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Jaehoon Choi, Sang Woo Park, Junhyung Kim, Jeongseob Park, Jun Sik Kim
INTRODUCTION: The purpose of this study was to compare the strength of the relationships between predictors and late-onset enophthalmos in medial and inferior orbital wall fractures and to determine the most significant predictive factor of enophthalmos in medial or inferior orbital wall fracture. METHODS: Sixty-three adult patients with unilateral medial or inferior orbital wall fracture who had been left untreated for more than two months were enrolled in this study...
September 7, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
Ethan L Fulwood, Doug M Boyer, Richard F Kay
The pterion, on the lateral aspect of the cranium, is where the zygomatic, frontal, sphenoid, squamosal, and parietal bones approach and contact. The configuration of these bones distinguishes New and Old World anthropoids: most extant platyrrhines exhibit contact between the parietal and zygomatic bones, while all known catarrhines exhibit frontal-alisphenoid contact. However, it is thought that early stem-platyrrhines retained the apparently primitive catarrhine condition. Here we re-evaluate the condition of key fossil taxa using μCT (micro-computed tomography) imaging...
November 2016: Journal of Human Evolution
Jamie Y Kim, Chung H Kau, Terpsithea Christou, Maja Ovsenik, Young Guk Park
: The purpose of this study is to compare 3-dimensional facial averages of Asians (Koreans and Chinese) and Houstonian white faces using a (3-dimensional) surface imaging system. METHODS: Three-dimensional images of Korean adults (Seoul, Korea) with class I malocclusion captured using the 3dMDface. The images of 138 Koreans were processed to generate average male and female facial shells using Rapidform 2006 plus pack 2 software and then superimposed and compared with the average shells of Chinese adults (Xi' An, China) and white adults (Houston, Tex...
September 2016: Plastic and Reconstructive Surgery. Global Open
Shintaro Sukegawa, Takahiro Kanno, Daiki Nagano, Akane Shibata, Yuka Sukegawa-Takahashi, Yoshihiko Furuki
INTRODUCTION: In recent years, bioresorbable plates have undergone remarkable development. However, there has been no attendant improvement in their strength, because strength requires thickness, and complications such as palpability are related to the thickness of bioresorbable plate systems. In this clinical study, we compared the surgical management of zygomatic fractures using newly developed thinner bioresorbable materials or conventional titanium miniplates. METHODS: Twelve patients with zygomatic fractures were randomly divided equally into 2 groups (6 with new bioresorbable osteosynthesis materials and 6 with standard titanium miniplates)...
October 14, 2016: Journal of Craniofacial Surgery
Juliana Dreyer da Silva de Menezes, Lucas Borin Moura, Renato Parsekian Martins, Eduardo Hochuli-Vieira
Porous polyethylene implants have been used as an alternative in the treatment of patients with zygomatic and paranasal projections deficiency. These implants promote a facial rejuvenating effect due to the attenuation of the nasal and chin prominences. The advantages of porous polyethylene include biocompatibility, dimensional stability, easy adaptation and fixation, low complication rate, and its availability in different sizes and shapes. A 27-year-old woman presenting vertical deficiency associated with midface hypoplasia was treated with orthognathic surgery...
October 14, 2016: Journal of Craniofacial Surgery
Pâmela Letícia Dos Santos, Gustavo Henrique Souza Silva, Fernanda Rayssa Da Silva Pereira, Raquel Damazia da Silva, Mirella Lindoso Gomes Campos, Thiago Borges Mattos, Jéssica Lemos Gulinelli
As life expectancy increases, a larger number of elderly people require dental health care attention for implant-supported rehabilitation, with the aim of restoring the function and aesthetics of the oral cavity. Most of these patients have lost their teeth long time ago, causing a severe bone resorption and maxillary sinus pneumatization. Therefore, the current study aims to demonstrate, through the description of the clinical case, the treatment with zygomatic implants as an option for treating severely atrophic maxillas...
