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International Journal of Oral and Maxillofacial Surgery

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https://read.qxmd.com/read/30777714/accuracy-of-custom-fitted-temporomandibular-joint-alloplastic-reconstruction-and-virtual-surgical-planning
#1
S Sembronio, A Tel, F Costa, M Isola, M Robiony
The purpose of this study was to evaluate the accuracy of temporomandibular joint (TMJ) custom-made replacements by means of virtual surgical planning. The authors review 11 TMJ custom-made prostheses made of both mandibular and fossa components. Surgeries were virtually planned and patient-specific devices were designed together with surgical cutting and positional guides. Three-dimensional models for both preoperative planning and postoperative computed tomography scans were generated and overlapped in order to evaluate differences in measurements...
February 15, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30777713/reconstruction-of-the-temporomandibular-joint-a-comparison-between-prefabricated-and-customized-alloplastic-prosthetic-total-joint-systems
#2
B J Siegmund, K Winter, P Meyer-Marcotty, J Rustemeyer
The implantation of an alloplastic total temporomandibular joint (TMJ) prosthesis is an innovative approach for the treatment of end-stage TMJ disorders. Two types of system exist: prefabricated (stock) and customized computer-aided design/computer-aided manufacturing (CAD/CAM) devices. A clinical study was performed to evaluate the effectiveness of these two designs. Twenty-eight patients treated between 2015 and 2017 were included and assigned to two groups: stock prostheses (group 1) and customized CAD/CAM prostheses (group 2)...
February 15, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30777712/locally-advanced-mammary-analogue-secretory-carcinoma-of-the-parotid-gland
#3
N Tokuzen, H Goda, K Nakashiro
Mammary analogue secretory carcinoma (MASC) has recently been recognized as a salivary gland tumour that is characterized by the ETV6-NTRK3 fusion gene. A case of locally advanced MASC of the parotid gland in a 67-year-old man is presented here. The patient visited the hospital due to a large right infra-auricular mass, which had been enlarging gradually over a period of 2years. Contrast-enhanced computed tomography (CT) demonstrated a multilocular mass, 75×63mm in size, containing a fluid component with non-uniform contrast effects in the interior portion...
February 15, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30777711/influence-of-mandibular-setback-surgery-on-three-dimensional-pharyngeal-airway-changes
#4
S-T Lee, J-H Park, T-G Kwon
The aim of this study was to investigate the factors influencing three-dimensional changes in pharyngeal airway space after mandibular setback surgery. Airway changes in 48 skeletal class III patients who had undergone mandibular setback surgery alone (n=25, group 1) or with maxillary surgery (n=23, group 2) were analyzed. Linear parameters, cross-sectional area, and volumes of the pharyngeal airway were evaluated before (T0), immediately after (T1), and 1year after surgery (T2) by cone beam computed tomography...
February 15, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30773336/computer-assisted-osteotomy-guides-and-pre-bent-titanium-plates-improve-the-planning-for-correction-of-facial-asymmetry
#5
H Ji, W Du, C Xu, Q Zhao, B Ye, E Luo
This study investigated the surgical outcomes and accuracy of computer-assisted osteotomy guides and pre-bent titanium plates in the treatment of patients with facial asymmetry. Thirteen patients with facial asymmetry undergoing bimaxillary orthognathic surgery were included. Virtual simulation of Le Fort I osteotomy, sagittal split ramus osteotomy, and genioplasty, if needed, was conducted on the preoperative three-dimensional model. Computer-assisted osteotomy guides and pre-bent titanium plates were produced and used in the actual operation...
