keyword
https://read.qxmd.com/read/38513792/effect-of-orthognathic-surgery-on-pulp-blood-flow-and-pulp-sensibility-a-prospective-control-trial
#1
JOURNAL ARTICLE
Kamel Saeed, James K Hartsfield, Raymond Lam, Steven Naoum, Mithran S Goonewardene
INTRODUCTION: Orthognathic surgery has the potential to compromise the vitality of the teeth. This paper aims to assess changes in pulp blood flow (PBF) and pulp sensibility (PS) of the anterior dentition following orthognathic surgery and to assess the influence of the proximity of the surgical osteotomy on the PBF and/or PS. METHODS: Twenty-six patients undergoing orthognathic surgery (Le Fort I or bilateral sagittal split osteotomy BSSO) were compared to sixteen control patients treated by fixed appliances only using Laser Doppler flowmeter (LDF) and thermal testing (CO2 snow)...
March 19, 2024: Journal of Endodontics
https://read.qxmd.com/read/38429199/cost-analysis-of-orthognathic-surgery-outpatient-care-versus-inpatient-care
#2
JOURNAL ARTICLE
C Pekkari, B Lund, T Davidson, A Naimi-Akbar, A Marcusson, C K Weiner
With limited healthcare resources, it is important to provide the right level and form of care. The aim of this study was to determine whether selected single-jaw orthognathic surgery in outpatient care (OPC) generates lower healthcare costs than in inpatient care (IPC). The costs of surgically assisted rapid maxillary expansion (SARME), Le Fort I osteotomy (LFI), and bilateral sagittal split osteotomy (BSSO) were calculated for 165 patients, 107 treated in OPC and 58 in IPC. Additionally, costs for revisits, emergency visits, emergency phone calls, re-operations, and plate removal during the first 12 months postoperatively were recorded...
February 29, 2024: International Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/38424318/evaluation-of-bone-contact-area-and-intercondylar-distance-changes-in-orthognathic-surgery-a-comparison-between-bsso-and-hsso-technique-depending-on-mandibular-displacement-extent
#3
JOURNAL ARTICLE
Stephan Christian Möhlhenrich, Kristian Kniha, Florian Peters, Marius Heitzer, Josef Szalma, Andreas Prescher, Gholamreza Danesh, Frank Hölzle, Ali Modabber
OBJECTIVES: The present study aims to assess the impact of bilateral and high oblique sagittal split osteotomy (BSSO/HSSO), as well as displacement distances and directions on the expected and achievable bone contact area (BCA) and changes in the intercondylar distance (ICD). The primary question addressed is whether mandibular splitting through BSSO results in a greater BCA and/or ICD when compared to splitting through HSSO. MATERIALS AND METHODS: Totally 80 mandibular displacements were performed on 20 fresh cadavers, for each subject, four splints were produces to facilitate mandibular advancement as well as setbacks of 4 and 8 mm...
March 1, 2024: Clinical Oral Investigations
https://read.qxmd.com/read/38383249/influencing-factors-for-the-development-of-obstructive-sleep-apnea-after-orthognathic-surgery-in-skeletal-class-iii-patients-a-systematic-review
#4
REVIEW
Ziqing Wei, Huan Jiang, Shaotai Wang, Zheqing Wang, Bo Qu, Min Hu
This systematic review aimed to investigate the factors that may contribute to the development of OSA after orthognathic surgery in patients with skeletal class III. Electronic searches of PubMed, Embase, Web of Science, and Cochrane databases were conducted up to December 10, 2022. In total, 277 studies were retrieved and screened according to the inclusion and exclusion criteria, and 14 were finally selected. All studies were of medium quality (moderate risk of bias). The occurrence of OSA after orthognathic surgery in patients with class III skeletal relationships depends on surgical factors and patient self-factors...
February 5, 2024: Journal of Cranio-maxillo-facial Surgery
https://read.qxmd.com/read/38356426/-mandibular-osteotomy-a-simpler-and-safer-method-of-osteosynthesis
#5
JOURNAL ARTICLE
Pierre Debras, Cyril Boulland, François Thonnart, Jean-François Dubois, Marc Laloux
Bilateral sagittal split osteotomy (BSSO) is a surgical procedure to treat mandibular malpositions. However, this surgery is associated with a risk of recurrence. Osteosynthesis techniques may be the cause of early recurrences. This study aims to demonstrate the efficiency and stability of osteosynthesis with two bicortical screws placed with a transjugal approach. We included patients who benefited from a BSSO alone, between May 2020 and August 2021. We performed the osteosynthesis using two bicortical screws placed with a transjugal approach...
