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Electronic address:. This retrospective study was performed to verify the accuracy of horizontal and vertical repositioning of the maxilla in bimaxillary osteotomy with a focus on posterior vertical displacement. Data from 39 orthognathic patients undergoing bimaxillary surgery including a one-piece Le Fort I osteotomy with pitch rotation and advancement at the University Hospitals of Leuven Belgium , between January and April , were included in the study.
Preoperative and 1-week postoperative lateral cephalograms were digitized and imported into cephalometric software. Read More. Dentofacial deformities DFD presenting mainly as Class III malocclusions that require orthognathic surgery as a part of definitive treatment.
Class III patients can have obvious signs such as increasing the chin projection and chin throat length, nasolabial folds, reverse overjet, and lack of upper lip support. However, Class III patients can present different facial patterns depending on the angulation of occlusal plane OP , and only bite correction does not always lead to the improvement of the facial esthetic.
Purpose : An increasing number of patients complain about unsatisfactory aesthetic outcomes of orthognathic surgery, desiring reoperation to improve facial aesthetics. The aims of this article are to present a wide range of aesthetic reasons to justify a secondary orthognathic surgery and to report aesthetic outcomes and patient satisfaction after reoperation. Material And Methods : This research covers 70 consecutive patients who underwent a secondary bimaxillary orthognathic surgery with simultaneous facial lipofilling procedures between January and December Sturge-Weber syndrome SWS is a rare neurocutaneous syndrome characterized by facial port-wine stains.
In our experience, because SWS patients are more likely than non-SWS patients to be dissatisfied after bone surgery because of limited soft tissue change, we compared soft tissue changes after bimaxillary surgery between facial asymmetry patients with and without SWS. The intraoral vertical ramus osteotomy IVRO is a useful technique for mandibular setback surgery. However, there is a tendency for lateral flaring of the proximal segments on the non-deviation side after the correction of mandibular asymmetry with this technique.
The purpose of this retrospective study was to evaluate the positional changes of the proximal segments after IVRO setback in skeletal class III patients with asymmetry, using preoperative and postoperative computed tomography scan data, and to apply the results in clinical practice.
Purpose : To analyse the possible morphologic and positional changes of the mandibular condyles after orthognathic surgery. Material And Methods : A prospective cohort study was performed.
Patients with mandibular retrognathism were surgically treated to advance the mandible. Purpose Of Review : To give an update on recent publications and tendencies concerning complications in cleft orthognathic surgery. Recent Findings : Cleft-specific changes after orthognathic surgery and their impact on surgical outcomes are discussed.
Focus lays on the causes and mechanisms of cleft-related surgical complications and strategies to prevent or minimize these complications. Objectives : Facial asymmetry is one of the main concerns in patients with a dentofacial deformity. The aims of the study were to 1 evaluate the changes in facial asymmetry after bimaxillary surgery for asymmetric skeletal class II deformity and 2 compare preoperative and postoperative facial asymmetry of class II patients with normal controls.
Materials And Methods : The facial asymmetry was assessed for 30 adults 21 women and 9 men, mean age: Piezosurgery is a new technique that can be used to cut mineralized structures without damaging adjacent soft tissues.
This device has a lot of advantages: reduced surgical time, blood loss, and inferior alveolar nerve injury in bimaxillary osteotomy. Fifty patients underwent different surgical operations orthognathic surgery, traumatic surgery, reconstructive surgery, aesthetic procedures with 7 different kind of piezosurgery inserts in a period of 8 months.
Purpose : The aim of this study was to examine and compare morphological and functional outcomes after either isolated mandibular setback or bimaxillary surgery in males and females. Materials And Methods : A retrospective study was done on 52 patients, in whom surgical correction for mandibular prognathism was performed either by isolated mandibular setback 30 cases or by bimaxillary surgery 22 cases.
Morphological changes were studied using cephalograms and functional changes studied using impulse oscillometry IOS taken before surgery T0 , 3 months T1 and 1 year after surgery T2. Walter C. Purpose : There is no universally accepted method for determining the ideal sagittal position of the maxilla in orthognathic surgery. The purpose of this study was to compare how well this analysis correlated with postoperative findings in patients who underwent bimaxillary orthognathic surgery planned using other guidelines.
