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Mandibular osteotomy

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https://www.readbyqxmd.com/read/28725963/robot-assisted-surgery-for-mandibular-angle-split-osteotomy-using-augmented-reality-preliminary-results-on-clinical-animal-experiment
#1
Chaozheng Zhou, Ming Zhu, Yunyong Shi, Li Lin, Gang Chai, Yan Zhang, Le Xie
Mandibular angle split osteotomy (MASO) is a procedure widely used for prominent mandibular angles. However, conventional mandibular plastic surgery is invasive and high risk. It may induce postoperative neurosensory disturbance of the inferior alveolar nerve, fractures and infection due to the complexity of the anatomical structure and the narrow surgical field of view. The success rate of MASO surgery usually depends on the clinical experience and skills of the surgeon. To evaluate the performance of inexperienced plastic surgeons conducting this surgery, a self-developed and constructed robot system based on augmented reality is used...
July 19, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28721996/open-reduction-and-internal-fixation-screw-injury-retrospective-study
#2
Preetha Balaji, S M Balaji
BACKGROUND/AIMS: Open reduction and internal fixation (ORIF) is a standard surgical procedure in jaw trauma and in orthognathic surgery. Insertion of screws is a significant risk for accidental tooth root injury with varying outcomes. Contrary evidences are found in literature due to a variety of study designs. This study was undertaken to address the lacunae and possibly estimate the difference in occurrence of tooth damage during or after ORIF between trauma and planned osteotomies...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28717296/surgical-management-of-laterognathia-in-orthofacial-surgery
#3
J M García Y Sánchez, C L Gómez Rodríguez, J Romero Flores
INTRODUCTION: Each year around the world, various surgical procedures are carried out with the goal of correcting laterognathia; both the intraoral vertical ramus osteotomy (IVRO) and bilateral sagittal split ramus osteotomy (OSB) have been the most used techniques in mandibular surgery. These techniques have advantages and disadvantages; for example the advantages of the OSB include: increased coefficient of friction between bony segments, for both the forward and the retroposition, as well as decrease in the time of intermaxillary fixation (IMF)...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28716472/the-bone-lid-technique-in-oral-surgery-a-case-series-study
#4
S Sivolella, G Brunello, F Fistarol, E Stellini, C Bacci
The aim of this case series study was to illustrate the bone lid technique implemented using piezoelectric surgery to access mandibular alveolar bone diseases and to assess the clinical and radiographic outcomes. The technique was used to treat 21 consecutive patients with various conditions: cysts in six cases, impacted teeth with associated cysts in nine, keratocystic odontogenic tumours in three, impacted teeth in two, and an endodontic lesion in one. The bone lid was fashioned using piezoelectric surgery and a thin osteotomy insert...
July 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713753/removal-of-multiple-keratocystic-odontogenic-tumors-in-a-nonsyndromic-patient
#5
Artur Cunha Vasconcelos, Paulo Henrique de Souza Castro, Alvaro Henrique Borges, Luiz Evaristo Ricci Volpato
Multiple keratocystic odontogenic tumors are one of the key features of Gorlin-Goltz syndrome. A 15-year-old nonsyndromic female child presented with multiple keratocystic odontogenic tumors. The presence of the tumors was observed in immunological examinations. The images led to the suspicion of Gorlin-Goltz syndrome which was discarded after analyzing the patient's medical history and complementary examinations. Le Fort I osteotomy was opted to access the maxillary tumors favoring visibility and allowing simultaneous bilateral accesses...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713747/the-surgical-management-of-skeletal-disproportion-with-lingual-orthodontics-and-three-dimensional-planning
#6
Krutiben Patel, Chung How Kau, Peter D Waite, Ahmet Arif Celebi
This case report describes the successful treatment of a 26-year-old Caucasian male with skeletal and dental Class III malocclusion associated with mild maxillary and mandibular crowding. The patient had anteroposterior and transverse discrepancies with a reverse overjet and bilateral posterior crossbites. The nonextraction treatment plan included aligning and leveling of the teeth in both arches, Le Fort I and bilateral sagittal split osteotomies, and postsurgical correction of the malocclusion. Orthodontic treatment was initiated with custom lingual appliances followed by orthognathic surgery planned with virtual surgical planning...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713744/access-osteotomy-in-the-maxillofacial-skeleton
