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https://www.readbyqxmd.com/read/28440029/treatment-effects-of-reverse-twin-block-and-reverse-pull-face-mask-on-craniofacial-morphology-in-early-and-late-mixed-dentition-children
#1
N Fareen, M K Alam, M F Khamis, N Mokhtar
OBJECTIVE: Reverse Twin-Block (RTB) and Reverse Pull Face Mask (RPFM) appliances are used to correct Class III malocclusion in growing patients. Aim of this retrospective study was to compare and analyse craniofacial changes produced by RTB and RPFM in the early and late mixed dentition in Malay children with Class III malocclusion. METHODS: Data consisted of pre- and post-treatment lateral cephalograms of 95 children, 49 patients with RTB and 46 patients with RPFM, divided into an early (8-9 year) and late (10-11 year) group...
April 25, 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28440024/immediate-and-delayed-loading-of-two-piece-reduced-diameter-implants-with-locator-analog-attachments-in-edentulous-mandibles-one-year-results-from-a-randomized-clinical-trial-examining-clinical-outcome-and-patient-expectation
#2
Nikolaos Nikitas Giannakopoulos, Kirsten Ariaans, Lydia Eberhard, Anna-Luisa Klotz, Keunyoung Oh, Stefanie Kappel
BACKGROUND: Prosthetic management of thin alveolar ridges in the edentulous mandibles of elderly patients, especially the time of loading, the number of implants needed, and patient expectations and perception, is a challenge in implant dentistry. PURPOSE: Survival of conventionally and immediately loaded 2-piece reduced-diameter implants in the interforaminal region of the edentulous mandible supporting locator-analog attachments was evaluated. Prosthetic complications and peri-implant hygiene were also studied, and patient expectation and subjective evaluation of the treatment were documented...
April 24, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28439543/saving-the-injured-rescue-behavior-in-the-termite-hunting-ant-megaponera-analis
#3
Erik Thomas Frank, Thomas Schmitt, Thomas Hovestadt, Oliver Mitesser, Jonas Stiegler, Karl Eduard Linsenmair
Predators of highly defensive prey likely develop cost-reducing adaptations. The ant Megaponera analis is a specialized termite predator, solely raiding termites of the subfamily Macrotermitinae (in this study, mostly colonies of Pseudocanthotermes sp.) at their foraging sites. The evolutionary arms race between termites and ants led to various defensive mechanisms in termites (for example, a caste specialized in fighting predators). Because M. analis incurs high injury/mortality risks when preying on termites, some risk-mitigating adaptations seem likely to have evolved...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28439173/surgical-correction-of-brodie-bite-in-adults-a-novel-surgical-splint
#4
P Ratna, B Srinivasan, R Devaki Vijayalakshmi, C Ravanth Kumar
INTRODUCTION: The incidence of telescopic bite is a rare occurrence. Brodie bite malocclusions manifest with severe skeletal and dental transverse, sagittal and vertical problems. MATERIALS AND METHODS: A patient presenting with a telescopic bite and mandibular retrognathism was treated by orthognathic approach. A unique surgical splint was used as an aid in performing the maxillary constriction and segmental osteotomy. CONCLUSION: The telescopic bite was corrected successfully and occlusal rehabilitation was achieved...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439172/management-of-chronic-recurrent-dislocation-of-temporomandibular-joint-using-u-shaped-graft-a-new-restrictive-technique
#5
Kiran Gadre, Divya Singh, Pushkar Gadre, Rajshekhar Halli
BACKGROUND: Numerous procedures have been described for the treatment of chronic recurrent dislocation of the temporo-mandibular joint (TMJ), either in the form of enhancement or restriction of the condylar movement, with their obvious merits and demerits. MATERIALS AND METHOD: We present a new technique of using U shaped iliac bone graft to restrict the condylar movement and its advantages over the conventional techniques.We have used this technique successfully in 8 cases where Dautrey's procedure had failed with follow up period of 2 years...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439163/superolateral-dislocation-of-bilateral-intact-mandibular-condyles-a-rare-case-series
#6
Satishkumar G Patil, Bindu S Patil, Udupikrishna Joshi, B M Rudagi, Aafreen Aftab