Purpose : The systemic inflammatory response syndrome SIRS is the body's response to an insult, such as infection, trauma, burn, and surgical stress linked to several factors deemed potential for multiple organ failure if left untreated. Methods : The sample consisted of 80 patients who underwent bimaxillary orthognathic surgery, with data on vital signs and white blood cell count collected preoperatively, and the same data collected in the immediate postoperative period, in addition to CO pressure in arterial blood by blood gas analysis.
Upper airway changes following bimaxillary advancement surgery to treat obstructive sleep apnea syndrome remain controversial. The main objective of this systematic review and meta-analysis was to investigate the effects of bimaxillary advancement surgery on the upper airway UA of obstructive sleep apnea syndrome patients through examining changes three-dimensionally in vertical and supine position and through changes in oximetric variables AHI, RDI, O2 Sat and in the quality of life measured by the Epworth sleepiness scale ESS.
A thorough search of the PubMed, Scopus, Embase and Cochrane databases and a grey literature search Opengrey were conducted. Purpose : Orthognathic surgery with simultaneous condylectomy under digital guidance has been proved to be a feasible method to treat hemimandibular hyperplasia HH.
The objective of this study was to evaluate the effects and precision of correction of HH by use of this method. Patients And Methods : This was a case-series study.
Purpose : The aim of this retrospective study was to evaluate the accuracy of two-dimensional 2D virtual surgical planning VSP of pharyngeal airway space PAS in patients submitted to bimaxillary orthognathic surgery. Background : The benefit of computer-assisted planning in orthognathic surgery OGS has been extensively documented over the last decade.
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This study aimed to evaluate the accuracy of three-dimensional 3D virtual planning in surgery-first OGS. Methods : Fifteen patients with skeletal class III malocclusion who underwent bimaxillary OGS with surgery-first approach were included. Purpose : The purpose of this study was to document the malocclusion and facial dysmorphology in patients with primary maxillary deficiency PMD and chronic obstructive nasal breathing before treatment and the outcomes after bimaxillary orthognathic, genioplasty, and intranasal surgery.
Materials And Methods : A retrospective cohort study of patients with PMD undergoing bimaxillary orthognathic, chin, and intranasal surgery was implemented. The predictor variables were grouped into demographic, anatomic, operative, and longitudinal follow-up categories.
Background : The purpose of the present study was to assess the safety and efficacy of both functional intranasal procedures and cosmetic rhinoplasty combined with bimaxillary surgery. Methods : The author executed a retrospective cohort study derived from patients who underwent combined rhinoseptoplasty and bimaxillary surgery at a private practice setting Face Surgery Center, Parma, Italy between April and by a single surgeon.
Rgblink vsp 112 manual lymphatic drainage
This retrospective review examines the direct association between the amounts of maxillary advancement and relapse. We hypothesize that the greater the advancement, the greater the relapse amount. Purpose : The aim of the present study was to compare the long-term stability of bimaxillary surgery using an intraoral vertical ramus osteotomy IVRO with and without presurgical orthodontic treatment.
To evaluate low-level laser therapy LLLT as an adjunct to enhance postoperative mouth opening after orthognathic surgery. Prospective clinical trial of 82 patients allocated into an intervention group laser, LG and a control group no laser, CG and subgroups according to the procedure type : 1 surgically assisted rapid maxillary expansion SARME ; 2 maxillary surgery; 3 mandibular surgery; or 4 bimaxillary surgery.
Patients with bimaxillary protrusion may have an unattractive profile with a retruded chin contour.
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Correction of the severely protrusive anterior alveolar bone and teeth combined with a moderate open bite without orthognathic surgery can be challenging. This case report describes the orthodontic treatment of a woman with severe bimaxillary protrusion and a moderate open bite.
Purpose : The aim of this study was to examine the effects of bimaxillary orthognathic surgery on pharyngeal airway space PAS and respiratory function during sleep.
Materials And Methods : The subjects were 21 patients with class III skeletal relationship, and all of the patients underwent bimaxillary surgery Le Fort I advancement and bilateral sagittal split ramus setback osteotomies simultaneously. Purpose : This study aimed to assess body posture before and after bimaxillary orthognathic surgery by photogrammetry in skeletal class III patients.
Methods : Thirty-one patients with skeletal class III dentofacial deformities 14 men, 17 women who underwent orthodontic preparation for surgery were included in this non-randomized controlled trial. Of these, 15 who did not undergo orthognathic surgery during the period of this study served as controls.
