The prevalence and distribution of hypodontia inorthodontic patients in Bosnia and Herzegovina by Azra Jelešković, Indira Mujić Jahić, Aida Selmanagić, Sara Mujić, Lejla Redžepagić Vražalica

“…After stratifying the sample by jaw, the most common hypodontic tooth was the second premolar in the mandible and the lateral incisor in the maxilla. …”
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Clinical Oral Health Recommended Care and Oral Health Self-Report, NHANES, 2013-2014 by R. Constance Wiener, Nilanjana Dwibedi, Chan Shen, Patricia A. Findley, Usha Sambamoorthi

“…Self-reported oral health needs were measured with 6 items (an overall oral health self-perception question, oral pain within the previous year, impact on job/school, suspected periodontal disease, tooth appearance, and tooth mobility). The key item of interest was the overall oral health self-perception question. …”
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Evaluation of three remineralizing agents on surface roughness of enamel. by Vian O. Majeed, Hemn M. Sarmamy, Rebin A. Mohammedamin

“… Background and Objective: This study aimed to assess and compare, in vitro, the efficacy of Casien phosphopeptide-Amorphous calcium phosphate fluoride (CPP-ACP F), Sodium fluoride (NaF) mouth rinse and orthokin tooth paste in treatment of white spot lesions (WSLs) by examining changes in surface roughness of the enamel teeth following pH cycling. …”
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Evaluating the cost-effectiveness of prosthetic rehabilitation for partially edentulous teeth in India: A comparative study of Clasp-Retained RPDs, Thermoplastic Resin RPDs, and Ca... by Subhash V, Aswini Kumar K, Vineetha Karuveettil

“…Patients with fewer than 20 teeth often experience a reduction in Oral Health-Related Quality of Life (OHRQoL), emphasizing the need for effective tooth replacement. Removable partial dentures (RPDs) are versatile, cost-effective solutions for partial tooth loss, including metal clasp-retained RPDs (MC-RPDs), thermoplastic resin RPDs (TR-RPDs), and cast partial dentures (CPDs). …”
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Er:YAG Laser and Fractured Incisor Restorations: An In Vitro Study by C. Fornaini, S. Petruzzella, R. Podda, E. Merigo, S. Nammour, P. Vescovi

“…Discussion. Reattaching a tooth fragment represents a clinically proven methodology, in terms of achieving resistance to detachment, and the aim of this work was to demonstrate the advantages of Er:YAG laser on this procedure. …”
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Monitoring Salivary Levels of Interleukin 1 Beta (IL-1β) and Vascular Endothelial Growth Factor (VEGF) for Two Years of Orthodontic Treatment: A Prospective Pilot Study by Hülya Çevik-Aras, Fadimana Isik-Altun, Hatice Kilic-Tok, Julia Naoumova

“…Vascular endothelial growth factor (VEGF) and interleukin 1 beta (IL-1β) perform functions in orthodontic tooth movement and can be measured in the saliva. …”
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OMNICHROMA – The revolutionary composite in the modern era by Bharath Makonahalli Jaganath, Sandeep Rudranaik, Sahadev Chickmagarvalli Krishnegowda, K. B. Nirmala, Yoganatha Hanasoge Nagashetty

“…Esthetic dentistry has significantly advanced in the 20th and 21st centuries, with OMNICHROMA, a new tooth-colored composite introduced by Tokuyama, representing a notable innovation. …”
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Analysis of the Meshing Characteristic of Helical Gear based on Node Generation Technique by Feng Qiyin, Zhang Jun, Du Yuhong

“…Gear drive is used widely,and the probability of failure is very high.So it is very necessary to analyze the characteristic of the gear pair meshing.A method of using ANSYS APDL language node control technique to create the finite element model of helical gear is described,and an analysis example of using this modeling method is carried on.The distribution law of the stress and strain of the meshing process is clarified by analyzing.At the same time,the analysis of the influence of root fillet radius on the meshing character is carried out.The results show that the bending stress is decreased with the tooth root radius increases.…”
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Unusual Bilateral Paramolars Associated with Clinical Complications by A. N. Sulabha, C. Sameer

“…One of the cases in the present paper also documents the cooccurrence of bilateral paramolars and microdontia of single tooth and one of its paramolars presented with multilobed crown with an anomalous buccal tubercle.…”
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Design and Application of Spiral Bevel Gear Chamfering Tool based on Kimos by Jingcai Li, Junfang Ma, Wenli Xu, Jia Man

