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https://read.qxmd.com/read/30714306/the-effect-of-the-mandibular-plane-angle-on-fracture-line-stability-an-ex-vivo-experimental-study
#1
Muhammed Ben Said, Senem Yildirimturk, Yigit Sirin
BACKGROUND/AIMS: The mandibular angle fractures fixated with plate osteosynthesis techniques have to withstand the effects of muscle attachments. The individual variations in the cranio-facial morphology may alter the biomechanical resistance of the bone-plate construct. The aim of the present study was to determine the influence of variations in the mandibular plane angle (MPa) on the biomechanical stability of sheep mandibular angle fractures (MAFs). MATERIALS AND METHODS: Sixty sheep hemi-mandibles were used in this study...
February 3, 2019: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://read.qxmd.com/read/30684911/a-singular-case-of-advanced-caries-sicca-in-a-pre-columbian-skull-from-east-tennessee
#2
Tracy K Betsinger, Maria O Smith
OBJECTIVE: Documentation of an advanced case of tertiary stage treponemal disease. MATERIALS: The well-preserved cranium and mandible of an adult male (Burial G) from the Early Woodland period (900 BCE-200 CE) Wilhoite site (40GN10) from east Tennessee. METHODS: Macroscopic examination of the cranio-facial periostosis on Burial G for pathognomonic indicators of treponemal disease. RESULTS: There are extensive contiguous nodular lesions on the frontal, parietals, temporals, and occipital bones...
January 23, 2019: International Journal of Paleopathology
https://read.qxmd.com/read/30681240/teaching-of-forensic-odontology-in-basic-dental-programs-in-nine-australian-dental-schools-a-survey
#3
Alistair Soon, Jeremy Graham, Richard Bassed
PURPOSE: The aim of this survey was to determine whether forensic odontology forms part of the basic dental program in the nine Australian dental schools, which aspects of forensic odontology were taught, and the barriers and issues that prevent forensic odontology being part of any dental curriculum. The survey also examines the teaching of cranio-facial anatomy and dental record keeping, as these two subjects can play an important role in clinical forensic odontology. MATERIALS AND METHODS: STUDY DESIGN AND PARTICIPANTS: A postal questionnaire survey on the teaching of forensic odontology was conducted between November 2016 to April 2017, being sent to the dean of school, head of school, or acting head of school, each representing the nine Australian dental schools...
January 25, 2019: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://read.qxmd.com/read/30674073/mouse-wnt1-cre-rosa-tomato-dental-pulp-stem-cells-directly-contribute-to-the-calvarial-bone-regeneration-process
#4
Anne-Margaux Collignon, Gabriel Castillo-Dali, Eduardo Gomez, Thomas Guilbert, Julie Lesieur, Antonino Nicoletti, Soledad Acuna-Mendoza, Didier Letourneur, Catherine Chaussain, Gael Y Rochefort, Anne Poliard
Stem cells endowed with skeletogenic potentials seeded in specific scaffolds are considered attractive tissue engineering strategies for treating large bone defects. In the context of cranio-facial bone, mesenchymal stromal/stem cells derived from the dental pulp (DPSCs) have demonstrated significant osteogenic properties. Their neural crest embryonic origin further makes them a potential accessible therapeutic tool to repair cranio-facial bone. The stem cell's direct involvement in the repair process versus a paracrine effect is however still discussed...
January 23, 2019: Stem Cells
https://read.qxmd.com/read/30593885/oro-dental-and-cranio-facial-characteristics-of-osteogenesis-imperfecta-type-v
#5
Jean-Marc Retrouvey, Doaa Taqi, Faleh Tamimi, Didem Dagdeviren, Francis H Glorieux, Brendan Lee, Renna Hazboun, Deborah Krakow, V Reid Sutton
Osteogenesis imperfecta (OI) type V is an ultrarare heritable bone disorder caused by the heterozygous c.-14C > T mutation in IFITM5. The oro-dental and craniofacial phenotype has not been described in detail, which we therefore undertook to evaluate in a multicenter study (Brittle Bone Disease Consortium). Fourteen individuals with OI type V (age 3-50 years; 10 females, 4 males) underwent dental and craniofacial assessment. None of the individuals had dentinogenesis imperfecta. Six of the 9 study participants (66%) for whom panoramic radiographs were obtained had at least one missing tooth (range 1-9)...
