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Maxillary surgery

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https://www.readbyqxmd.com/read/29150379/changes-in-maxillofacial-morphology-and-velopharyngeal-function-with-two-stage-maxillary-distraction-mandibular-setback-surgery-in-patients-with-cleft-lip-and-palate
#1
T Susami, Y Mori, K Ohkubo, M Takahashi, Y Hirano, H Saijo, T Takato
Maxillary distraction is increasingly used for the correction of severe maxillary retrusion in patients with cleft lip and palate. However, control of the maxillary movement is difficult, and the need to wear visible distractors for a long period of time causes psychosocial problems. A two-stage surgical approach consisting of maxillary distraction and mandibular setback was developed to overcome these problems. In this study, changes in maxillofacial morphology and velopharyngeal function were examined in 22 patients with cleft lip and palate who underwent this two-stage approach...
November 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29140903/cleft-related-orthognathic-surgery-based-on-maxillary-vertical-lengthening-of-the-anterior-facial-height
#2
Woo Shik Jeong, Hyung Hwa Jeong, Soon Man Kwon, Kyung S Koh, Jong Woo Choi
BACKGROUND: The conventional approach during orthognathic surgery for cleft-related deformities has largely focused on restoration of maxilla retrusion, using the maxillary advancement as a standard treatment objective. However, we thought the maxillary vertical shortening and deficient incisor show could be the additional key elements of cleft-related deformities. Although slight vertical lengthening can be obtained with only maxillary advancement, it would not be enough to obtain satisfactory aesthetical results in terms of the anterior facial height...
November 11, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29140379/seven-year-follow-up-of-full-arch-prostheses-supported-by-four-implants-a-prospective-study
#3
Karen Vaz Ayub, Eduardo Antônio Ayub, Accácio Lins do Valle, Gerson Bonfante, Thiago Pegoraro, Luiz Fernando
PURPOSE: To evaluate biologic and prosthetic outcomes of implant-supported mandibular full-arch fixed prostheses treated with the All-on-4 treatment concept after 7 years. MATERIALS AND METHODS: Patients were selected to receive full-arch fixed immediate prostheses supported by four implants up to 72 hours after surgery. The following biologic aspects were evaluated: Plaque Index (PI) and Bleeding Index (BI), implant stability by resonance frequency, and marginal bone loss (MBL) measured with the aid of periapical radiographs...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29140376/evaluating-maxillary-sinus-septa-using-cone-beam-computed-tomography-is-there-a-difference-in-frequency-and-type-between-the-dentate-and-edentulous-posterior-maxilla
#4
Martina Schriber, Thomas von Arx, Pedram Sendi, Reinhilde Jacobs, Valerie Ga Suter, Michael M Bornstein
PURPOSE: To analyze and compare the frequency, type, and location of maxillary sinus septa in patients with a dentate and an edentulous posterior maxilla using cone beam computed tomography (CBCT) imaging. MATERIALS AND METHODS: The study consisted of 100 maxillary sinuses: 50 from patients with a dentate and 50 from patients with an edentulous posterior maxilla. The aim was to assess the frequency, morphology, and location of maxillary sinus septa in axial, sagittal, and coronal CBCT images...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29134168/anatomical-region-segmentation-for-objective-surgical-skill-assessment-with-operating-room-motion-data
#5
Yangming Li, Randall A Bly, R Alex Harbison, Ian M Humphreys, Mark E Whipple, Blake Hannaford, Kris S Moe
Background  Most existing objective surgical motion analysis schemes are limited to structured surgical tasks or recognition of motion patterns for certain categories of surgeries. Analyzing instrument motion data with respect to anatomical structures can break the limit, and an anatomical region segmentation algorithm is required for the analysis. Methods  An atlas was generated by manually segmenting the skull base into nine regions, including left/right anterior/posterior ethmoid sinuses, frontal sinus, left and right maxillary sinuses, nasal airway, and sphenoid sinus...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29128477/congenital-infiltrating-lipomatosis-of-the-face-case-report-with-presentation-of-a-new-multistep-surgical-approach
#6
Sofia Kalantary, Elke Van de Casteele, Nasser Nadjmi
PURPOSE: This report describes the first case of congenital infiltrating lipomatosis of the face (CIL-F) that was successfully managed with 2-jaw orthognathic surgery. MATERIALS AND METHODS: The patient was followed from 4 to 18 years of age. The multistep approach used consisted of a facelift-type procedure at 12 years to improve the soft tissue profile. At 13 years, the transverse maxillary deficiency was treated with transpalatal distraction. At 14 years, the patient underwent bimaxillary orthognathic surgery with a genioplasty...