#7
REVIEW
K Kamalpathey, Maj Gen N K Sahoo, Col P K Chattopadhyay, Maj Yuvraj Issar
Surgical accesses for the facial skeleton are based on the concept of modular osteotomies. Various techniques and combination of osteotomies facilitate access to the most inaccessible tumors of craniomaxillofacial region. Most appropriate surgical access is determined by considering size, location, extension of the tumor, and experience of the surgical team. These are primarily used for tumors in the nasopharynx or the skull base. The aim of this paper is to review surgical accesses that aid in removal of inaccessible tumors of craniomaxillofacial region with series of cases operated in the Department of Oral and Maxillofacial Surgery, Armed Forces Medical College, Pune, India, between July 2008 and June 2010...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713734/treatment-of-micrognathia-by-intraoral-distraction-osteogenesis-a-prospective-study
#8
M Baskaran, S Gidean Arularasan, T K Divakar, Rohini Thirunavukkarasu
PURPOSE: Maxillofacial deformities are always psychologically and physically distressing to the patients and is also challenging to the treating surgeons. The term Micrognathia means a "small jaw". True micrognathia, where the maxilla or the mandibular skeleton does not grow to the full size can be congenital or acquired. Distraction osteogenesis also called as callus distraction or callostasis or osteodistraction or distraction histogenesis is a biological process of regenerating newly formed bone and adjacent soft tissue by a gradual and controlled traction of surgically separated bone segments...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713729/piezosurgery-versus-rotatory-osteotomy-in-mandibular-impacted-third-molar-extraction
#9
Bharat Bhati, Pankaj Kukreja, Sanjeev Kumar, Vidhi C Rathi, Kanika Singh, Shipra Bansal
AIM: The aim of this study is to compare piezoelectric surgery versus rotatory osteotomy technique in removal of mandibular impacted third molar. MATERIALS AND METHODS: Sample size of 30 patients 18 males, 12 females with a mean age of 27.43 ± 5.27. Bilateral extractions were required in all patients. All the patients were randomly allocated to two groups in one group, namely control group, surgical extraction of mandibular third molar was done using conventional rotatory osteotomy and in the other group, namely test group, extraction of lower third molar was done using Piezotome...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28706792/simultaneous-maxillomandibular-distraction-osteogenesis-in-hemifacial-microsomia-report-of-7-cases
#10
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/28706780/neurosensory-evaluation-of-inferior-alveolar-nerve-after-bilateral-sagittal-split-ramus-osteotomy-of-mandible
#11
P G Antony, Aneesh Sebastian, K George Varghese, C R Sobhana, S Mohan, C S Soumithran, Shiney Domnic, N Jayakumar
Mandibular skeletal deformities are mostly corrected by Sagittal Split Ramus Osteotomy. One of the main complications of Bilateral Sagittal Split Ramus Osteotomy is impairement of sensory function of Inferior Alveolar Nerve. OBJECTIVES: To evaluate the occurrence of neurosensory disturbance by comparing the subjective and objective assessment of neurosensory responses after bilateral sagittal split ramus osteotomy.To assess the progress of recovery from the first post operative day till six months...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28689523/critical-analysis-of-piezoelectric-surgery-with-oscillating-saw-in-bimaxillary-orthognathic-surgery
#12
Zainab Akbar, Hammad Saleem, Waseem Ahmed
OBJECTIVE: To compare the piezosurgery with conventional saw for osteotomy in orthognathic bimaxillary surgery. STUDY DESIGN: Comparative study. PLACE AND DURATION OF STUDY: The Armed Forces Institute of Dentistry, Rawalpindi, Pakistan, from January 2012 to July 2015. METHODOLOGY: Twenty-four patients, regardless of gender, were selected for bimaxillary surgery. Each underwent osteotomy with conventional saw and piezosurgery equipment...
June 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28669310/comparing-cancellous-bone-volume-of-the-manubrium-to-iliac-crest-in-fresh-cadavers
#13
Aaron Smith, Sarah Kortebein, Anas Eid, John Boughter, Nathan Cary, Jeffrey Brooks, Merry Sebelik
Objective The iliac crest is the gold standard for cancellous bone grafting. This site is distant from head and neck reconstruction and may lead to significant postoperative morbidity. We propose an alternative harvest site within the head and neck with potentially less mobility deficits, the manubrium. Study Design Fresh-frozen cadaveric study. Setting Gross anatomy laboratory. Subjects and Methods Access to 18 cadavers was granted from the Medical Education and Research Institute in Memphis, Tennessee. The anterior iliac crests were exposed and H-type osteotomies performed...
