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1641
Diagnosis and Management of Lemierre’s Syndrome Presented with Multifocal Pneumonia and Cerebral Venous Sinus Thrombosis
Published 2020-01-01“…A combination of upper respiratory symptoms with tooth infection, positive blood culture for Fusobacterium nucleatum, computed tomography (CT) chest finding of multifocal pneumonia, and magnetic resonance imaging (MRI) finding of internal jugular vein thrombosis (IJVT) and cerebral venous sinus thrombosis (CVST) suggested Lemierre syndrome. …”
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1642
Comparative Evaluation of Survival Against Fracture in Premolars Treated Endodontically for Cervical Lesions and Restored with Resin and Crowns
Published 2024-12-01“…Background: For endodontic treatment, coronal restoration is crucial in preventing coronal leakage and protecting against fractures in the remaining tooth structure. Aim: To evaluate the effect of the restorations in endodontically treated teeth on survival against fracture in premolars having cervical lesions to identify the prognostic factors depicting the fracture. …”
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1643
Cytotoxicity comparison between fluoride varnish and SDF in pulpal stem cells using MTT assay: an in vitro study
Published 2024-06-01“…The teeth were stored for less than 30 days in 0.1% thymol solution at 23°C prior to the experiment. Each tooth was coated with fluoride varnish and SDF respectively. …”
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1644
DEVELOPMENT AND APPLICATION OF MINING MACHINERY PLANETARY REDUCTION GEARS STRENGTH CHECK SOFTWARE
Published 2018-01-01“…Take the contact normal force from mining machinery dynamics simulation as the input of the software with other necessary gear’s design and material parameters,the software can achieve gear tooth surface contact stress and root bending stress checking. …”
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1645
Fault Mechanism Analysis of Transmission System for a Shearer Rocker Arm
Published 2018-01-01“…Due to improper selection and maintenance of lubricating oil,the viscosity of the lubricating oil can not meet the lubrication requirements,which leads to the over-heating of the transmission system,bearing failure and partial overloading of the gear,even tooth pitting and partial broken teeth occurs,and further leads to the failure of the rocker gear transmission system. …”
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1646
Aneurysmal Bone Cyst of Maxilla With Palatal Perforation: A Case Report
Published 2025-01-01“…In this case a 25-year-old male presented to our department in August 2022 complaining of painless swelling in the right upper back tooth and palatal region persisting for 2 months. …”
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1647
Designing Research on Variable Ratio for Recirculating Ball Steering Gears with Eccentric Gear Sector
Published 2023-02-01“…According to the instantaneous corrected ratio, the tooth profile surface of the eccentric gear sector is designed, which can enable the steering gear to output the expected ratio curve. …”
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1648
THE BENEFITS OF ZIRCONIUM CROWNS VERSUS STAINLESS STEEL CROWNS IN PEDIATRIC DENTISTRY. A REVIEW ARTICLE
Published 2024-12-01“…In contrast, zirconia crowns, which are tooth-colored full crowns, provide an excellent aesthetic solution and are more effective in maintaining and promoting gingival health. …”
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1649
Reestablishing the Function and Esthetics in Traumatized Permanent Teeth with Large Apical Lesion
Published 2016-01-01“…An apical surgery was carried out to remove the apical periodontitis and to return the aesthetics to the patient; internal and external tooth whitening in maxillary right central incisor was performed. …”
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1650
Analysis on the Meshing Performance of Modified Involute Enveloping Toroidal Worm Transmission Based on Medium Gears
Published 2024-07-01“…Due to the characteristics of multi-tooth line contact, toroidal involute worm drive has the advantages of high bearing capacity and so on. …”
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1651
Unusual Maxillary First Molars with C-Shaped Morphology on the Same Patient: Variation in Root Canal Anatomy
Published 2019-01-01“…A maxillary first molar should be considered a four-canal tooth until proved otherwise; however, a clinician should also be aware of the possibility of the presence of C-shaped root canal configuration with or without possibility of splitting into two or three canals. …”
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1652
Successful Management of Palatal Developmental Groove–Associated Periodontal Defect Using Palatal Access Flap and Odontoradiculoplasty: A Case Report
Published 2025-01-01“…A comprehensive evaluation revealed generalized periodontitis with localized tooth-related predisposing factor due to a developmental groove in the vital upper left lateral incisor. …”
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1653
THEORETICAL STUDY ON ROUGHNESS FACTORS OF INVOLUTE SPUR GEAR TRANSMISSION
Published 2016-01-01“…The results show that the contact stress τ<sub>max,r</sub>for rough teeth surfaces is increased by 5%compared with the contact stress τ<sub>max,s</sub>for smooth teeth surfaces when the root mean square roughness of tooth surface σ≤0. 3μm; While the τ<sub>max,r</sub>is increased by 15- 20% compared with the τ<sub>max,s</sub>when σ ≥ 0. 5 μm. …”
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1654
Oral Mucosal Ulceration Caused by the Topical Application of a Concentrated Propolis Extract
Published 2014-01-01“…She presented with painful shallow multiple irregular ulcers measuring 0.3–1 cm in diameter that were located on the right buccal mucosa and hard palate mucosa, in addition to the gingival mucosa surrounding tooth 17. Propolis-induced oral mucosal burn was diagnosed. …”
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1655
Study on Nonlinear Dynamics Characteristic of Two-stage Planetary Gear Train
Published 2020-10-01“…The translation and torsion coupled strong nonlinear dynamics model of two-stage planetary gear transmission system is established, and the nonlinear factors such as time-varying meshing stiffness, tooth side clearance and meshing error are introduced, after dimensionless treatment, dynamics equations are established. …”
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1656
Denosumab usage in atypical cemento-osseous dysplasia involving the entire mandible: a case report
Published 2025-01-01“…Abstract Background Cemento-osseous dysplasia (COD) is the most common apical radiopaque lesion that develops in the tooth-bearing area. However, large, destructive lesions are rare. …”
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1657
Automated Periotome versus Conventional Periotome in Intra-Alveolar Extraction of Sheep Jaw: An In Vitro Study
Published 2022-01-01“…This study aims to compare the effectiveness of automated periotome with conventional periotome with regard to operating time, postoperative gingival laceration, and bone and tooth structure fractures. Methods. This is an in vitro study of forty posterior teeth of sheep mandibles. …”
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1658
STUDY OF SPECIAL CONNECTION PERFORMANCE ON 88.9 MM DRILL STRING IN SLIM HOLE DRILLING
Published 2017-01-01“…In order to meet the actual needs,improving the carrying capacity of 88. 9 mm drill pipe joint in slim hole drilling,this paper presents a low tooth-double shoulder-special thread. By 3 D Finite Element analysis,the performance of thread connection were studied,including the stress in three-dimension under different loads and the limit torque under different axial tensile loads. …”
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1659
A Rare Root Canal Configuration of Maxillary Second Molar: A Case Report
Published 2012-01-01“…The present paper describes a case of a right maxillary second molar with a canal configuration rarely reported in the literature. The tooth had four roots with four root canals, two individual palatal roots (mesiopalatal and distopalatal) with their own separate canals. …”
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1660
Esthetic Rehabilitation of Anterior Teeth with Copy-Milled Restorations: A Report of Two Cases
Published 2017-01-01“…This case report presents fabrication of all-ceramic Maryland Bridge and post-core with a copy milling system for esthetics and preservation of integrity of tooth. For both of the patients, the use of biologic, all-ceramic, copy-milled restorations resulted in clinical success and recovered function and esthetics.…”
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