October 16, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29126426/the-influence-of-immediately-loaded-implant-treatment-in-the-atrophic-edentulous-maxilla-on-oral-health-related-quality-of-life-of-edentulous-patients-3-year-results-of-a-prospective-study
#7
Maria Erkapers, Susanna Segerström, Karl Ekstrand, Russell A Baer, Joseph A Toljanic, Andreas Thor
BACKGROUND: To evaluate oral health related quality of life (OHQoL) in edentulous patients treated with immediately loaded implants in the maxilla. METHODS: Fifty-one edentulous patients in two centers received six maxillary implants each were loaded within 24 h with provisional restoration. Definitive restoration was delivered 20-24 weeks later. OHQoL was evaluated preoperatively with the Oral Health Impact Profile 49 questionnaire (OHIP-49) and on five subsequent occasions...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29123998/feasibility-of-dentascan-in-planning-of-implant-surgery-in-posterior-maxilla-and-mandible
#8
Siddhartha Chandel, Nishi Singh, Amiya Agrawal, Harmurti Singh, H Nandakumar
Objectives: The present evaluate the feasibility of Computed tomography (Dentascan), in assessment of the implant site in posterior maxilla & mandible. Material and Methods: data of total 11 patients with 20 implant sites were involved in the present study. Out of the 20 implant sites selected 10 were in posterior maxilla and 10 in posterior mandible. All the patients were routinely examined by panoramic radiography and CT. All images obtained i.e., conventional panoramic radiograph, and film based Dentascan MPR- CT images were evaluated for the detectability of mandibular canal at the mental foramen, 1 cm, 2 cm, and 3 cm posterior to mental foramen...
September 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/29122485/treatment-outcomes-of-locally-advanced-squamous-cell-carcinoma-of-the-maxillary-sinus-treated-with-chemoradioselection-using-superselective-intra-arterial-cisplatin-and-concomitant-radiation-implications-for-prognostic-factors
#9
Takeharu Ono, Norimitsu Tanaka, Hirohito Umeno, Shun-Ichi Chitose, Buichiro Shin, Takeichiro Aso, Koutaro On, Chikayuki Hattori, Hidehiro Etoh, Tatsuyuki Kakuma, Toshi Abe
BACKGROUND: This study clarified the clinical results of locally advanced squamous cell carcinoma of the maxillary sinus (SCC-MS) that was treated with chemoradioselection using superselective intra-arterial cisplatin and concomitant radiation (RADPLAT). Prognostic factors were also investigated. METHODS: We retrospectively analyzed 63 locally advanced SCC-MS patients treated with initial RADPLAT followed by sequential RADPLAT (S-RADPLAT) or surgery. RESULTS: The 5-year progression-free survival (PFS) and overall survival (OS) rates of patients with T3, T4a, or T4b disease were 72...
October 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29122083/biocompatibility-and-pharmacokinetics-of-fluticasone-eluting-sinus-implant-in-a-rabbit-model
#10
Vishal S Patel, Evan Walgama, Alkis Psaltis, Francois Lavigne, Steven D Pletcher, Peter H Hwang
BACKGROUND: A novel, bioabsorbable, fibrinogen-based implant has been developed as a mucosal dressing after endoscopic sinus surgery (ESS). This implant can be formulated with fluticasone propionate (FP) for local elution of corticosteroid to reduce postoperative inflammation and promote mucosal healing. OBJECTIVE: This study investigated the biocompatibility and pharmacokinetics of the implant in a rabbit model. METHODS: Implants with and without FP were placed on both intact and demucosalized maxillary sinuses of 33 New Zealand White rabbits...