BACKGROUND AND PURPOSE: The dislocation of mandibular condyle is a clinical condition in which the head of condyle has been displaced out of the glenoid fossa. Complete dislocation of the mandibular condyle can occur in anterior, posterior, lateral and superior direction. Among these dislocations, bilateral superolateral dislocation of mandibular condyles is quite rare and often misdiagnosed. Because of its rare occurrence and unusual clinical course, the best treatment is debatable. PATIENTS AND METHOD: We present the first case series of true bilateral superolateral dislocation of intact mandibular condyles (Type 2B) without fracturing the Zygomatic arch, associated with symphysis fracture...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439162/evaluating-the-effect-of-minimizing-screws-on-stabilization-of-symphysis-mandibular-fracture-by-3d-finite-element-analysis
#7
Ghias Kharmanda, Mohamed-Yaser Kharma
PURPOSE: The objective of this work is to integrate structural optimization and reliability concepts into mini-plate fixation strategy used in symphysis mandibular fractures. The structural reliability levels are next estimated when considering a single failure mode and multiple failure modes. PATIENTS AND METHODS: A 3-dimensional finite element model is developed in order to evaluate the ability of reducing the negative effect due to the stabilization of the fracture...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439159/a-randomized-controlled-study-comparing-efficacy-of-classical-and-gow-gates-technique-for-providing-anesthesia-during-surgical-removal-of-impacted-mandibular-third-molar-a-split-mouth-design
#8
Nanjappa Madan, Kateel Shashidhara Kamath, A L Gopinath, A Yashvanth, Nagaraj Vaibhav, G Praveen
INTRODUCTION: Reliable profound mandibular block anesthesia is questionable when depositing the anesthetic solution at the lingula. The Gow-Gates technique is an useful alternative to the classical inferior alveolar nerve block and the incidence of unsuccessful anesthesia may be as high as classical technique. The aim of this study is to compare the clinical efficacy, degree of patient acceptability, advantages, disadvantages and limitations of the classical and Gow-Gates techniques for providing anesthesia in patients undergoing bilateral symmetrical surgical removal of impacted mandibular third molar under local anesthesia...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439157/re-assessment-of-coronoid-as-a-graft-for-condylar-reconstruction-in-tmj-ankylosis-patients-a-prospective-study-and-literature-review
#9
Gagan Mehta, Shadab Mohammad, Hari Ram, Vibha Singh, Rakesh Kumar Chak, Shiwani Garg, Kuldeep Vishwakarma
INTRODUCTION: Treatment for TMJ ankylosis aims at restoring joint function, improving the patient's aesthetic appearance and quality of life and preventing re-ankylosis. To rebuild a structurally and functionally satisfactory neocondyle is a challenging problem. Aim of this study is to re-assess the coronoid as a graft for condyle reconstruction. MATERIALS AND METHODS: Twenty patients of TMJ ankylosis without involvement of the coronoid process in ankylotic mass, coming in age group elder than 14 years were selected for the study over a period 3 years from 2011 to 2014...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439152/intraosseous-leiomyoma-of-the-mandible-a-case-report-of-the-rare-entity-and-review-of-literature
#10
REVIEW
Kirti Chaudhry Dutt, Sukhvinder Bindra, Meenakshi Awana, Manjit Talwar, Gurvanit Lehl
INTRODUCTION: Leiomyoma is a rare tumor of smooth muscle origin with a very low incidence in the maxillofacial region. Intraosseous occurrence of oral leiomyoma is even rare with involvement of mandible followed by maxilla. AIM: The purpose of this paper is to present a case of intraosseous leiomyoma of the left mandibular angle region with the review of literature describing this rare entity. The paper also highlights the need to include this entity in differential diagnoses of jaw lesions...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438596/can-preoperative-intramuscular-single-dose-dexamethasone-improve-patient-centered-outcomes-following-third-molar-surgery
#11
Mahmoud Al-Dajani
PURPOSE: Because of increased attention focused on administering dexamethasone to treat third molar surgical complications, this study investigated the efficacy of single-dose dexamethasone in managing postoperative complications after impacted third molar surgery. Pain intensity and analgesic intake, patients' discomfort, limitation of oral function, and limitation of daily activities were assessed. MATERIALS AND METHODS: This triple-blinded split-mouth randomized controlled clinical trial included patients 18 to 30 years old who underwent randomized bilateral extractions of impacted mandibular third molars during 2 consecutive sessions...