December 26, 2018: European Journal of Medical Genetics
https://read.qxmd.com/read/30506297/styloid-stylohyoid-syndrome-a-rare-cause-of-cranio-facial-pain-a-retrospective-case-series-of-12-patients
#6
Anson Jose, Saurabh Arya, Shakil Ahmed Nagori, Indranil Deb Roy, Omesh Tokas
PURPOSE: Elongated styloid process results in severe cranio-facial/cervico-facial pain. The purpose of this study is to determine the efficacy of treatment outcomes using transcervical approach in the management of styloid-stylohyoid syndrome/styloid syndrome. STUDY DESIGN: This is a retrospective cohort study. Subjects were enrolled from out-patient clinics reporting between the periods Jan 2016-Jan 2018. METHODS & METHODS: Twelve patients diagnosed with styloid syndrome based on history, thorough clinical workup, and assessment were included in the study...
November 30, 2018: Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30391617/intracranial-actinomycosis-presenting-as-a-parenchymal-mass-lesion-a-case-report-and-review-of-literature
#7
Ajit Mishra, A R Prabhuraj, Dhananjay Bhat, B N Nandeesh, Radhika Mhatre
BACKGROUND: Intracranial actinomycosis is rare bacterial infection without any characteristic clinical or radiological diagnostic features. Usual presentation is like pyogenic brain abscess, osteomyelitis with or without pachymeningitis and rarely as a parenchymal mass lesion. High index of suspicion should be kept in a patient with immunosuppression or predisposing factors like dental procedure, sinusitis, cardiac septal defects, cranio-facial trauma, cranial surgery, lung or abdomino-pelvic infection...
October 31, 2018: World Neurosurgery
https://read.qxmd.com/read/30118614/measurement-of-intra-orbital-structures-in-normal-chinese-adults-based-on-a-three-dimensional-coordinate-system
#8
Yongrong Ji, Changxin Lai, Lixu Gu, Xianqun Fan
PURPOSE OF THE STUDY: This study was to establish a three-dimensional (3D) coordinate system and to study the normal dimensions of intra-orbital structures in Chinese adults. MATERIALS AND METHODS: One hundred and forty-five adult Chinese were selected from patients who had undergone cranio-facial computed tomography scans with diagnosis other than orbital or ocular abnormality. An orbital 3D coordinate system was built on the basis of the scans. Morphological variables of intra-orbital structures were measured in this coordinate system...
August 17, 2018: Current Eye Research
https://read.qxmd.com/read/30114514/bone-and-parietal-anterior-iliac-crest-reconstruction-for-trans-iliac-hernia-after-tricortical-graft-harvesting-an-original-technique
#9
Matthieu Malatray, Turki Al Qahtani, Olivier Monneuse, Vincent Pibarot, Julien Wegrzyn
Tricortical cortico-cancellous bone allografts from the anterior iliac crest are routinely used in revision arthroplasty and to treat non-union. Trans-iliac herniation (TIH) has been reported as an exceptional complication after extensive graft harvesting. The various reconstruction techniques include isolated parietal reconstruction and combined parietal and bone reconstruction using allografts or a spacer to reconstruct the bone defect. No previous study has evaluated a combined reconstruction technique involving both bone reconstruction with a titanium plate and abdominal wall reconstruction with a parietal reinforcement prosthesis...
November 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://read.qxmd.com/read/30082161/mucosal-melanoma-of-the-cranio-facial-region-surgical-challenges-and-therapeutic-options
#10
Julia Thierauf, Anna-Maria Glück, Peter Plinkert, Johannes A Veit, Thomas K Hoffmann, Andreas Körber, Christoph Bergmann
No abstract text is available yet for this article.
August 3, 2018: Auris, Nasus, Larynx
https://read.qxmd.com/read/30040616/-diagnostic-and-therapeutic-interest-of-studying-the-nose-in-maxillo-dento-facial-orthopedics
#11
Jean-Michel Salagnac
INTRODUCTION: Orthodontists have long tried to predict future growth. It is one of the most difficult goals to achieve precisely despite the different methods of growth forecasting. A simple technique based on clinical and radiological analyses of the nose and premaxilla makes it possible, using no measurements, to accurately predict future maxillary growth and to deduce the therapeutic indications. A morphologic study of the nose is also an important item in the diagnosis of cranio-facial syndromes...
