgery, immediately after surgery, and at an average 16 months post-surgery. Pre- and post-surgical three-dimensional models were superimposed using automated voxel-based registration on the cranial base to evaluate condylar displacements after surgery...
July 17, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28727652/surgical-emphysema-following-canalplasty-for-aural-exostoses
#19
Michael C Baxter, Matthew Keller, Anil Shah, Sean Wise
OBJECTIVE: To describe the presentation and management of surgical emphysema involving the temporomandibular joint and deep neck following exostoses removal. PATIENT: A 60-year-old male surfer presented with hearing loss and recurrent infections in the right ear. An examination revealed obstructing bony exostoses in the right external auditory canal. He underwent right canalplasty using a postauricular approach. At 5 weeks after surgery, he presented with right otalgia, swelling of the right face and neck, and complaints of a squeaking noise in the right ear with mandibular excursions...
September 2017: Otology & Neurotology
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
#20
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...
September 2017: Journal of Craniofacial Surgery
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