February 2024: Revue Médicale de Liège
https://read.qxmd.com/read/38297403/effect-of-betamethasone-injection-into-the-pterygomandibular-space-on-the-neurosensory-disturbance-after-bilateral-sagittal-split-ramus-osteotomy-a-pilot-study
#6
JOURNAL ARTICLE
Shehab Ahmed Hamad, Khurshid A Kheder Khrwatany, Mustafa Rasul Mohammed, Saeed Hameed Tutmayi
AIM: The aim of this study was to evaluate the effect of local betamethasone injection into the pterygomandibular space on postoperative neurosensory deficits. MATERIALS AND METHODS: A prospective controlled clinical study was conducted on 16 patients (6 male, 10 female; mean age, 24.95 ± 9.22 years) who underwent bilateral sagittal ramus osteotomy for mandibular discrepancies. One side of each patient's mandible was randomly selected as the control side, and the opposite side as the experimental side...
February 1, 2024: European Journal of Medical Research
https://read.qxmd.com/read/38196107/parallel-osteotome-technique-new-approach-to-reduce-neurosensory-disturbances-following-bilateral-sagittal-split-osteotomy
#7
JOURNAL ARTICLE
Anantanarayanan Parameswaran, Elavenil Panneerselvam
PURPOSE: To determine clinically if parallel osteotome technique (POST) reduces incidence of neurosensory disturbances (NSD) following bilateral sagittal split osteotomy (BSSO), and to corroborate the findings with finite element analysis (FEA). PATIENTS METHODS: The investigation was a quasi-experimental study involving 30 patients requiring BSSO. The sample was divided into two groups: control undergoing conventional osteotomy technique and experimental using POST...
January 10, 2024: Plastic and Reconstructive Surgery
https://read.qxmd.com/read/38191831/investigation-of-the-efficacy-of-two-different-laser-types-in-the-treatment-of-lower-lip-paresthesia-after-sagittal-split-ramus-osteotomy
#8
RANDOMIZED CONTROLLED TRIAL
Ebru Baydan, Emrah Soylu
Orthognathic surgery involves invasive and major surgical procedures commonly used to correct maxillofacial deformities. Bilateral sagittal split ramus osteotomy (BSSO) is often used to treat dentofacial anomalies related to the mandible, but it can result in various complications, the most common of which is inferior alveolar nerve damage. Nerve damage-induced paresthesia of the lower lip significantly affects patient comfort. Medical treatments such as steroids and vitamin B, low-level laser therapy (LLLT), and platelet-rich fibrin (PRF) can be used as supportive therapies for nerve regeneration after damage...
January 9, 2024: Lasers in Medical Science
https://read.qxmd.com/read/38155012/accuracy-of-computer-assisted-design-and-manufactured-three-dimensional-device-for-condylar-positioning-in-mandibular-bilateral-sagittal-split-osteotomy-clinical-trial
#9
JOURNAL ARTICLE
Aliaa A Habib, Ahmed A Sharara, Tarek N Yousry, Ahmed O Swidan
INTRODUCTION: Aligning dental arches in orthognathic treatment after undergoing LeFort I osteotomy or bilateral sagittal split osteotomy (BSSO) relies on occlusal splints, which do not provide precise control over the condylar head. AIM OF THE STUDY: To clinically and radiographically assess the accuracy of computer-assisted design and manufactured (CAD/CAM) surgical guide for condylar positioning in a BSSO. MATERIALS AND METHODS: The study recruited 8 patients with a non-syndromic dentofacial deformity who underwent a BSSO...
November 8, 2023: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://read.qxmd.com/read/38129183/skeletal-stability-after-mandible-bilateral-sagittal-split-osteotomy-comparison-of-patient-specific-implant-and-mini-plate-fixation-a-retrospective-study
#10
JOURNAL ARTICLE
Minna Merta, Anu Kiukkonen, Junnu Leikola, Patricia Stoor, Juho Suojanen
The aim of the study was to compare the stability of the virtual surgical planning (VSP) and computer-aided design accompanied by patient-specific implants (PSIs) and conventional mini-plates in mandible advancement with bilateral sagittal split osteotomy (BSSO). This retrospective study evaluates the clinical and cephalometric records of 53 patients (12 male, 41 female) treated with BSSO in Helsinki University Hospital. Subjects were divided into two groups: VSP-PSI (21 patients: 4 male and 17 female; mean age 38 years, range 25-53 years); and conventional wafer-based repositioning with mini-plate fixation (32 patients: 8 male and 24 female; mean age 39 years, range 21-56 years)...