November 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29119091/alar-width-changes-due-to-surgically-assisted-rapid-palatal-expansion-a-meta-analysis
#11
REVIEW
Kevin C Lee, Michael Perrino
A major objective of orthognatic surgery is the aesthetic outcome. Treatments only correcting for dentoskeletal deformities are not sufficient for optimal facial results because undesirable soft tissue changes may accompany skeletal manipulations. The primary objective of this study was to investigate alar base width (ABW) changes a minimum of 6 months following surgically-assisted rapid palatal expansion (SARPE). The following electronic databases and citation indices were searched: PubMed, Cochrane Library, Scopus, Web of Science, Embase, and Virtual Health Library...
October 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/29116888/incidence-of-maxillary-sinus-disease-before-sinus-floor-elevation-surgery-as-identified-by-cone-beam-computed-tomography-a-literature-review
#12
Fabio Costa, Enzo Emanuelli, Massimo Robiony
PURPOSE: to review the literature in order to assess the incidence of maxillary sinus disease before sinus floor elevation surgery (SFE) surgery as identified by cone beam computed tomography (CBCT). Only studies in which patients had performed CBCT for dental implant placement in the last ten years were considered. RESULTS: Eleven studies were identified. A total of 1792 patients were collected. All the studies reviewed reported on thickening of the sinus mucosa as a criterion for sinus disease with different threshold values...
November 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29116013/the-influence-of-dexamethasone-on-postoperative-swelling-and-neurosensory-disturbances-after-orthognathic-surgery-a-randomized-controlled-clinical-trial
#13
W Semper-Hogg, M A Fuessinger, T W Dirlewanger, C P Cornelius, M C Metzger
BACKGROUND: Orthognathic surgery is associated with considerable swelling and neurosensory disturbances. Serious swelling can lead to great physical and psychological strain. A randomized, prospective, controlled clinical trial was realized in order to evaluate the effect of a preoperative intravenous dexamethasone injection of 40 mg on postoperative swelling and neurosensory disturbances after orthognathic surgery. METHODS: Thirty-eight patients (27 male and 11 female) patients, all with the indication for an orthognathic surgery, were enrolled in this study (mean age: 27...
November 7, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29109841/mandibular-reconstruction-with-lateral-tibial-bone-graft-an-excellent-option-for-oral-and-maxillofacial-surgery
#14
Ana Lucia Carpi Miceli, Livia Costa Pereira, Thiago da Silva Torres, Mônica Diuana Calasans-Maia, Rafael Seabra Louro
Autogenous bone grafts are the gold standard for reconstruction of atrophic jaws, pseudoarthroses, alveolar clefts, orthognathic surgery, mandibular discontinuity, and augmentation of sinus maxillary. Bone graft can be harvested from iliac bone, calvarium, tibial bone, rib, and intraoral bone. Proximal tibia is a common donor site with few reported problems compared with other sites. The aim of this study was to evaluate the use of proximal tibia as a donor area for maxillofacial reconstructions, focusing on quantifying the volume of cancellous graft harvested by a lateral approach and to assess the complications of this technique...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29109836/pedicle-flaps-contribute-to-endoscopic-skull-base-surgery-and-facial-soft-tissue-repair-the-diuturnity-of-johannes-fredericus-samuel-esser-1877-1946
#15
Richard A Pollock, M Douglas Gossman
Pedicle flaps based on the external maxillary (facial) artery were introduced during the World War I, precisely a century ago. Today they remain effective tools in facial soft-tissue repair. Recently, pedicle flaps based on the internal maxillary (sphenopalatine) artery have been chosen to reliably close dural defects after endoscopic skull-base surgery. Pedicle flaps, "biologic" to the extent they are based on a defined arterial blood supply, are the lasting contributions-the diuturnity-of Johannes ("Jan") Fredericus Samuel Esser (1877-1946) of Leiden, Holland, and Chicago (IL)...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29104388/clinical-study-of-laser-treatment-for-frenectomy-of-pediatric-patients
#16
Sayaka Komori, Kousuke Matsumoto, Kenji Matsuo, Hiroaki Suzuki, Takahide Komori
Aim: To suggest regarding the timing of oral surgery and laser treatment for frenulum abnormalities in the pediatric population. Materials and methods: We investigated the sex, age, frenulum site, reason for consultation, treatment method, and prognosis of 35 patients aged 15 years or younger and who were examined at our hospital for the chief complaint of frenulum abnormality. Results: A total of 21 (mean age, 6.0 years) of the 35 patients underwent frenectomy using a carbon dioxide (CO2) laser...