February 14, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30773335/relationship-between-the-degree-of-mastoid-pneumatization-and-the-presence-of-persistent-foramen-of-huschke
#6
S Ertugrul, N K Keskin
The aim of this study was to determine the relationship between the degree of mastoid pneumatization and the presence of persistent foramen of Huschke (FH). Temporal computed tomography images of 714 patients (1428 ears) who applied to the Otorhinolaryngology Department of Karabuk University Training and Research Hospital between January 2016 and June 2018 were retrospectively analysed. We compared the mastoid pnomatization levels of 95 patients (74 females, 21 males, mean age 53.18±15.09years) who had persistent FH and 135 patients (103 females, 32 males, mean age 54...
February 14, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30773334/effectiveness-of-dental-implants-placed-in-bone-graft-area-of-cleft-patients
#7
REVIEW
P H H Sales, O B Oliveira-Neto, T S Torres, F J C de Lima
The purpose of this study was to determine the effectiveness of dental implants placed in the bone graft area of cleft patients. Electronic databases and relevant journals were searched to the end of August 2018. A total of 11 articles were eligible for systematic review considering the previously established inclusion and exclusion criteria, and then underwent risk of bias assessment. A total of 483 implants were placed and showed a survival rate of 93% after a mean follow-up of 60.5 months. The iliac bone was the most used for the reconstructive surgery in cleft patients, followed by the mandible...
February 14, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30773333/articular-soft-tissue-injuries-associated-with-mandibular-condyle-fractures-and-the-effects-on-oral-function
#8
REVIEW
F M Weinberg, C M Speksnijder, T Forouzanfar, A J W P Rosenberg
The majority of studies debating the optimization of treatment for condylar mandibular fractures focus on the bony aspect first. However, fractures of the mandibular condyle may go together with soft tissue injury of the temporomandibular joint. An electronic literature search for this topic was undertaken. Assessment of quality was carried out using the Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies. Sixteen articles were included in this review. The reviewed literature showed that intracapsular fractures and dislocated condylar fractures result in more severe injuries...
February 14, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30773332/hard-and-soft-tissue-changes-and-long-term-stability-after-vertical-height-reduction-genioplasty-using-biodegradable-fixation
#9
J H Park, H-D Jung, J-Y Cha, Y-S Jung
The aim of this work was to analyse the stability of vertical height reduction genioplasty using biodegradable material, as well as to determine vertical changes of hard and soft tissues during this procedure. Forty patients underwent vertical height reduction genioplasty using two types of biodegradable fixation (Biosorb FX® or OSTEOTRANS-MX® ), combined with mandibular setback surgery. We assessed lateral cephalographs over time (pre-operation; immediately post-operation; 3 months, 6 months and 12 months post-operation)...
February 14, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30765138/nasal-soft-tissue-changes-after-two-different-approaches-for-surgically-assisted-rapid-maxillary-expansion
#10
Y Fındık, T Baykul, T Yazıcı
The aim of the study was to evaluate the nasal soft tissue changes in patients who underwent surgically assisted rapid maxillary expansion (SARME) using two different surgical approaches. Thirty-two patients were included in the study, and divided into two groups according to the type of surgical approach: in group A (n=17), SARME performed with standard Le Fort I circumvestibular approach with alar base cinch and anterior nasal spine (ANS) exposure; and in group B (n=15) operations were performed with the same standard Le Fort I circumvestibular approach with only alar base cinch...
February 11, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30755359/learning-condyle-repositioning-during-orthognathic-surgery-with-a-surgical-navigation-system
#11
R Lartizien, I Zaccaria, C Savoldelli, L Noyelles, E Chamorey, J L Cracowski, G Bettega
Condyle repositioning during bilateral sagittal splint osteotomy (BSSO) is a challenging step for the inexperienced surgeon. We aimed to demonstrate the benefit of navigation for learning the condyle repositioning. We treated 100 patients who underwent a BSSO. A trainee performed the condyle repositioning of one side in two phases. In the first one, the trainee positioned without watching the screen of the Orthopilot Navigation system (ONS). In the second one, the trainee could use the ONS to replace the condyle...
