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1461
Vibration Characteristic Analysis of Differential Reducer Gear Pair Considering Random Manufacturing Error
Published 2021-11-01“…The base pitch error and tooth profile error of the gear system are regarded as random variables,which are described by the random variables following the normal distribution law,and the dynamics analysis of the differential reducer transmission system is carried out by using the numerical simulation software. …”
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1462
Maxillary mucormycosis masquerading as an endodontic-periodontal lesion
Published 2024-07-01“…Endodontic-periodontal (endo-perio) lesions are commonly encountered in dental clinics, with patients typically presenting with acute pulpal pain, often accompanied by abscess formation and tooth mobility. Management generally involves root canal treatment (RCT) and, if required, surgical intervention. …”
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1463
Optimization Design of Gear Transmission Parameter based on Efficiency Improvement
Published 2020-11-01“…The expression of the independent variables including active tooth number z1, the transmission ratio i, the friction coefficient f and pressure angle α. …”
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1464
Research of the Modeling Method of Damaged Helical Gear Remanufacturing based on Local Point Cloud Data
Published 2020-05-01“…Meanwhile, the damage tooth region model is constructed separately, and the high-precision damage gear model is obtained by model splicing. …”
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1465
Management of Impacted and Inverted Mesiodens - A Report of Two Cases
Published 2024-12-01“…Mesiodens specifically refers to an additional tooth (erupted/unerupted) present in the midline between the two central incisors. …”
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1466
MODELING AND SIMULATION OF SINGLE LOOP PLANETARY TRANSMISSION SYSTEM BASED ON BOND GRAPH THEORY
Published 2017-01-01“…Based on bond graph theory,considering the time-varying meshing stiffness,damping and tooth surface friction force of internal and external gear,using LuGre friction model,the bond graph model of NGW type planetary gear was established. …”
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1467
Research of NC Gear-hobbing Machining and Error Compensation
Published 2015-01-01“…By means of position control and error compensation control unit,the on- line real time compensation of errors as tooh pitch division error,longitudinal tooth error,and tool wear error is realized. Meanwhile,the hobbing function of non- circular gear and axial modification gear( small taper or drum type) is also expended.…”
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1468
Hepatotoxicity due to Clindamycin in Combination with Acetaminophen in a 62-Year-Old African American Female: A Case Report and Review of the Literature
Published 2016-01-01“…We have described a 62-year-old African American female medicated with acetaminophen and clindamycin who had initially presented to the dental clinic for the evaluation of gum pain following tooth extraction. She had significantly increased levels of liver transaminases, which trended downwards on quitting the medication.…”
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1469
Spread of odontogenic infection in puerperium: A case report and review of literature
Published 2025-01-01“…The patient was investigated and treated with incision and drainage, extraction of the offending tooth, intravenous antibiotics and supportive care until symptoms resolution.…”
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1470
Effect of Stiffness of Bearings and Gearbox Housing on the Dynamic characteristic of Drive System
Published 2015-01-01“…The results show that the bearings stiffness and housing flexibility has a significant influence on the dynamic characteristic and cannot be ignored in the analytical model; Increase the bearing stiffness and housing stiffness can effectively improve the system natural frequency,reduce the modal displacement and the gear dynamic transmission error; The gear tooth surface contact stress is relatively sensitive to the gearbox housing,but is not to bearing stiffness. …”
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1471
Inherent Characteristic and Steady Response Analysis of Aviation Gear with Thin-spoke
Published 2016-01-01“…The load history on single tooth is obtained according to the dynamics equation and load distribution,which is applied on the basis of meshing time. …”
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1472
Navigating the Endodontic Challenge of a 40 mm Canine and Its Technical Adaptations
Published 2024-01-01“…Despite the challenges posed by the abnormal tooth length, the procedure achieved a working length of 40.7 mm, and periapical radiography confirmed the master gutta-percha reaching full working length. …”
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1473
The Interrelationship of Adenomatoid Odontogenic Tumour and Dentigerous Cyst: A Report of a Rare Case and Review of the Literature
Published 2012-01-01“…The lesion is usually associated with the crown of an enclosed tooth, most commonly the maxillary canine. In this paper we present a case of adenomatoid odontogenic tumor associated with a dentigerous cyst affecting the left maxilla in a 15-year-old female. …”
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1474
Influence of Eccentricity on the Forming Grinding of Cycloidal Gear and Its Compensation
Published 2021-07-01“…The eccentric installation and grinding test of the cycloid wheel is verified by the domestic YK7350B CNC cycloid gear forming and grinding machine, which shows that the compensation method can effectively improve the forming and grinding accuracy of the cycloid wheel and reduce the cutting marks on the tooth surface.…”
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1475
Fused Double Supernumerary Premolars of the Mandible: A Rare Case
Published 2012-01-01“…The most commonly encountered complications with these teeth are dentigerous cyst and root resorption of the adjacent tooth. This paper is about impacted double fused supernumerary premolars in the right mandiblular body associated with an impacted first premolar in a 17-year-old male. …”
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1476
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1477
THE USE OF ZIRCONIUM CEMENTS IN MEDICINE: PHYSICO-CHEMICAL PROPERTIES AND CLINICAL BENEFITS
Published 2024-12-01“…Furthermore, these cements show strong durability against chemical breakdown and possess great aesthetic qualities that closely resemble natural tooth enamel. Studies have shown minimal negative reactions in oral tissues and a substantial decrease in plaque accumulation, underscoring the biocompatibility of zirconium. …”
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1478
Effectiveness of purple leaves (Graptophyllum pictum L. Griff) and hydroxyapatite as socket preservation biomaterials
Published 2025-01-01“…Background: Tooth extraction without socket preservation will lead to reduction in the dimensions and volume of the alveolar bone. …”
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1479
Oral Plaque from Type 2 Diabetic Patients Reduces the Clonogenic Capacity of Dental Pulp-Derived Mesenchymal Stem Cells
Published 2019-01-01“…Periodontitis can impact the structure of the tooth and likely the stem and progenitor cell pool, which actively contributes to the periodontal microenvironment and homeostasis. …”
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1480
Enhancing furcation involvement classification on panoramic radiographs with vision transformers
Published 2025-01-01“…Abstract Background The severity of furcation involvement (FI) directly affected tooth prognosis and influenced treatment approaches. …”
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