Research of Technological Test of Enhanced Shot-peening for Carburized Gear Steel by Zhang Yuanyuan, Yang Liu, Chen Lihui

“…Based on shot-peening hardness tests performed on carburized gear steel,the hardness effectiveness of shot-peening on tooth flank and root is studied,it is aimed to find out the factors and parameters which are related to surface roughness in different shot-peening process parameters,so that rational parameter combination of enhanced shot-peening can be available to provide guidance to enhanced shot-peening on other parts.…”
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Aesthetic Rehabilitation of a Severe Dental Fluorosis Case with Ceramic Veneers: A Step-by-Step Guide by Aminah M. El Mourad

“…The patient presented at the restorative dentistry clinics at King Saud University complaining of an unpleasant smile and generalized tooth discoloration.…”
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Diminishing discoloration; enhancing esthetics: Management of discolored restorations with computer-aided-design/computer-aided-manufacturing veneers by Rishu Koul, Deepak Kalia, Kamal Verma

“…Tooth discoloration that cannot be treated with more conservative procedures such as bleaching or microabrasion, requires restorative treatment to mask the unesthetic appearance. …”
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The Cost of Caries in Primary Dentition: A Case Report of a Rare Cause by Vladimir Mitic, Sasa Cvetkovic

“…Based on the initial orthopantomography, multiple tooth impactions were diagnosed. In the upper jaw, the impaction of the canine and the second premolar on the left side was observed, along with.…”
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Optimum Design of Cylindrical Worm Drive by Wang Yuandong

“…Taking a cylindrical worm drive mechanism as the research object,the minimizing the volume of worm gear as objective function,the limit of the worm gear tooth surface contact strength,worm stiffness,number of worm threads,worm gear module and worm diameter coefficient as constraint conditions,the mathematical model of optimization design is established. …”
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Calculation and Analysis of the Meshing Efficiency of Spur Gear by Yang Shiping, Fan Hui, Zhu Guanghui

“…The meshing efficiency calculation method of spur gear is studied,from the power consumption launched,the meshing efficiency calculation function of straight tooth cylindrical gear is deduced,the variation average friction coefficient instead of assuming constant friction factor is introduced,the more accurate meshing efficiency calculation formula of involute gear is obtained.Combined with the Matlab software simulation analysis,the relationship between the gear meshing efficiency and the gear basic parameters is obtained,which can provide some methods to improve the efficiency of gear transmission.…”
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Discussion and Deliberation on the Latest ISO 6336 Standard by Liu Zhongming Li Youhua Zhang Zhihong Ding Wei Chen Chao

“…In order to facilitate the reader to understand the changes of the new ISO 6336, the main changes in the content of different editions of ISO 6336 are introduced, the influences of the helix angle factors and single pair tooth contact factor on safety factor before and after modification are analyzed, and the influence of helix angle on the calculation results of contact strength and bending strength are discussed here with examples.…”
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Review on Research Status of Curvilinear Cylindrical Gear by Zhang Xuegang, Liang Zheng

“…The research status of the curvilinear cylindrical gears is analyzed in detail through a large number of related literatures，the processing methods of the gears，tooth surfaces modeling methods and contact characteristics are expounded. …”
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A New Method of Multiple Plane Curve Numerical Synthesis by Zhang Zhizi, Tang Jinyuan

“…Applying this method,the synthesis validation is carried out through the tooth root conjugate curve processed by C type pre-grinding hob.…”
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Contrast Experimental Study on the Bending Fatigue Life of Modification Gear by Yan Tianxiao, Zhang Ruiliang, Wang Tie, Liu Yaqiong, Shi Ruonan, Jiang Xiongfei

“…The corresponding bending stress of meshing gear with staggering tooth is obtained by using the Romax software,then the bending fatigue strength for gears with different modification parameters are obtained according to experimental data by using Matlab. …”
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Digital Modeling of ZA-type Dual-lead Worm by Hu Pingguo, Ma Chaofeng, Liu Kai, Cui Yahui

