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International Journal of Oral and Maxillofacial Surgery

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https://www.readbyqxmd.com/read/28094096/component-columella-augmentation-in-cleft-nose-rhinoplasty-a-preliminary-study
#1
B Bohluli, P Varedi, M Sezavar, S Pakzad, S C Bagheri
The purpose of this study was to evaluate the outcome of a component columella augmentation technique in cleft nose rhinoplasty. This prospective study included rhinoplasty procedures in bilateral cleft nose patients treated by component columella augmentation technique. After surgery, all patients were followed up daily for the first week, and then at 1 month and 6 months postoperative. The following four parameters were assessed: nasal tip projection, infratip lobule length, infratip lobule-to-base distance, and columella-labial angle...
January 13, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28089389/three-dimensional-finite-element-model-to-predict-patterns-of-pterygomaxillary-dysjunction-during-le-fort-i-osteotomy
#2
H Fujii, N Kuroyanagi, T Kanazawa, S Yamamoto, H Miyachi, K Shimozato
The aim of this study was to determine whether non-linear three-dimensional finite element analysis (3D-FEA) can be applied to simulate pterygomaxillary dysjunction during Le Fort I osteotomy (LFI) not involving a curved osteotome (LFI-non-COSep), and to predict potential changes in the fracture pattern associated with extending the cutting line. Computed tomography (CT) image data (100 snapshots) after LFI were converted to 3D-CT images. 3D-FEA models were built using preoperative CT matrix data and used to simulate pterygomaxillary dysjunction...
January 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28089388/cortical-bone-thickness-of-the-mandibular-canal-and-implications-for-bilateral-sagittal-split-osteotomy-a-cadaveric-study
#3
L Promma, N Sakulsak, P Putiwat, P Amarttayakong, S Iamsaard, H Trakulsuk, K Hirunyakorn, S Suarbua, Y Wattanaraeungchai
Preoperative delineation of the mandibular canal and surrounding cortical bone thickness is mandatory prior to bilateral sagittal split osteotomy (BSSO). The cortical bone thickness of 101 cadaveric mandibles was measured to define the mandibular canal. The mandibles were cut at the anterior ramus, at the third, second, and first molar, and at the premolar. The cortical bone thickness was measured between the mandibular canal and inferior border, buccal cortex, and lingual cortex at each cutting point. No difference was found between the right and left sides of the mandible, or between males and females, with one exception: males were found to have thicker inferior cortical bone at the premolar site than females...
January 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28062250/autotransplantation-of-third-molars-with-completely-formed-roots-into-surgically-created-sockets-and-fresh-extraction-sockets-a-10-year-comparative-study
#4
H J Yu, P Jia, Z Lv, L X Qiu
The aim of this study was to analyze and compare the long-term clinical outcomes of mature third molar autotransplantation in surgically created sockets and fresh extraction sockets with regard to survival and functional success rates. A total of 65 third molars with completely formed roots were autotransplanted in 60 patients (average age 33.1 years). Thirty-six of the teeth were autotransplanted into surgically created sockets with or without guided bone regeneration (GBR; delayed autotransplantation), while 29 were autotransplanted into fresh extraction sockets (immediate autotransplantation; control group)...
January 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28057390/pre-emptive-analgesic-effect-of-lornoxicam-in-mandibular-third-molar-surgery-a-prospective-randomized-double-blind-clinical-trial
#5
I M Mojsa, J Stypulkowska, P Novak, K Lipczynski, K Szczeklik, M Zaleska
The aim of this study was to establish whether the pre-emptive use of lornoxicam (16mg) in third molar surgery ensures successful postoperative analgesia and reduces rescue analgesic intake when compared to postoperative application, and in comparison with placebo. Ninety patients were split randomly into three groups: group A received lornoxicam 60min before surgery and placebo 60min after surgery; group B received placebo 60min before surgery and lornoxicam 60min after surgery; group C received placebo 60min before surgery and placebo 60min after surgery...
January 2, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28043747/osteoblastoma-of-the-temporal-articular-tubercle-misdiagnosed-as%C3%A2-a-temporomandibular-joint-disorder
#6
J Emanuelsson, C M Allen, K Rydin, M Sjöström
The case of a 17-year-old female with a benign osteoblastoma in the temporomandibular joint (TMJ) is reported. The patient had a 2.5-year history of reduced mouth opening accompanied by tenderness and swelling in the left TMJ. Initial treatment included stabilization of the occlusion with a splint, jaw exercises, and analgesics. At first the patient's symptoms decreased, but they then increased 18 months later, prompting a cone beam computed tomography (CBCT) evaluation of the joint. The radiographic findings showed a somewhat ill-defined, radiolucent, expansile lesion containing small scattered calcifications located in the temporal articular tubercle...
December 30, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28043746/can-a-surgery-first-orthognathic-approach-reduce-the-total-treatment-time
#7
W S Jeong, J W Choi, D Y Kim, J Y Lee, S M Kwon
Although pre-surgical orthodontic treatment has been accepted as a necessary process for stable orthognathic correction in the traditional orthognathic approach, recent advances in the application of miniscrews and in the pre-surgical simulation of orthodontic management using dental models have shown that it is possible to perform a surgery-first orthognathic approach without pre-surgical orthodontic treatment. This prospective study investigated the surgical outcomes of patients with diagnosed skeletal class III dentofacial deformities who underwent orthognathic surgery between December 2007 and December 2014...