June 2018: L' Orthodontie Française
https://read.qxmd.com/read/29967562/eagle-s-syndrome-from-clinical-presentation-to-diagnosis-and-surgical-treatment-a-case-report
#12
S Saccomanno, F Greco, E DE Corso, D Lucidi, R Deli, A D'Addona, G Paludetti
Eagle's syndrome is a condition associated with the elongation of the styloid process or calcification of the stylohyoid ligament, clinically characterised by throat and neck pain, radiating into the ear. In this report, we describe the case of a 60-year-old woman who presented with a severe unilateral trigeminal and glossopharyngeal neuralgia. The patient was subjected to conservative therapy for four months and did not report improvement of the symptoms. After several consultations with different physicians, a diagnosis was accomplished by radiological investigation (multidetector computer tomography with multi-planar reconstructions and 3D volumetric reconstructions)...
April 2018: Acta Otorhinolaryngologica Italica
https://read.qxmd.com/read/29859820/fibrous-dysplasia-imitating-malignancy
#13
Markus Martini, Anne Klausing, Nils Heim, Hans-Peter Fischer, Alexandra Sommer, Rudolf Hermann Reich
Fibrous dysplasia is a benign bone disease, presenting as monostotic or polyostotic lesions, or as part of a syndrome (McCune-Albright/Mazabraud). Its clinical course shows a variegated picture and the progression of its growth is unpredictable. In the workup of 39 fibrous dysplasia cases in the cranio-facial area, four cases presented fast growth tendencies, of which two patients with McCune-Albright syndrome showed malignant-like rapid growth. This local aggressive form is extremely rare, and the concept of this issue has not been clearly defined...
August 2018: Journal of Cranio-maxillo-facial Surgery
https://read.qxmd.com/read/29772691/periodontal-tissues-maxillary-jaw-bone-and-tooth-regeneration-approaches-from-animal-models-analyses-to-clinical-applications
#14
REVIEW
Fareeha Batool, Marion Strub, Catherine Petit, Isaac Maximiliano Bugueno, Fabien Bornert, François Clauss, Olivier Huck, Sabine Kuchler-Bopp, Nadia Benkirane-Jessel
This review encompasses different pre-clinical bioengineering approaches for periodontal tissues, maxillary jaw bone, and the entire tooth. Moreover, it sheds light on their potential clinical therapeutic applications in the field of regenerative medicine. Herein, the electrospinning method for the synthesis of polycaprolactone (PCL) membranes, that are capable of mimicking the extracellular matrix (ECM), has been described. Furthermore, their functionalization with cyclosporine A (CsA), bone morphogenetic protein-2 (BMP-2), or anti-inflammatory drugs' nanoreservoirs has been demonstrated to induce a localized and targeted action of these molecules after implantation in the maxillary jaw bone...
May 16, 2018: Nanomaterials
https://read.qxmd.com/read/29745623/the-role-of-intraoperative-stroke-volume-variation-on-bleeding-during-functional-endoscopic-sinus-surgery
#15
Roberta Di Mauro, Fabiana Lucci, Federica Martino, Maria B Silvi, Eleonora Gidaro, Santo Di Lorenzo, Nicola Toschi, Stefano Di Girolamo, Mario Dauri
BACKGROUND: Functional endoscopic sinus surgery (FESS) is a minimally-invasive surgical technique for patients with paranasal sinus pathology. Surgical bleeding reduces operative field visibility and increases the incidence of serious complications. Epinephrine injection into the nasal mucosa and controlled hypotension are used to minimize bleeding. Hypotension carries risks and sometimes does not reduce surgical bleeding. The goal of this study is to discover which hemodynamic parameter better correlates with surgical bleeding...
