Mandible Fractures

2019 ◽  
pp. 553-580
Author(s):  
Yeshaswini Thelekkat ◽  
Warren Schubert
Keyword(s):  
Treatment Options ◽  
Inferior Alveolar Nerve ◽  
Early Mobilization ◽  
Load Sharing ◽  
Surgical Anatomy ◽  
Mandibular Fractures ◽  
Load Bearing ◽  
Form And Function ◽  
Mandible Fractures ◽  
And Function

This chapter summarizes the treatment options for different fractures of the mandible with emphasis on early mobilization and restitution of form and function. Emphasis in the management of mandibular fractures includes the establishment of the premorbid occlusion, surgical anatomy, the course of the inferior alveolar nerve, and biomechanics of the mandible. The principles of plating and the concepts of load-sharing and load-bearing osteosynthesis have also been discussed so that the reader will better understand the application of each in different fracture situations. The chapter concludes by briefly describing the complications of mandible fractures and their management.

Comparing Load-Sharing Miniplate and Load-Bearing Plate Fixation in Atrophic Edentulous Mandibular Fractures

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Michelle Seu ◽  
Hossein E. Jazayeri ◽  
Joseph Lopez ◽  
Nima Khavanin ◽  
Isabel V. Lake ◽  
...  
Keyword(s):  
Plate Fixation ◽  
Load Sharing ◽  
Mandibular Fractures ◽  
Load Bearing ◽  
Bearing Plate

scholarly journals Surgery of the Palatomaxillary Structure

2020 ◽  
Vol 34 (02) ◽  
pp. 071-076
Author(s):  
Ameya A. Jategaonkar ◽  
Vivian F. Kaul ◽  
Eric Lee ◽  
Eric M. Genden
Keyword(s):  
Free Tissue Transfer ◽  
Surgical Anatomy ◽  
Classification Systems ◽  
Defect Classification ◽  
Local Flaps ◽  
Significant Morbidity ◽  
Prosthetic Rehabilitation ◽  
Form And Function ◽  
Complex Defect ◽  
And Function

AbstractThe palatomaxillary structure plays critical roles in both form and function of the midface. Surgical defects of the palate and maxilla can be associated with significant morbidity and deformity. Various defect classification systems have been used to assist in reconstruction and rehabilitation. Reconstructive options include prosthetic rehabilitation, local flaps, and free tissue transfer. Here, we review the functional and surgical anatomy of the palatomaxillary complex, defect classification systems, and provide an overview of reconstructive options.

Mandibular Fractures: Diagnosis and Management

2021 ◽  
Author(s):  
Kanvar Panesar ◽  
Srinivas M. Susarla
Keyword(s):  
Fracture Fixation ◽  
Intraoperative Imaging ◽  
Surgical Anatomy ◽  
Mandibular Fractures ◽  
Non Union ◽  
3 Dimensional ◽  
Diagnosis And Management ◽  
Facial Esthetics ◽  
And Function ◽  
Fixation Principles

AbstractAccurate evaluation, diagnosis, and management of mandibular fractures is essential to effectively restore an individual's facial esthetics and function. Understanding of surgical anatomy, fracture fixation principles, and the nuances of specific fractures with respect to various patient populations can aid in adequately avoiding complications such as malocclusion, non-union, paresthesia, and revision procedures. This article reviews comprehensive mandibular fracture assessment, mandibular surgical anatomy, fracture fixation principles, management considerations, and commonly encountered complications. In addition, this article reviews emerging literature examining 3-dimensional printing and intraoperative imaging.

scholarly journals Management of Complex Mandible Fractures

2019 ◽  
Vol 35 (06) ◽  
pp. 602-606
Author(s):  
Tom Shokri ◽  
Emily Misch ◽  
Yadranko Ducic ◽  
Mofiyinfolu Sokoya
Keyword(s):  
Treatment Options ◽  
Injury Pattern ◽  
Mandibular Fractures ◽  
Craniomaxillofacial Trauma ◽  
Mandible Fractures

AbstractMandible fractures represent a common sequela of craniomaxillofacial trauma encountered by reconstructive surgeons. Management of complex mandibular fractures, and reestablishment of the occlusal relationship, represents a challenging reconstructive endeavor for even the most skilled surgeon. In this article, the authors review the treatment options for particularly complex presentations of this injury pattern.

scholarly journals Pathologic Fractures in Bisphosphonate-Related Osteonecrosis of the Jaw—Review of the Literature and Review of Our Own Cases