March 31, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28438151/effect-of-platelet-rich-fibrin-on-edema-and-pain-following-third-molar-surgery-a-split-mouth-control-study
#12
Uğur Gülşen, Mehmet Fatih Şentürk
BACKGROUND: To evaluate the efficacy of platelet-rich fibrine (PRF) on postoperative edema and pain after impacted mandibular third molar surgery. METHODS: The prospective study was comprised 30 patients who presented for the removal of bilateral impacted mandibular third molar teeth. After extraction, the sockets were filled with PRF or without PRF in the study and control groups, respectively. Postoperative edema was measured with a flexible tape measure by calculating the distance between several facial landmarks on postoperative days two and seven...
April 24, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28438150/intermittent-parathyroid-hormone-improve-bone-microarchitecture-of-the-mandible-and-femoral-head-in-ovariectomized-rats
#13
Ying-Ju Chen, Shun-Ping Wang, Fu-Chou Cheng, Pei-Yu Hsu, Yu-Fen Li, Jay Wu, Heng-Li Huang, Ming-Tzu Tsai, Jui-Ting Hsu
BACKGROUND: Intermittent parathyroid hormone (PTH) can be used to treat osteoporosis of the spine and hip. However, whether it can be used to treat osteoporosis of the mandible is unclear. The purpose of this study was to explore the influence of applying intermittent PTH to ovariectomized rats on the trabecular bone microarchitecture of the mandible and femoral head. METHODS: Eighteen female rats were divided into three groups: the healthy group, ovariectomized (OVX) group, and OVX + PTH group...
April 24, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28437515/a-new-equation-for-predicting-evolution-of-oral-pain-in-orthodontic-treatment-a-longitudinal-prospective-cohort-study
#14
Monica Larrea, Rosario Salvador, Rosa Cibrian, Jose Luis Gandia, Vanessa Paredes-Gallardo
AIMS: To develop an equation capable of relating the evolution of oral pain to the time elapsed, measured from the moment of dental archwire fitting and identifying when pain begins, peaks, and ends; and secondly, to compare pain during orthodontic treatment in relation to archwire material (steel or nickel-titanium [Ni-Ti]) and position (maxillary or mandibular) and patient age (child, teenager, or adult) and gender (male or female). METHODS: A longitudinal prospective cohort study was conducted of 112 patients who filled in a scale to evaluate pain, noting the times when the pain occurred...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437508/comparative-evaluation-of-anesthetic-efficacy-of-2-lidocaine-4-articaine-and-0-5-bupivacaine-on-inferior-alveolar-nerve-block-in-patients-with-symptomatic-irreversible-pulpitis-a-prospective-randomized-double-blind-clinical-trial
#15
Vivek Aggarwal, Mamta Singla, Sanjay Miglani
AIMS: To compare the anesthetic efficacy of 1.8 mL of 2% lidocaine with 1:200,000 epinephrine, 4% articaine with 1:100,000 epinephrine, and 0.5% bupivacaine with 1:200,000 epinephrine on producing inferior alveolar nerve block (IANB) in patients with symptomatic irreversible pulpitis. METHODS: A total of 91 adult patients who were actively experiencing mandibular molar pain were involved in this study. The patients were randomly divided into three groups on the basis of the anesthetic solution used...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437271/surgical-management-of-traumatic-peripheral-osteoma-of-the-mandible
#16
André Bachega Gomes Geron, Vinícius Almeida Carvalho, Jessica Luana Dos Santos, Luciana Yamamoto Almeida, Jorge Esquiche León, Alexandre Elias Trivellato, Cássio Edvard Sverzut