February 9, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30755358/three-dimensional-skeletal-changes-after-early-proportional-condylectomy-for-condylar-hyperplasia
#12
R Fariña, E Moreno, J Lolas, F Silva, B Martínez
The purpose of this study was to evaluate volumetric and dentoskeletal changes in 21 patients with active unilateral condylar hyperplasia (AUCH) after proportional condylectomy. A split-mouth design was used: control group healthy joints (HS, healthy side) and test group affected joints (AS, affected side) (21 per group). Cone beam tomography scans were obtained at T0 (preoperative), T1 (10days after the intervention), and T2 (approximately 12 months post-surgery). The condylar unit volume (CUV), articular cavity volume (ACV), and dentoalveolar units (DAUs) were measured...
February 9, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30755357/management-of-velopharyngeal-insufficiency-by-modified-furlow-palatoplasty-with-pharyngeal-flap-a-retrospective-outcome-review
#13
L S Wong, E Lim, T C Lu, P K T Chen
The surgical approach for the correction of residual velopharyngeal insufficiency requiring secondary surgery at Chang Gung Memorial Hospital is the modified Furlow palatoplasty with pharyngeal flap (mFP-PF). The aim of this study was to describe the mFP-PF technique and to determine the results obtained with regard to improvements in velopharyngeal function in patients undergoing this surgery. This retrospective analysis included 58 non-syndromic patients treated during the period 1992-2015 who complained of hypernasal speech after primary cleft palate repair and failed postoperative speech therapy...
February 9, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30745243/safety-of-tooth-extraction-in-patients-receiving-direct-oral-anticoagulant-treatment-versus-warfarin-a-prospective-observation-study
#14
H Yoshikawa, M Yoshida, M Yasaka, H Yoshida, Y Murasato, D Fukunaga, A Shintani, Y Okada
The aim of this study was to compare the safety of tooth extraction in patients receiving direct oral anticoagulants (DOACs) or warfarin without cessation of their antithrombotic treatment. This prospective observational study included 367 patients undergoing tooth extraction (119 receiving DOACs and 248 receiving warfarin). All extractions in DOAC patients were performed 6-7h after taking DOACs in consideration of the half-life in blood under continued antithrombotic treatment. To examine the potential postoperative bleeding risk related to the time of extraction and the drug concentration of blood, activated partial thromboplastin time (APTT) in dabigatran and prothrombin time (PT) in rivaroxaban were measured three times after administration...
February 8, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30738712/the-influence-of-lymph-node-ratio-on-survival-and-disease-recurrence-in-squamous-cell-carcinoma-of-the-tongue
#15
L Hingsammer, T Seier, J Ikenberg, P Schumann, D Zweifel, M Rücker, M Bredell, M Lanzer
This study was performed to report the outcomes of patients with oral squamous cell carcinoma (OSCC) of the tongue over a 10-year period with the aim of testing the hypothesis that the lymph node ratio (LNR) has a significant influence on loco-regional recurrence. The charts of 227 patients with OSCC of the mobile tongue treated at the University Hospital of Zurich from 2003 to 2012 were screened. Following the application of the exclusion criteria (prior chemotherapy, radiotherapy, or surgery, perioperative death, N3 disease, unresectable disease, synchronous second primary, no signed informed consent, and follow-up <3years), prospective data were collected and a retrospective analysis performed for 88 of these patients who were treated with selective neck dissection...
February 6, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30738711/polyglactin-910-suture-compared-with-polyglactin-910-coated-with-triclosan-in-dental-implant-surgery-randomized-clinical-trial
#16
R Tabrizi, H Mohajerani, F Bozorgmehr
Antibacterial coating of surgical sutures is a suggested approach to prevent surgical site infections. The aim of this study was to compare the incidence of surgical site infection following the use of polyglactin 910 (Vicryl) and polyglactin 910 coated with triclosan (Vicryl Plus) sutures in dental implant surgery. This single-blind, randomized clinical trial evaluated patients who received three implants in the posterior mandible. Patients were randomly divided into two groups to receive either Vicryl Plus sutures (group 1) or Vicryl sutures (group 2)...