December 30, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28043745/the-efficacy-of-hyperbaric-oxygen-therapy-related-to-the-clinical-stage-of-osteoradionecrosis-of-the-mandible
#8
F J Dieleman, T T T Phan, F J A van den Hoogen, J H A M Kaanders, M A W Merkx
This study aimed to evaluate the success of hyperbaric oxygen therapy (HBOT) and surgery in the treatment of mandibular osteoradionecrosis (ORN) in relation to the extent of the ORN. Twenty-seven patients with ORN were identified from a total of 509 patients with a history of primary oral or base of the tongue cancer; these patients had been treated with radiation therapy with curative intent between 1992 and 2006, with a radiation dose to the mandible of ≥50Gy. The ORN was staged according to the classification of Notani et al...
December 30, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28041886/maxillary-advancement-versus-mandibular-setback-in-class-iii-dentofacial-deformity-are-there-any-differences-in-aesthetic-outcomes
#9
M Ghassemi, R-D Hilgers, U Fritz, A Modabber, A Ghassemi
A retrospective evaluation of maxillary advancement and mandibular setback in class III patients was performed and their aesthetic outcomes compared. Patients with a sella-nasion-A-point angle (SNA) of 80-84° were selected. Pre- and postoperative lateral cephalograms were obtained for 34 class III patients; these were divided into two groups according to the surgical procedure performed: mandibular setback group (n=17) and maxillary advancement group (n=17). The pre- and postoperative cervical length, lip-chin-throat angle, lower/upper lip thickness, distance from the lower/upper lip to the aesthetic line, soft tissue angle, facial contour angle, and nasolabial angle of the two groups were compared...
December 29, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28041885/a-veil-in-the-oral-cavity-report-of-two-cases-of-oral-synechiae
#10
A Dongol, P Acharya, J N Prasad, M R Jaisani
An oral synechia is an adhesion between the maxilla and the mandible; these adhesions can be found at various locations in the oral cavity. The presence of oral synechiae associated with cleft palate represents a rare congenital deformity. Oral synechiae with cleft palate can have serious implications for airway management and feeding in babies, and hence requires early intervention to reduce morbidity. Two cases of congenital oral synechiae accompanied by cleft palate, in which the synechiae veiled the oral cavity restricting a detailed intraoral examination, are reported here...
December 29, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28034574/orthodontic-camouflage-versus-orthognathic-surgery-for-class-iii-deformity-comparative-cephalometric-analysis
#11
P Martinez, C Bellot-Arcís, J M Llamas, R Cibrian, J L Gandia, V Paredes-Gallardo
The objective of this study was to compare different cephalometric variables in adult patients with class III malocclusions before and after treatment, in order to determine which variables are indicative of orthodontic camouflage or orthognathic surgery. The cases of 156 adult patients were assessed: 77 treated with orthodontic camouflage and 79 treated with orthodontics and orthognathic surgery. The following cephalometric variables were measured on pre-treatment (T1) and post-treatment (T2) lateral cephalograms: sella-nasion-A-point (SNA), sella-nasion-B-point (SNB), and A-point-nasion-B-point (ANB) angles, Wits appraisal, facial axis angle, mandibular plane angle, upper and lower incisor inclination, and inter-incisal angle...
December 26, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28012633/effect-of-submucosal-dexamethasone-injection-on-postoperative-pain-oedema-and-trismus-following-mandibular-third-molar-surgery-a-prospective-randomized-double-blind-clinical-trial
#12
I M Mojsa, R Pokrowiecki, K Lipczynski, D Czerwonka, K Szczeklik, M Zaleska
The aim of this study was to investigate the effect of the submucosal injection of 1ml dexamethasone (4mg/ml) on pain, swelling, and trismus following the extraction of retained lower third molars. Ninety patients (mean age 23.5 years) were split randomly into three equal study groups (30 patients in each): the 'before' group received dexamethasone 15min before surgery and placebo 15min after surgery; the 'after' group received placebo 15min before surgery and dexamethasone 15min after surgery; the 'placebo' group received placebo 15min before surgery and placebo 15min after surgery...
December 21, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28011124/islanded-facial-artery-musculomucosal-flap-for-tongue-reconstruction
#13
S T Joseph, B S Naveen, T M Mohan
Reconstruction of the tongue can be achieved by means of various local, regional, and microvascular free flaps. Local flaps commonly used for tongue reconstruction include the nasolabial flap, submental flap, infrahyoid flap, and pedicled facial artery musculomucosal (FAMM) flap. The purpose of this article is to propose a technical modification to the FAMM flap for the reconstruction of small to medium-sized tongue defects post tumour excision: islanding the flap and tunnelling it from the lingual aspect of the mandible in a single-stage procedure...