November 2018: Minerva Anestesiologica
https://read.qxmd.com/read/29731941/an-anthropometric-study-of-cranio-facial-measurements-and-their-correlation-with-vertical-dimension-of-occlusion-among-saudi-arabian-subpopulations
#16
REVIEW
Muhammed Irfan Majeed, Satheesh B Haralur, Muhammed Farhan Khan, Maram Awdah Al Ahmari, Nourah Falah Al Shahrani, Sharaz Shaik
BACKGROUND: Determining and restoring physiological vertical dimension of occlusion (VDO) is the critical step during complete mouth rehabilitation. The improper VDO compromises the aesthetics, phonetics and functional efficiency of the prosthesis. Various methods are suggested to determine the accurate VDO, including the facial measurements in the clinical situations with no pre-extraction records. The generalisation of correlation between the facial measurements to VDO is criticised due to gender dimorphism and racial differences...
April 15, 2018: Open Access Macedonian Journal of Medical Sciences
https://read.qxmd.com/read/29716177/contouring-of-zygomatic-soft-tissue-using-bilateral-free-groin-flaps-in-a-treacher-collins-syndrome-patient
#17
Jae-Woo Heo, Ung Sik Jin
Treacher Collins syndrome is a congenital disorder that is characterized with a wide range of cranio-facial deformities. Zygomatic hypoplasia or aplasia is one of the key features, and surgical reconstruction of the consequent depression on the zygomatic area is deemed necessary by many patients. Various surgical options are available-injectables, alloplastic materials, autologous grafting, and autogenous tissue transfer. It depends on each patient which technique to use. Here, we present a clinical case, in which bilateral free groin flaps were adopted in attempt to resolve the remnant aesthetic deformity associated with zygomatic depression, despite a series of previous surgical efforts, in a 25-year-old Treacher Collins syndrome male patient...
June 2018: Archives of Craniofacial Surgery
https://read.qxmd.com/read/29477026/a-case-series-of-closed-head-trauma-with-pituitary-stalk-disruption-resulting-in-hypopituitarism
#18
Khuram Khan, Saqib Saeed, Alexius Ramcharan, Sanjiv Gray
INTRODUCTION: Traumatic brain injury (TBI) is one of the main causes of morbidity and mortality in young trauma patients with resultant multi-organ effects. Hypopituitarism following TBI can be debilitating and life threatening. TBI which causes hypopituitarism may be characterized by a single head injury, such as from a motor vehicle accident, or by chronic repetitive head trauma, as seen in combative supports including boxing, kick-boxing, and football. In the majority of cases, a diagnosis of hypopituitarism can be entirely missed resulting in severe neuro-endocrine dysfunction...
2018: International Journal of Surgery Case Reports
https://read.qxmd.com/read/29447888/pathogenesis-of-chronic-rhinosinusitis-in-patients-affected-by-%C3%AE-thalassemia-major-and-sickle-cell-anaemia-post-allogenic-bone-marrow-transplant
#19
F Martino, R Di Mauro, K Paciaroni, J Gaziev, C Alfieri, L Greco, R Floris, S Di Girolamo, M Di Girolamo
OBJECTIVES: Sickle cell anemia (SCA) and β -thalassemia major are well-recognized beta-globin gene disorders of red blood cells associated to mortality and morbidity included bone morbidities due to ineffective erythropoiesis and bone marrow expansion, which affect every part of the skeleton. While there are an abundance of described disease manifestations of the head and neck, the manner of paranasal sinuses involvement and its relations to β-thalassemia and SCA process was not studied yet...
March 2018: International Journal of Pediatric Otorhinolaryngology
https://read.qxmd.com/read/29439412/congenital-vomer-agenesis-a-rare-and-poorly-understood-condition-revealed-by-cone-beam-ct
#20
David Jun Yan, Vincent Lenoir, Sibylle Chatelain, Salvatore Stefanelli, Minerva Becker
Isolated congenital vomer agenesis is a very rare and poorly understood condition. In the context of dental work-up by cone-beam computed tomography (CBCT), the explored volume of the facial bones occasionally reveals incidental abnormalities. We report the case of a 13-year old Caucasian female who underwent CBCT for the pre-treatment evaluation of primary failure of tooth eruption affecting the permanent right upper and inferior molars. CBCT depicted a large defect of the postero-inferior part of the nasal septum without associated soft tissue abnormality and without cranio-facial malformation or cleft palate...
February 10, 2018: Diagnostics
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