December 4, 2023: Journal of Cranio-maxillo-facial Surgery
https://read.qxmd.com/read/38105835/the-relation-between-mandibular-relapse-and-the-postoperative-mandibular-ramus-rotation-following-bsso-setback
#11
JOURNAL ARTICLE
Phathaitip Wittayakornlerk, Yutthasak Kriangcherdsak, Pattamawan Manosuthi
OBJECTIVES: This retrospective study aimed to determine the angulation changes of the proximal segment following bilateral sagittal split osteotomy (BSSO) setback and its correlation with the amount of immediate postoperative surgical movement. The correlation between postoperative relapse of the distal and proximal segment at six months postoperatively was also evaluated. MATERIALS AND METHODS: The CBCT-generated lateral cephalometric images of 39 patients who underwent BSSO setback with or without Le Fort I osteotomy were evaluated preoperatively ( T 0), immediately postoperative ( T 1), and six months postoperatively ( T 2)...
December 2023: Journal of Maxillofacial and Oral Surgery
https://read.qxmd.com/read/38105832/resistance-and-stress-analysis-of-3d-plate-and-locking-plate-fixation-in-bilateral-sagittal-split-osteotomy-a-comparative-finite-element-study
#12
JOURNAL ARTICLE
Vinayaka T Banakar, Supriya Bhandage, A Harish Kumar, Gwen R J Swennen
AIM: This study evaluates the biomechanical properties of 3D plates and compares it with locking plates, in both set back and advancement models of bilateral sagittal split osteotomy (BSSO) using finite element model analysis. DESIGN: A stereolithography model of mandibular structure was imported to hypermesh to create 3D solid finite model. A BSSO was simulated on hemimandibular model and advancement and setback simulations were carried out for a distance of 4, 6, and 8 mm each...
December 2023: Journal of Maxillofacial and Oral Surgery
https://read.qxmd.com/read/38105831/computed-tomographic-analysis-of-position-of-mandibular-canal-and-mandibular-foramen-in-patients-with-mandibular-asymmetry
#13
JOURNAL ARTICLE
S Shekhar, Pramod Subash, Arjun Krishnadas, Sony G Pullan, Ravi Veeraraghavan, Amelia Christabel
INTRODUCTION: Mandibular osteotomies in facial asymmetry are complicated by the abnormal position and course of inferior alveolar nerve. This manuscript aims to evaluate the possible variations in the preoperative positions of mandibular canal and mandibular foramen in patients with mandibular asymmetry due to condylar hyperplasia or condylar hypoplasia. MATERIALS & METHODS: This study included 15 patients with mandibular asymmetry due to condylar hyperplasia or condylar hypoplasia for which bilateral sagittal split osteotomy (BSSO) was performed as a corrective procedure...
December 2023: Journal of Maxillofacial and Oral Surgery
https://read.qxmd.com/read/38105811/condylar-hyperplasia-case-report-and-literature-review
#14
Avapati Pravallika, Col Suresh Menon, M E Sham, S Archana, Sheron Mathews
Condylar hyperplasia is a rare pathology characterised by excessive bone growth that presents virtually unilaterally, resulting in facial asymmetry. The aetiology of this disorder is not well understood. This pathology has been reported to be a rare entity with very few cases being reported in the literature, mostly seen between 11 and 30 years of age, with males and females being equally affected and having no predominance to the left or right side. It has also been reported to be a self-limiting condition, that is, the active growth can cease at any point in time...
December 2023: Journal of Maxillofacial and Oral Surgery
https://read.qxmd.com/read/38054145/evaluating-the-plantar-pressure-loading-and-its-correlation-to-craniocervical-posture-in-subjects-with-skeletal-class-ii-malocclusion-before-and-after-surgical-mandibular-advancement
#15
Ratna Parameswaran, Radhika Srimagesh, Anantanarayanan Parameswaran, Devaki Vijayalakshmi R
Class II malocclusion is one of the most prevalent types of malocclusions following Class I. The most typical postural features observed in Class II patients are extended craniocervical posture, cervical lordosis, and increased forward loading away from the body's centre of mass for compensating the mandibular deficiency and reduced airway. Its treatment involves orthodontic, functional, and orthognathic surgery. The type of treatment regimen opted for depends upon the age, severity of malocclusion, and need of the patient...