“…A machining process by using the special chamfering tool to control the movement of the cutter along the designed tooth profile trajectory on a milling machine is proposed， the quality of the chamfering can be ensured， and the material handling is not needed， the personnel is saved. …”
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Parameter Analysis and Elastohydrodynamic Lubrication of the Precision Steel Ball Transmission by Jin Jingchuan, An Zijun Yang, Ronggang

“…On the basis of the study of contact mechanics and kinematics of precision steel ball transmission,the minimum film thickness formula of precision steel ball transmission meshing vice is derived by applying Hamrock-Dowson formula.The influence rule of the basic parameters such as the short amplitude coefficient of cycloidal tooth profile,rolling circle radius and steel ball radius on the meshing pair minimum film thickness is studied by applying numerical calculation method.The lubrication condition of meshing pair is analyzed and discriminated,the calculation method of the parameter selection of meshing pair in a state of complete elastohydrodynamic lubrication is proposed with calculating the range of the basic parameters.The theory basis of design and application for precision steel ball transmission is provided.…”
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Research of Straight Bevel Gear Modeling based on Back Cone Tangent Plane Method by Hou Hongling

“…With the development of manufacturing industry informatization,the gear product modeling is particularly important,it is the basis of analyzing the gear mesh performance.The actual tooth profile of straight bevel gear is plane involutes on its big end back cone tangent plane,because of the theory of involutes spherical design and manufacturing difficulty.For bevel gear product consistency in modeling,design and manufacturing,by using the equivalent teeth number method,involutes parametric equation is established on straight bevel gear big end back cone tangent plane through coordinate transformation.The straight bevel gear model is established by using this method.The modeling process is simplified.The modeling accuracy is satisfied design and manufacturing by analysis.…”
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Modification Optimization and Contact Analysis of Helical Gear by Wang Huimin, Wu Xuncheng, Zhang Yanjie

“…Changing the traditional empirical modification method and the software KISSsoft is used to carry out optimization design of gear modification parameters according to the results of finite element analysis. The tooth surface contact intensity and transfer error are taken as the optimization target to obtain the optimal modification values and the modification result is finally verified through the ANSYS Workbench.…”
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Study on the Force Analysis of RV Transmission Mechanism by Xiaofen Ye, Min Zhu, Xinwen Chen, Yongshuai Meng, Feng Gong

“…The force analysis model of input shaft, planetary wheel, cycloidal wheel, needle tooth shell, crank shaft and planetary frame is established. …”
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Forming Grinding Wheel Profile Modification of Cycloidal Gear of Robot RV Reducer by Deng Xiaozhong, Zhang Yanzhen, Li Tianxing, Su Jianxin

“…According to the principle of forming principle and modeling method of the cycloidal gear tooth profile,the mathematical model of the form grinding is established and the calculation formulas for axial section coordinate points of the grinding wheel are deduced. …”
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Temporary Mental Nerve Paresthesia Originating from Periapical Infection by Ozgur Genc Sen, Volkan Kaplan

“…One year follow-up radiograph indicated complete healing of the radiolucent periapical lesion. The tooth was asymptomatic and functional.…”
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Return Difference Analysis of Two- input Planetary Gear Reducer by Zhang Yunbo, Cao Bing, Zhang Xiaofei

“…By considering the influence of tooth thickness deviation,central distance deviation and bearing radial clearance on the backlash,the quantitative analysis of the two- input planetary gear return difference is carried out,the calculation expression of its return difference is given. …”
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Strength Matching Method for Improving the Gear Transmission Life by Tan Wei, Yun Hongyuan

“…The two parameter correction schemes: the method of variable modulus and pressure angle and variable,and the method of single variable tooth thickness are mainly studied. The feasibility and effectiveness of the two methods are proved by the practice.…”
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Parametric Design of Roller Chain Sprocket based on SINOVATION7. 0 by Zhu Zhuoyue, Xu Zhigang, Shen Weidong, Yang Deyu

“…The users can set the parameter values according to the roller chain sprocket type,row number,tooth number and other basic parameters,then the chain wheel designer can be compiled to create the 3D model and calculate the strength and of the sprocket. …”
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Contact Characteristic Analysis of Double Circular Arc Helical Gearing by Zhu Linlin, Wu Baolin, Li Yang

“…The relationship between tooth profile radius difference Δρ,helix angle β and gear contact stress is analyzed,it has certain reference value for the design and calculation of the double arc helical gearing.…”
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