2013 ◽  
Vol 6 (3) ◽  
pp. 147-154 ◽  
Author(s):  
Sven Otto ◽  
Christoph Pautke ◽  
Sigurd Hafner ◽  
Ronny Hesse ◽  
Lea Franziska Reichardt ◽  
...  
Keyword(s):  
Case Reports ◽  
Treatment Options ◽  
Maxillofacial Surgery ◽  
Case Series ◽  
Pathologic Fracture ◽  
Osteonecrosis Of The Jaw ◽  
Oral And Maxillofacial Surgery ◽  
Mandibular Fractures ◽  
Pathologic Fractures ◽  
Mandible Fractures

Background Bisphosphonates are powerful drugs used for the management of osteoporosis and metastatic bone disease to avoid skeletal-related complications. Side effects are rare but potentially serious such as the bisphosphonate-related osteonecrosis of the jaws (BRONJ). BRONJ impairs the quality of life and can even lead to pathologic fractures of the mandible. Management of BRONJ is difficult per se. If complicated with pathologic mandibular fractures in advanced stages, the treatment options are controversially discussed. This review delineates the epidemiology and pathogenesis of BRONJ to put the various modalities for the treatment of pathologic mandible fractures into perspective. Methods Various case reports and case series in the literature were reviewed. Cases were reviewed of patients suffering from pathologic fracture due to bisphosphonate-related osteonecrosis of the jaw treated in the Department of Oral and Maxillofacial Surgery (Ludwig-Maximilians-University of Munich) from 2003 to 2010. Of 140 patients suffering from BRONJ, four were identified with pathologic fracture of the mandible. Results Management of pathologic mandibular fractures in patients suffering from BRONJ is an unsolved issue. At present there is a paucity of information to establish reliable therapy guidelines. The published strategies range from conservative treatment to major bone resections with or without internal or external fixation and with or without autogenous reconstruction. There is no evidence for the superiority of a single therapeutic mode, however. Conclusion Further understanding of BRONJ is mandatory to establish a sound rationale for the treatment of associated mandibular fractures.

scholarly journals Mandibular reconstruction: a review

2019 ◽  
Vol 9 (2) ◽  
pp. 50-54
Author(s):  
Mir Nowazesh Ali ◽  
Rezwana Binte Anwar ◽  
Ruman Banik ◽  
Sajid Hasan ◽  
Md Raihan Ul Arefin ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Inferior Alveolar Nerve ◽  
Malignant Tumour ◽  
Poor Quality ◽  
Mandibular Reconstruction ◽  
Facial Disfigurement ◽  
Form And Function ◽  
And Function ◽  
Improve Patient

Mandibular defects may occur from maxillofacial injury, inflammatory disease, benign or malignant tumour resections and osteoradionecrosis. Mastication, speech and facial disfigurement are often severely compromised without reconstruction leading to poor quality of life. The goal of mandibular reconstruction is to restore facial form and function, repair of mandibular continuity and soft tissue reanimation. Implant insertion should be feasible to allow occlusal rehabilitation and if possible the inferior alveolar nerve function should be restored. Mandibular reconstruction principles and techniques have evolved dramatically over the years. Refinements in techniques continue to improve patient quality of life. This paper reviews short history, current techniques and few promising future endevours related to mandibular reconstruction. Update Dent. Coll. j: 2019; 9 (2): 50-54

scholarly journals Hemisection- A Saviour for Periodontally & Cariously Involved Permanent Mandibular Molar

2021 ◽  
pp. 1-3
Author(s):  
Manisha Yadav ◽  
◽  
Shilpi K Pandey ◽  
Poonam Agrawa ◽  
Devikarani S Khurpade ◽  
...  
Keyword(s):  
Treatment Options ◽  
Removable Partial Denture ◽  
Partial Denture ◽  
Tooth Structure ◽  
Form And Function ◽  
Proper Form ◽  
Fixed Partial Denture ◽  
Fixed Dental Prosthesis ◽  
Mandibular Molar ◽  
And Function

Progressive carious and inflammatory involvement of teeth if left untreated will ultimately lead the loss of tooth structure in the oral cavity. Earlier clinician was left with no option but extraction of such hopeless teeth followed by replacement with fixed partial denture, removable partial denture or implants. Hemisection is a removal of compromised root and the associated crown portion. It is one of the treatment options for preserving remaining part of molar having sound periodontium. This case report presents a patient in which distal half of the teeth was carious but with sound periodontium and the periodontally compromised mesial root was resected, and after healing, fixed dental prosthesis was delivered to restore proper form and function

scholarly journals The Use of 2.4-mm Locking Plate System in Treating Comminuted Mandibular Fracture by Firearm