November 2023: Curēus
https://read.qxmd.com/read/38008679/quantifying-bone-healing-after-mandibular-displacement-in-orthognathic-surgery
#16
JOURNAL ARTICLE
Jan Oliver Voss, Rwis Bolis, Steffen Koerdt, Christian Doll, Kerstin Rubarth, Georg N Duda, Max Heiland, Heilwig Fischer, Carsten Rendenbach, Tobias Ebker, Claudius Steffen
Impaired bony healing following bilateral sagittal split osteotomy (BSSO) is a major unmet medical need for affected patients, and rare occurrences can hinder the identification of underlying risk factors. We hypothesised that osseous union following BSSO can be quantified using volumetric analysis, and we aimed to identify the risk factors for impaired bone healing. The percentage change in bony volume was measured in orthognathic patients following BSSO using two consecutive postoperative cone-beam computed tomography scans...
October 27, 2023: British Journal of Oral & Maxillofacial Surgery
https://read.qxmd.com/read/37992759/does-articular-disc-position-change-following-mandibular-setback-surgery
#17
JOURNAL ARTICLE
Nathakarn Thamwatharsaree, Wannakamon Panyarak, Kittichai Wantanajittikul, Uten Yarach, Kathawut Tachasuttirut
BACKGROUND: Maintaining condyle position following bilateral sagittal split ramus osteotomy (BSSO) is crucial to minimizing postoperative relapse. However, the impact of BSSO on the articular disc position remains inconclusive. PURPOSE: This study aimed to investigate the changes in articular disc position following setback BSSO surgery. STUDY DESIGN, SETTING, AND SAMPLING: In this prospective cohort study, subjects with mandibular prognathism requiring setback BSSO were enrolled between August 2021 and June 2022 at the Oral and Maxillofacial Surgery Clinic, Faculty of Dentistry, Chiang Mai University, Thailand...
November 4, 2023: Journal of Oral and Maxillofacial Surgery
https://read.qxmd.com/read/37910238/does-mandibular-osteotomy-affect-the-infraorbital-nerve-a-prospective-study
#18
JOURNAL ARTICLE
Kıvanç Berke Ak, Abdullah Özel, Muazzez Süzen, Sina Uçkan
OBJECTIVES: The aim of this study was to evaluate the sensory function of the infraorbital nerve after orthognathic surgery (OS). MATERIALS AND METHODS: Patients who underwent Le Fort I osteotomy with or without BSSO for dentofacial deformity treatment were studied. Two groups were created according to whether BSSO was performed. Class A tests were performed to determine the degree of peripheral nerve damage. The Class B test was performed if decreased sensation was detected in at least one of these tests...
November 1, 2023: Clinical Oral Investigations
https://read.qxmd.com/read/37889045/thematic-analysis-of-parental-experiences-of-patients-orthognathic-surgery
#19
JOURNAL ARTICLE
Alexis Johns, Julia Zukin, Lauren Odono, Ana Karin Cardenas, Jennifer Baird, Noreen Clarke
Orthognathic surgery often requires extensive orthodontic preparation and a prolonged postoperative recovery that can be stressful for patients and their families. Parents are a primary source of support for patients; accordingly, a better understanding of the parents' experience of orthognathic surgery can help inform clinical care. Using a prospective cross-sectional qualitative study design, 4 focus groups (2 English and 2 Spanish; mean length 65 min) were held with parents of patients who had completed orthognathic surgery for class II/III malocclusion...
October 27, 2023: Journal of Craniofacial Surgery
https://read.qxmd.com/read/37866504/radiological-evaluation-of-inferior-alveolar-nerve-displacement-after-removal-of-impacted-mandibular-third-molars-prior-to-sagittal-split-osteotomy
#20
JOURNAL ARTICLE
Thomas Bagourd, Andrea Varazzani, Sophie Dugast, Pierre Guyonvarc'h, Pierre Corre, Hélios Bertin
INTRODUCTION: We hypothesize that the removal of mandibular third molars (M3) 6 months prior to a bilateral sagittal split osteotomy (BSSO) could allow the displacement of the inferior alveolar nerve (IAN) in a favorable lingual position. This study aimed to radiographically compare the position of IAN before and after M3 removal in patients with Class II malocclusion. MATERIALS AND METHOD: The CBCT images of 30 randomly selected patients (mean age 15.5 years, 19 females and 11 males) were segmented regarding the mandibular bone and the IAN canal...
October 20, 2023: Journal of Stomatology, Oral and Maxillofacial Surgery
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