Purpose : To verify predicted versus obtained surgical movements in 2-dimensional 2D and 3-dimensional 3D measurements and compare the equivalence between these methods. Materials And Methods : A retrospective observational study of bimaxillary orthognathic surgeries was performed. Postoperative cone-beam computed tomographic CBCT scans were superimposed on preoperative scans and a lateral cephalometric radiograph was generated from each CBCT scan. Introduction : Technological advances in 3D printing can dramatically improve orthognathic surgical planning workflow.
Custom positioning and cutting guides enable intraoperative reproduction of pre-planned osteotomy cuts and can result in greater surgical accuracy and patient safety. Objectives : This short paper describes the use of freeware some with open-source combined with in-house 3D printing facilities to produce reliable, affordable osteotomy cutting guides. The objective of this study was to assess changes in patient quality of life QoL after orthognathic surgery at the Kuwait University Dental Clinic.
Sixty-six patients participated Objective : To gain an experiential account of the processes of change associated specifically with orthognathic surgery. Design : A qualitative design was used. Semistructured interviews were carried out with 7 participants approximately 1 week before and weeks after surgery.
Postoperative nausea and vomiting PONV is one of the most unpleasant experiences after surgery. It reduces patient satisfaction and also increases hospital costs due to longer hospitalizations. The aim of this prospective study was to determine whether orthognathic surgery is associated with more PONV than less invasive maxillofacial surgery.
The authors aimed to test the hypothesis that in orthognathic surgery the maxilla could be repositioned using spatial distances from Glabella to 3 maxillary dental landmarks as references. An asymmetric skeletal Class 3 malocclusion patient was involved and bimaxillary orthognathic surgery was planned. Virtual surgery was simulated and spatial distances from Glabella to midpoint of the upper dentition U0 and bilateral medial-buccal cusp of the first molar 6L and 6R were measured.
University of Sassari Hospital Head: Dott. Introduction : The purpose of this study was to retrospectively evaluate the difference between the planned and the actual movements of the jaws, using three-dimensional 3D software for PC-assisted orthognathic surgery, to establish the accuracy of the procedure.
Material And Methods : A retrospective study was performed with 49 patients who had undergone PC-guided bimaxillary surgery. The accuracy of the protocol was determined by comparing planned movements of the jaws with the actual surgical movements, analysing frontal and lateral cephalometries. The aim of this study was to establish a fast-track protocol for bimaxillary orthognathic surgery OGS.
Fast-track surgery FTS is a multidisciplinary approach where the pre-, intra-, and postoperative management is focusing maximally on a quick patient recovery and early discharge. To enable this, the patients' presurgical stress and postsurgical discomfort should be maximally reduced.
This study was performed to compare soft tissue changes in response to mandibular and bimaxillary advancement osteotomy. Preoperative and postoperative cone beam computed tomography scans of 24 cases were analysed: 12 underwent bimaxillary advancement and 12 underwent mandibular advancement. The skeletal surgical movements were measured and soft tissue changes were displayed on a three-dimensional colour map.
The aim of this study was to evaluate the precision of bimaxillary surgery performed to correct vertical maxillary excess, when the procedure is sequenced with mandibular surgery first or maxillary surgery first. Thirty-two patients, divided into two groups, were included in this retrospective study.
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Group 1 comprised patients who received bimaxillary surgery following the classical sequence with repositioning of the maxilla first. Purpose : The purpose of this randomized trial was to measure the effect of intravenously administered tranexamic acid TXA on intraoperative blood loss IOB in patients undergoing bimaxillary orthognathic surgery OS.
Materials And Methods : The authors designed and implemented a double-blinded placebo-controlled trial composed of patients eligible for OS at the Hospital of South West Denmark Esbjerg, Denmark from August through September Purpose : The purpose of this study was to document malocclusion and facial dysmorphology in a series of patients with long face LF and chronic obstructive nasal breathing before treatment and the outcomes after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery.
Materials And Methods : A retrospective cohort study of patients with LF undergoing bimaxillary, chin, and intranasal septoplasty and inferior turbinate reduction surgery was implemented. Predictor variables were grouped into demographic, anatomic, operative, and longitudinal follow-up categories.