July 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29103447/nonsurgical-treatment-of-an-adult-with-a-skeletal-class-ii-gummy-smile-using-zygomatic-temporary-anchorage-devices-and-improved-superelastic-nickel-titanium-alloy-wires
#17
Yuji Ishida, Takashi Ono
Patients with a severe gummy smile and a skeletal Class II profile are difficult to treat. This case report describes an effective treatment alternative for improving a gummy smile in a patient with a severe Class II molar relationship, severe crowding, and lip protrusion using zygomatic anchorage devices and improved superelastic nickel-titanium wires. A 36-year-old woman had an excessive overjet and a deep overbite with a bilateral Angle Class II molar relationship. The cephalometric analysis demonstrated a Class II skeletal relationship (ANB, 9...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29103446/miniscrew-assisted-multidisciplinary-orthodontic-treatment-with-surgical-mandibular-advancement-and-genioplasty-in-a-brachyfacial-class-ii-patient-with-mandibular-asymmetry
#18
Vanessa Paredes-Gallardo, Verónica García-Sanz, Carlos Bellot-Arcís
This article describes the complex dental treatment of a 43-year-old man with skeletal Class II, mandibular asymmetry, severe brachyfacial pattern, Class II Division 2, canting of the occlusal plane, and an increased curve of Spee. To achieve optimal results, we adopted a multidisciplinary approach to treatment, involving periodontics, oral surgery, orthodontics, maxillofacial surgery, and prosthetics specialists. After periodontal treatment, miniscrews were placed to correct the occlusal plane canting and the excessive curve of Spee with orthodontic treatment...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29101581/a-case-of-traumatic-infraorbital-neuroma
#19
Shahriar Amjadi, Weng Onn Chan, Saul Rajak, David K Morrissey, Sumu Simon, Gary Davis, Dinesh Selva, Alkis J Psaltis
A 53-year-old Afghan man presented with a 12-month history of left proptosis, diplopia and facial swelling 20 years after a bomb blast injury. Magnetic resonance and computed tomography imaging revealed a well-circumscribed lesion centred within the left inferior orbit/superior maxillary sinus along with left orbital fracture. Histopathology and immunostaining of the debulked lesion were consistent with traumatic neuroma of the infraorbital nerve. Infraorbital neuromas have developed following orbital decompression surgeries but have not been reported previously following non-surgical trauma...
December 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29093979/respiratory-epithelium-lined-cyst-of-the-maxilla-differential-diagnosis
#20
C P Martinelli-Kläy, S Chatelain, F Salvado, T Lombardi
Maxillary cysts, including the cysts lined by respiratory epithelium, can present a diagnostic challenge. We report an unusual case of a maxillary cyst on an endodontically treated tooth #16, in which the cavity was totally lined by a respiratory epithelium. The patient, a 35-year-old male, presented with a generalized chronic periodontitis and complained of a pain in the tooth #16 region. A periodontal pocket extending to the root apices with pus coming out from the gingival was found. A combined endodontic periodontal was observed on a panoramic radiography...
2017: Case Reports in Pathology
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