October 14, 2016: Journal of Craniofacial Surgery
Ashraf Raslan, Gerd Fabian Volk, Martin Möller, Vincent Stark, Nikolas Eckhardt, Orlando Guntinas-Lichius
OBJECTIVES/HYPOTHESIS: To examine by intraoperative electric stimulation which peripheral facial nerve (FN) branches are functionally connected to which facial muscle functions. STUDY DESIGN: Single-center prospective clinical study. METHODS: Seven patients whose peripheral FN branching was exposed during parotidectomy under FN monitoring received a systematic electrostimulation of each branch starting with 0.1 mA and stepwise increase to 2 mA with a frequency of 3 Hz...
October 18, 2016: Laryngoscope
Satoshi Kushida, Natsuko Kakudo, Kenji Kusumoto
INTRODUCTION: In patients with habitual dislocation of the temporomandibular joint, anterior dislocation readily occurs with mouth opening in the normal range. METHODS: This short paper describes our novel procedure, modified zygomatic arch osteotomy reported by LeClerc et al., with oblique osteotomy to create a V-shaped notch at the tip for more accurate locking. CONCLUSION: The technique obtained favorable results without the recurrence of TMJ dislocation...
September 2016: Journal of Maxillofacial and Oral Surgery
P P T Araújo, S A Sousa, V B S Diniz, P P Gomes, J S P da Silva, A R Germano
BACKGROUND: This study aimed to evaluate patients undergoing placement of zygomatic implants by Stella and Warner's technique, considering the survival rate of conventional and zygomatic implants, and assess the health of the maxillary sinuses and the level of patient satisfaction. METHODS: In this retrospective cohort study, 28 patients had received a combination of conventional and zygomatic implants (group I) and 14 were rehabilitated with only conventional implants (group II)...
December 2016: Int J Implant Dent
Russell S Frautschi, Brianna Halasa, Susan Orra, Karolina Mlynek, Charles P Steiner, Francis A Papay
The sphenopalatine ganglion is an extracranial neural structure within the pterygopalatine fossa. Modulation of this region via implantation of a neuromodulatory device presents a novel therapy for the treatment of facial and head pain. Yet sex, race, and genetic factors contribute to morphological variations between individuals. This study defines the standards and variations of the bony landmarks surrounding the pterygopalatine fossa. One hundred dry skulls were analyzed from the Hamann-Todd osteological collection...
October 2016: Journal of Craniofacial Surgery
S M Balaji
Ballistic injuries of oral and maxillofacial region are usually fatal due to close propinquity with the vital structures. The severity of injury depends on the caliber of the weapon used and distance from which the patient is shot. The preliminary care of facial ballistic wounds strictly adheres to the basics of trauma resuscitation. Early and appropriate surgical management has proved to be influential on the final outcome and esthetic result. Treatment of facial gunshot wounds should be planned and carried out carefully to avoid esthetic complications...
July 2016: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
Simone Heuberer, Christian Ulm, Konstantin Zauza, Werner Zechner, Georg Watzek, Gabriella Dvorak
PURPOSE: The present prospective pilot study aimed to evaluate the feasibility of Onplants (Onplant Orthodontic System) off label use in the highly atrophic edentulous maxillae of adult patients to avoid bone grafting and conventional dental or zygomatic implants. MATERIAL AND METHODS: Two Onplants were placed subperiosteally in the anterior part of the hard palate in five adult patients presenting a highly atrophic edentulous maxilla, class V or VI, according to Cawood and Howell...
2016: European Journal of Oral Implantology
P Molinero-Mourelle, L Baca-Gonzalez, B Gao, L Saez-Alcaide, A Helm, J Lopez-Quiles
The use of zygomatic implants in the prosthetic rehabilitation of the patient with severe maxillary bone atrophy is another therapeutic alternative, not exempt from complications. The main objective of this review is to analyze and describe the most frequent surgical complications associated with the use of zygomatic implants._Material and Methods: An electronic database search on PubMed, along with a manual search, without taking into account date nor language, was undertaken by two observers, selecting studies that comprised a study period from 6 to 12 months, any type of clinical trial, and series that included a follow-up and/or review period during the aforementioned margin, that mentioned at least two types of complications...