2012 ◽  
Vol 5 (2) ◽  
pp. 91-96 ◽  
Author(s):  
Cassiano Costa Silva Pereira ◽  
Pâmela Letícia dos Santos ◽  
Ellen Cristina Gaetti Jardim ◽  
Idelmo Rangel Garcia Júnior ◽  
Elio Hitoshi Shinohara ◽  
...  
Keyword(s):  
Locking Plate ◽  
Mandibular Fracture ◽  
Mandibular Fractures ◽  
Form And Function ◽  
Advantages And Disadvantages ◽  
Mandibular Body ◽  
And Function ◽  
Locking Plate System ◽  
Early Restoration ◽  
Plate System

Maxillofacial trauma caused by firearms has considerably increased, in which the mandibular body is the site of highest incidence of firearm projectiles. In these cases, the use of titanium plates and screws allows the early restoration of form and function of the mandible with stable and predictable results. Recently, conventional plates have been extensively used to treat comminuted mandibular fractures. Nevertheless, the conventional system presents several limitations such as screw compression against the bone interface and the necessity of precise fit of plate to the bone. To overcome such drawbacks, the locking plates have emerged. The present clinical case reported the operative treatment of mandibular fracture caused by firearm projectiles with the use of locking plate. The indications, advantages, and disadvantages of this system are presented.

Scanning tunneling microscopy (STM) of DNA and RNA

1989 ◽  
Vol 47 ◽  
pp. 34-35
Author(s):  
Patricia G. Arscott ◽  
Gil Lee ◽  
Victor A. Bloomfield ◽  
D. Fennell Evans
Keyword(s):  
Molecular Structures ◽  
Inorganic Materials ◽  
Resolving Power ◽  
Scanning Tunneling ◽  
Tunneling Microscopy ◽  
Form And Function ◽  
Dna And Rna ◽  
Calf Thymus ◽  
And Function ◽  
The Relationship

STM is one of the most promising techniques available for visualizing the fine details of biomolecular structure. It has been used to map the surface topography of inorganic materials in atomic dimensions, and thus has the resolving power not only to determine the conformation of small molecules but to distinguish site-specific features within a molecule. That level of detail is of critical importance in understanding the relationship between form and function in biological systems. The size, shape, and accessibility of molecular structures can be determined much more accurately by STM than by electron microscopy since no staining, shadowing or labeling with heavy metals is required, and there is no exposure to damaging radiation by electrons. Crystallography and most other physical techniques do not give information about individual molecules.We have obtained striking images of DNA and RNA, using calf thymus DNA and two synthetic polynucleotides, poly(dG-me5dC)·poly(dG-me5dC) and poly(rA)·poly(rU).

Surgery for Lung Cancer and the Consequences for the Swallow

2016 ◽  
Vol 1 (13) ◽  
pp. 162-168
Author(s):  
Pippa Hales ◽  
Corinne Mossey-Gaston
Keyword(s):  
Lung Cancer ◽  
Treatment Options ◽  
Vocal Cord Palsy ◽  
Subsequent Treatment ◽  
Physiological Reserve ◽  
Palliative Phase ◽  
And Function ◽  
The Impact ◽  
Swallow Function

Lung cancer is one of the most commonly diagnosed cancers across Northern America and Europe. Treatment options offered are dependent on the type of cancer, the location of the tumor, the staging, and the overall health of the person. When surgery for lung cancer is offered, difficulty swallowing is a potential complication that can have several influencing factors. Surgical interaction with the recurrent laryngeal nerve (RLN) can lead to unilateral vocal cord palsy, altering swallow function and safety. Understanding whether the RLN has been preserved, damaged, or sacrificed is integral to understanding the effect on the swallow and the subsequent treatment options available. There is also the risk of post-surgical reduction of physiological reserve, which can reduce the strength and function of the swallow in addition to any surgery specific complications. As lung cancer has a limited prognosis, the clinician must also factor in the palliative phase, as this can further increase the burden of an already compromised swallow. By understanding the surgery and the implications this may have for the swallow, there is the potential to reduce the impact of post-surgical complications and so improve quality of life (QOL) for people with lung cancer.

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