February 6, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30718032/long-term-donor-site-morbidity-in-head-and-neck-cancer-patients-and-its-impact-on-quality-of-life-a-cross-sectional-study
#17
K Kansy, J Hoffmann, O Alhalabi, N Mistele, K Freier, V Shavlokhova, C Mertens, C Freudlsperger, M Engel
Modern head and neck reconstructive surgery offers a multitude of different reconstructive options. In such cases, donor site morbidity is an important factor in the affected patient's decision-making. The aim of this study was to perform an objective comparison of donor site morbidity for the five most frequent microvascular donor sites in head and neck reconstructive surgery (radial forearm, anterolateral thigh, fibula, iliac crest, and scapula) using a uniform testing system. In this cross-sectional study, 117 donor sites were analyzed (106 for malignant disease and 11 for non-malignant disease): 73 radial forearm, 14 scapula, 12 anterolateral thigh, 10 fibula, and eight iliac crest...
February 1, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30712988/three-dimensional-analysis-of-condylar-changes-in-surgical-correction-for-open-bite-patients-with-skeletal-class-ii-and-class-iii-malocclusions
#18
J T Zupnik, M Ioshida, M Yatabe, A C O Ruellas, L R Gomes, S Aronovich, E Benavides, S P Edwards, B Paniagua, L H S Cevidanes
The aim of this study was to quantify three-dimensional condylar displacements as a result of two-jaw surgery for open bite correction in patients with skeletal class II and class III malocclusion. Pre-surgical (T1) and post-surgical (T2) cone beam computed tomography scans were taken for 16 patients with skeletal class II (mean age 22.3±9.47years) and 14 patients with skeletal class III (mean age 25.6±6.27years). T2 scans were registered to T1 scans at the cranial base. Translational and rotational condylar changes were calculated by x,y,z coordinates of corresponding landmarks...
January 31, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30712987/implant-treatment-of-two-failing-or-missing-central-incisors-in-the-aesthetic-region-a-treatment-protocol-and-1-year-prospective-study
#19
W G van Nimwegen, G M Raghoebar, A Vissink, H J A Meijer
Implant treatment for two central incisors in the maxillary aesthetic region is complex due to concerns regarding inter-implant hard and soft tissue stability. A treatment protocol was therefore developed and implemented in a 1-year prospective case series study involving 16 patients with two failing or missing central incisors in the maxillary aesthetic region. The protocol consists of five options depending on whether teeth are still present (options 1-3) or not (options 4 and 5) and on the amount of bone available at the start of treatment: (1) extraction followed by immediate implant placement and provisionalization, (2) extraction followed by immediate implant placement and delayed provisionalization, (3) extraction followed by ridge preservation, delayed implant placement and immediate provisionalization, (4) delayed implant placement and guided bone regeneration with delayed provisionalization, (5) guided bone regeneration (extensive bone augmentation of the alveolar ridge), delayed implant placement, and delayed provisionalization...
January 31, 2019: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/30704836/surgical-correction-of-dentofacial-deformities-in-juvenile-idiopathic-arthritis-a-systematic-literature-review
#20
REVIEW
P Frid, C Resnick, S Abramowicz, P Stoustrup, S E Nørholt
The aim of this study was to assess current evidence for the surgical correction of dentofacial deformities in patients with temporomandibular joint (TMJ) involvement from juvenile idiopathic arthritis (JIA). A systematic literature review, according to the PRISMA guidelines, was conducted. Meta-analyses, randomized controlled trials, cohort studies, observational studies, and case reports were eligible for inclusion. Exclusion criteria were no JIA diagnosis, no clearly defined outcomes, dual publications (except meta-analyses), non peer-reviewed studies, non English language publications, and animal studies...
January 28, 2019: International Journal of Oral and Maxillofacial Surgery
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