October 1, 2016: Medicina Oral, Patología Oral y Cirugía Bucal
Timothy J Eviston, Arun V Krishnan
BACKGROUND: Axonal excitability methods have an established role in determining the biophysical properties of human axons in the clinical setting. The translation and refinement of these techniques for application to the facial nerve is important for advancing the pathophysiological understanding of facial nerve disorders. Facial nerve disorders are common and debilitating, yet in most cases diagnosis is based on clinical judgment alone. The pathophysiology of most causes of facial palsy remains unclear...
September 28, 2016: Journal of Neuroscience Methods
Daemyung Oh, Taebin Yun, Junhyung Kim, Jaehoon Choi, Woonhyeok Jeong, Hojun Chu, Soyoung Lee
BACKGROUND: Facial hypoesthesia is one of the most troublesome complaints in the management of facial bone fractures. However, there is a lack of literature on facial sensory recovery after facial trauma. The purpose of this study was to evaluate the facial sensory recovery period for facial bone fractures using Neurometer. METHODS: Sixty-three patients who underwent open reduction of zygomatic and blowout fractures between December 2013 and July 2015 were included in the study...
September 2016: Archives of Plastic Surgery
Stjepan Siber, Marko Matijević, Miroslav Sikora, Dinko Leović, Ivan Mumlek, Darko Macan
OBJECTIVES: The occurrence and causes of maxillofacial trauma varies in different regions of the world. The aim of this study was to identify the occurrence, types and causes of maxillofacial injuries according to the age and gender differences in patients treated at the Department of Maxillofacial Surgery, University Hospital Center Osijek, between January 2011 and December 2013. MATERIALS AND METHODS: A total of 64 patients, 41 males (64.1%) and 23 females (35...
December 2015: Acta Stomatologica Croatica
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...
August 31, 2016: Journal of Oral and Maxillofacial Surgery
Sibylle Sabrautzki, Michael A Sandholzer, Bettina Lorenz-Depiereux, Robert Brommage, Gerhard Przemeck, Ingrid L Vargas Panesso, Alexandra Vernaleken, Lillian Garrett, Katharina Baron, Ali O Yildirim, Jan Rozman, Birgit Rathkolb, Christine Gau, Wolfgang Hans, Sabine M Hoelter, Susan Marschall, Claudia Stoeger, Lore Becker, Helmut Fuchs, Valerie Gailus-Durner, Martin Klingenspor, Thomas Klopstock, Christoph Lengger, Leuchtenberger Stefanie, Eckhard Wolf, Tim M Strom, Wolfgang Wurst, Martin Hrabě de Angelis
Animal models resembling human mutations are valuable tools to research the features of complex human craniofacial syndromes. This is the first report on a viable dominant mouse model carrying a non-synonymous sequence variation within the endothelin receptor type A gene (Ednra c.386A>T, p.Tyr129Phe) derived by an ENU mutagenesis program. The identical amino acid substitution was reported recently as disease causing in three individuals with the mandibulofacial dysostosis with alopecia (MFDA, OMIM 616367) syndrome...
September 26, 2016: Mammalian Genome: Official Journal of the International Mammalian Genome Society
Christian Mertens, Jose de San Jose Gonzalez, Christian Freudlsperger, Jens Bodem, Johannes Krisam, Jürgen Hoffmann, Michael Engel
BACKGROUND: Patients with hemimaxillectomy defects after tumor surgery can alternatively be rehabilitated with dental obturators or microvascular flaps. When general medical or oncologic conditions do not permit microvascular surgery, dental obturators are the only solution, yet retention for edentulous patients is often poor. The aim of this study was to evaluate whether CAD/CAM suprastructures supported by implants placed in both residual alveolar ridges and contralateral zygomatic bone could enhance obturator stability and improve functional outcomes...
August 24, 2016: Journal of Cranio-maxillo-facial Surgery
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