December 20, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28011123/sinonasal-adenocarcinoma-clinical-outcomes-and-predictive-factors
#14
J Michel, T Radulesco, M Penicaud, J Mancini, P Dessi
A retrospective study of 39 patients treated for sinonasal adenocarcinoma between 1995 and 2010 was performed. Epidemiological, clinical, histological, and therapeutic aspects of this series of patients were analyzed statistically and their impact in terms of overall and disease-free survival established using the Kaplan-Meier method. A search for prognostic factors was made using a log-rank test. The male to female sex ratio was 6.8 to 1. The average age at diagnosis was 65.7 years (range 40.2-85.6 years)...
December 20, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28007325/influence-of-possible-predictor-variables-on-the-outcome-of-primary-oral-squamous-cell-carcinoma-a-retrospective-study-of-392-consecutive-cases-at-a-single-centre
#15
D Loeffelbein, L M Ritschl, F D Güll, M Roth, K-D Wolff, T Mücke
The successful treatment of oral squamous cell carcinoma (OSCC) depends on the treatment strategy. The prognosis is most often linked to the stage at initial presentation, but the effect of patient-related parameters on overall survival remains uncertain. In this study, 392 consecutive cases of OSCC seen between 2007 and 2013 at a single centre were analyzed retrospectively. Overall survival was assessed and univariate and multivariate Cox proportional hazards regression was used to identify associations between possible tumour-specific and patient-related variables and survival...
December 19, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27998665/a-study-to-evaluate-the-reliability-of-using-two-dimensional-photographs-three-dimensional-images-and-stereoscopic-projected-three-dimensional-images-for-patient-assessment
#16
S Zhu, Y Yang, B Khambay
Clinicians are accustomed to viewing conventional two-dimensional (2D) photographs and assume that viewing three-dimensional (3D) images is similar. Facial images captured in 3D are not viewed in true 3D; this may alter clinical judgement. The aim of this study was to evaluate the reliability of using conventional photographs, 3D images, and stereoscopic projected 3D images to rate the severity of the deformity in pre-surgical class III patients. Forty adult patients were recruited. Eight raters assessed facial height, symmetry, and profile using the three different viewing media and a 100-mm visual analogue scale (VAS), and appraised the most informative viewing medium...
December 17, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27998664/short-term-complications-after-surgically-assisted-rapid-palatal-expansion-a-retrospective-cohort-study
#17
M Verquin, L Daems, C Politis
Surgically assisted rapid palatal expansion (SARPE) has been considered a safe procedure with minimal patient morbidity. The aim of this study was to identify short-term complications encountered after tooth-borne expansion with a standardized approach to inform surgeons and orthodontists of the patient risk. In this retrospective cohort study, 55 patients (35 female, 20 male) undergoing SARPE between January 2013 and December 2014 were evaluated. Twenty-eight patients developed one or more complications. Postoperative haemorrhage was seen in six patients...
December 17, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27998663/reconstruction-with-soft-tissue-free-flaps-for-large-defects-after-the-resection-of-giant-facial-neurofibroma
#18
L Hu, Y Xi, Y Wang, L Jiannan, J Han, Y Miao, S Gokavarapu, C Zhang, L Xu
Giant facial neurofibroma leads to disfigurement and functional and neurological deficits. Surgical resection is the mainstay of treatment and poses a great challenge to the surgeon with regard to the restoration of the defects arising from tumour resection. The cases of three male and three female patients diagnosed with giant facial neurofibroma, who underwent radical resection and reconstruction with soft tissue free flaps between 2008 and 2015, were analyzed retrospectively. Clinical data including patient sex, age, preoperative embolization of the nutrient artery, volume of blood loss, type and size of flaps used for reconstruction, and complications were recorded...
December 17, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27993447/a-safe-and-accurate-method-to-perform-esthetic-mandibular-contouring-surgery-for-far-eastern-asians
#19
A M-C Hsieh, L-K Huon, H-R Jiang, S Y-C Liu
A tapered mandibular contour is popular with Far Eastern Asians. This study describes a safe and accurate method of using preoperative virtual surgical planning (VSP) and an intraoperative ostectomy guide to maximize the esthetic outcomes of mandibular symmetry and tapering while mitigating injury to the inferior alveolar nerve (IAN). Twelve subjects with chief complaints of a wide and square lower face underwent this protocol from January to June 2015. VSP was used to confirm symmetry and preserve the IAN while maximizing the surgeon's ability to taper the lower face via mandibular inferior border ostectomy...
December 16, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27979432/secondary-mandibular-reconstruction-for-paediatric-patients-with-long-term-mandibular-continuity-defects-a-retrospective-study-of-six-cases
#20
L Hu, X Yang, J Han, Y Wang, X Wang, M Zhu, J Liu, M Yu, C Zhang, L Xu
Paediatric patients with long-term mandibular continuity defects following segmental resection usually present severe functional and cosmetic deformities. Secondary mandibular reconstruction for these patients is very challenging. Literature reports on how to handle these patients are scarce. The aim of this study was to describe the authors' experience in handling those paediatric patients who have not undergone primary reconstruction, for whom the final goal of treatment is to restore a symmetrical facial appearance, masticatory function, and speech...
December 12, 2016: International Journal of Oral and Maxillofacial Surgery
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