“…The geometrical characteristic of ZA-type dual-lead worm is analyzed.The mathematical model involving the ZA-type dual-lead worm is built based on the characteristic of the points of the tooth surface spiral motion during the rotation of the worm.The MATLAB is adopted to calculate the mathematical model and the calculation results are imported to SolidWorks software to generate the 3 Dsolid modeling,which lay agood foundation for NC machining,finite element analysis and dynamic analysis of the ZA-type dual-lead worm.…”
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“Brachistochrone”Effect of the Universal Cycloid Gear by Li Yuanqing

“…The study of the universal cycloidal gear found that,the tooth profile of the universal cycloid rack is at the high velocity region of the tautochrone. …”
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Design of Mechanism to Eliminate the Gear and Rack Backlash Automatically by Gong Aihong, Qiu Xinqiao

“…In the designed mechanical mechanism,two racks meshing gears is driven through the axial relative displacement of the mechanism of sliding lead screw nut,and an axial relative displacement between the two racks（ gear rack staggered teeth） appeared,and the equivalent tooth thickness increased,and one mechanism is designed to eliminate gears backlash automatically. …”
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iRoot SP Promotes Osteo/Odontogenesis of Bone Marrow Mesenchymal Stem Cells via Activation of NF-κB and MAPK Signaling Pathways by Xiao Wu, Ming Yan, Jiamin Lu, Xingyun Ge, Yuzhi Li, Minxia Bian, Lin Fu, Jinhua Yu

“…The regeneration of bone and tooth tissues, and related cellular therapies, has attracted widespread attention. …”
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Prevalence of hepatitis B virus and associated factors among blood donors in Hossana blood bank catchment area, Southern Ethiopia by Mesfin Menza Jaldo, Mhireteab WoldeYohannes Joffe, Eyasu Samuel Zemedkun

“…Multiple sexual partners, sharing of sharp material, and tooth extraction were related to the hepatitis b virus. …”
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EVALUATION OF POTENTIAL PROSTHETIC SPACE PARAMETERS IN PARTIAL EDENTATION by Elena-Claudia Sin, Raluca Briceag, Aureliana Caraiane, Gheorghe Raftu, Mihaela-Macrina Manolache, Cristina Nucă, Steliana-Gabriela Buștiuc

“…Tooth tipping and migration were the main causes of reduced amplitude of the potential prosthetic space. …”
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Histomorphometric analysis of external apical root resorption using L-loops and different intrusive forces by Yosuke Miyaji, Hidetoshi Morikuni, Toru Tsujibayashi, Yoshitomo Honda, AKI Nishiura

“…The M1 intrusive distance and TRAP-positive cells increased when intrusive forces were applied using L-loops of different diameters.Conclusion Greater intrusive forces enhance TRAP-positive cell activity, influencing EARR and vertical tooth movement.…”
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UPGRADED SCIENTIFIC ORHODONTIC SIMULATOR WITH TEMPERATURE CONTROL AND THERMOCHAMBER by Radu Mircea Pisc, Anne Marie Rauten, Roxana Marinescu, Horia Octavian Manolea

“…The electrodonts were created by setting the teethes in a silicone mould filled with dual consistency wax. Every tooth is wrapped in coper coil and continuous electric current is injected, heating the wax generating orthodontic movement under the action of orthodontic wires. …”
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Phosphate Ion Release and Alkalizing Potential of Three Bioactive Dental Materials in Comparison with Composite Resin by Shahin Kasraei, Sahebeh Haghi, Sara Valizadeh, Narges Panahandeh, Sogol Nejadkarimi

“…Several new bioactive compounds were recently introduced to the market with favorable ion release, tooth remineralization, and alkalizing potential. …”
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Advanced AI-assisted panoramic radiograph analysis for periodontal prognostication and alveolar bone loss detection by Jarupat Jundaeng, Jarupat Jundaeng, Jarupat Jundaeng, Rapeeporn Chamchong, Choosak Nithikathkul, Choosak Nithikathkul

“…BackgroundPeriodontitis is a chronic inflammatory disease affecting the gingival tissues and supporting structures of the teeth, often leading to tooth loss. The condition begins with the accumulation of dental plaque, which initiates an immune response. …”
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