July 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28665842/variations-in-current-procedural-terminology-coding-for-craniofacial-surgery-a-need-for-review-and-change
#14
Ember L Ewings, Petros Konofaos, Robert D Wallace
BACKGROUND: A survey was utilized to study the coding practices of surgeons performing craniofacial procedures, in order to determine whether coding for these procedures might be standardized or expanded. METHODS: An online survey was designed with 6 sample cases to cover a variety of procedures encountered in the field of craniofacial surgery which was sent to members of 3 professional organizations centered around the practice of craniofacial/maxillofacial surgery...
June 29, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28661559/use-of-a-midline-mandibular-osteotomy-to-improve-surgical-access-for-transoral-robotic-resection-of-the-base-of-tongue-in-a-patient-with-trismus
#15
Gerald Tay, Jay Ferrell, Peter Andersen
BACKGROUND: The utilization of transoral robotic surgery (TORS) in patients with trismus is limited because of poor surgical exposure. METHODS: This report is about a 46-year-old man with a recurrent right base of tongue cancer who had severe postradiation trismus. We performed a midline mandibular osteotomy without a lip split and this resulted in a markedly improved surgical exposure. He underwent a TORS resection of the right base of the tongue with no significant complications...
June 29, 2017: Head & Neck
https://www.readbyqxmd.com/read/28660420/effects-of-combined-orthodontic-orthognathic-treatment-for-class-ii-and-iii-correction-on-posterior-airway-space-comparison-of-mono-and-bignathic-osteotomies
#16
Jan Hourfar, Gero Stefan Michael Kinzinger, Hartmut Feifel, Verena Maria Vehr, Jörg Alexander Lisson
OBJECTIVES: Comparison of treatment effects on the posterior airway space (PAS) in patients treated with combined orthodontic-orthognathic surgical treatment. METHODS: Pre- and postsurgical lateral cephalograms of 53 (34 females, 19 males) Caucasian patients were analyzed using a customized set of measurements. According to malocclusion (Class II or III) and surgical approach (either monognathic or bignathic), patients were allocated into four groups. PAS was assessed from cranial to caudal at six levels (P1-P6)...
June 28, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28652175/is-the-piezoelectric-device-the-new-standard-for-facial-osteotomies
#17
Javier González Lagunas
Piezoelectric devices are commonly used in all areas of maxillofacial surgery. Initially applied in preprosthetic surgery, they have steadily become a common practice in major surgery of the facial skeleton, including maxillary and mandibular osteotomies, temporomandibular joint surgery, orbital surgery, craniofacial procedures and rhinoplasty. We will review the current medical literature and establish the "state of the art" of piezosurgery in orthognathic surgery, TMJ surgery and rhinoplasty.
June 23, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28651712/piezoelectric-instruments-used-for-odontosection-or-osteotomy-may-result-in-less-trismus-after-surgical-mandibular-third-molar-extraction-than-rotatory-instruments
#18
Romina Brignardello-Petersen
No abstract text is available yet for this article.
July 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28642186/mandibular-anterior-segmental-subapical-osteotomy-for-incisor-axis-correction
#19
T Sahin, E Garreau, Y Komakli, R Nicot, J J Sciote, J Ferri
INTRODUCTION: Mandibular incisor axis correction can be challenging in non-extraction orthodontic treatment planning. Mandibular anterior segmental subapical osteotomy (MASSO) is a surgical approach, which can be used to reposition incisor axis, improve occlusal function and enhance the soft tissue profile. METHODS: Twenty-eight patients, mean age 22.6 years (16-39, SD=6.69), were treated for MASSO for correction of Class II dentoskeletal deformity, in addition to other orthognathic procedures...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28639069/the-application-of-3d-printing-technology-for-simultaneous-orthognathic-surgery-and-mandibular-contour-osteoplasty-in-the-treatment-of-craniofacial-deformities
#20
Yanju Xiao, Xiumei Sun, Lin Wang, Yaoyao Zhang, Kai Chen, Guomin Wu
BACKGROUND: Because of the limitation of specific preoperative design and surgical templates, orthognathic surgery and mandibular contour osteoplasty are generally performed in two stages. Three-dimensional printing technology has improved the accuracy of the surgery and results in good surgical predictability easily. This study aims to confirm the effectiveness, feasibility and precision of simultaneous mandibular contour osteoplasty and orthognathic surgery with the assistance of 3D printing technology...
June 21, 2017: Aesthetic Plastic Surgery
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