Osteomas are benign osteogenic lesions that result from the proliferation of mature bone. Three variants are known: central, peripheral, and extraskeletal. The peripheral variant is the most common and it most frequently affects the paranasal sinuses, rarely occurring in the jaws. This article describes the case of a 33-year-old white male patient who was referred complaining of facial asymmetry. Clinical examination revealed an increase in volume at the base of the right side of the mandible, hard bony consistency and well delimited, painless to the touch, without signs of infection or intraoral alterations...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28437270/surgical-resolution-of-bilateral-hypertrophy-of-masseter-muscle-through-intraoral-approach
#17
Guilherme Dos Santos Trento, Leonardo Silva Benato, Nelson Luis Barbosa Rebellato, Leandro Eduardo Klüppel
Masseter muscle hypertrophy is an untypical anomaly with no definite cause and its diagnosis is easily completed through physical examination and imaging examinations. In some cases, patient may report signs and symptoms of well-localizated pain. However, it is generally asymptomatic and patient's chief complaint is about esthetic because of facial asymmetry. In this case, surgery is carefully indicated. The aim of this article is to report a case of a male patient with no painful and functional complaints but an important unease over his facial asymmetry...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28437266/gelfoam-interposition-minimizes-risk-of-fistula-and-postoperative-bleeding-in-modified-furlow-palatoplasty
#18
Jing Li, Patrick A Gerety, James Johnston, Jesse A Taylor
Failure to accomplish a tension-free, watertight closure predisposes the palatoplasty patient to fistula formation. Perioperative bleeding also places the patient at risk for adverse airway events (AAE). This study introduces the incorporation of a hemostatic gelatin sponge (Gelfoam) into layered palatoplasty to minimize adverse postoperative bleeding and fistula formation. A retrospective chart review was performed to identify subjects who underwent Furlow palatoplasty with insertion of Gelfoam from 2010 to 2015...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28437035/the-association-between-oral-examination-findings-and-the-computed-tomographic-appearance-of-the-equine-temporomandibular-joint
#19
J L Carmalt, H Simhofer, A Bienert-Zeit, J E Rawlinson, C L Waldner
BACKGROUND: The temporomandibular joint (TMJ) forms the junction between the maxilla and mandible. Movement of the jaw and resulting masticatory forces have been extensively studied in the horse; however, less is known about the inter-relationship between this joint and oral and dental pathology. OBJECTIVES: To determine the association between specific oral and dental pathologies and anatomical variations of the TMJ imaged with computed tomography (CT) in horses with asymptomatic TMJs...
April 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28436308/the-different-effects-of-intraoral-vertical-ramus-osteotomy-ivro-and-sagittal-split-ramus-osteotomy-ssro-on-mandibular-border-movement
#20
Hiroki Komori, Noriaki Kawanabe, Tomoki Kataoka, Yui Kato, Atsuro Fujisawa, Takashi Yamashiro, Hiroshi Kamioka
OBJECTIVES: This study investigated the different effects of intraoral vertical ramus osteotomy (IVRO) and sagittal split ramus osteotomy (SSRO) on mandibular border movement. METHODS: The participants included 22 patients receiving IVRO and 22 patients receiving SSRO who were treated at Okayama University Hospital. Their mandibular border movement was evaluated in three dimensions with 6° of freedom using an optical recording system. RESULTS: A strong correlation between condylar and lower incisor movement was observed during maximum jaw protrusion and laterotrusion...
April 23, 2017: Cranio: the Journal of Craniomandibular Practice
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