Measurement Method and Application of Involute Spline Over Pin Distance based on SolidWorks and PC-DMIS by Lu Qiulong

“…A method for measuring the involute spline over pin distance without over pin is provided.By using the PC-DMIS software,the actual tooth profile of involute spline is measured by digital model.The tooth profile coordinate is imported into Solid Works software,the fitting and measuring of over pin distance is carried out by the tangency function of the Solid Works software,and the result is compared to the instance.This method has the advantage of small uncertainty of measurement,easy to realize parameterized automatic measurement,etc.…”
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Cooccurrence of Talon’s Cusp with Dens Invaginatus in the Maxillary Lateral Incisor: A Case Report with Review of Literature by Snehashish Ghosh, Safal Dhungel, Bhawana Subedi, Subi Pradhan

“…Morphogenic developmental anomalies are common in maxillary lateral incisors, but simultaneous occurrence of two developmental anomalies in a single tooth is relatively uncommon. In this case report, we present a case of cooccurrence of the talon’s cusp with dens invaginatus in the left lateral incisor tooth. …”
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Improved Genetic Algorithm of Helical Gear Reducer and 3D Modeling by Hao Liping

“…Based on the penalty function method combined with the improved genetic algorithm,the multi-objective and multi-restriction reliability optimal design of the reducer with hardened tooth surface and modified helical cylinder gear is carried out.According to the properties of the constraint conditions,the different methods are used for effectively avoiding the local optimum problem.The accurate three-dimensional description of the involute gear is carried out by the establishment of the tooth profile curve coordinate equation of the involute gear.According to the interface technology of VB and SolidWorks,the three-dimensional parametric modeling of the involute gear is achieved based on the optimal design results.…”
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Research of Gear Form Grinding Burn based on Grinding Power Measurement and Barkhausen Nondestructive Test by Jun Yi, Tan Jin, Mingdong Zhang

“…The gear form grinding experiments with different grinding parameters are carried out to measure the grinding power during the grinding process. After grinding，the tooth profile is tested by Barkhausen nondestructive test and microhardness test. …”
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Development and Application of Machine Vision Recognition Technology in the Field of Mechanical Transmission by Luji Wu, Jiayin Qin, Anhu Li, Linjie Yang

“…An image acquisition method based on machine vision and its application in many fields are expounded； an image processing technology is introduced，and a schematic diagram of the processing results of each method is given by taking the gear tooth surface as an example； the characteristics of various classification and recognition technologies are summarized； finally，the application and development trend of machine vision recognition technology in the field of mechanical transmission，such as gear tooth surface damage recognition direction，are prospected.…”
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FABRICATION OF MAYNE’S SPACE MAINTAINER FOR PREMATURE LOSS OF DECIDUOUS TEETH by Sianiwati Goenharto, M. Kautsar Haula Robbi, Eny Inayati, Okti Setyowati, Endang Kusdarjanti, Mia Laksmi Lita Rosa, Sujati, Sri Wahjuni, Sri Redjeki, Anisa Nur Halimah

“…Result: This appliance consists of a molar band attached to tooth 75 with a 0.9 mm loop that is soldered on the buccal of the molar band. …”
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Prevalence of root caries in relation to various risk factors in a sample of subjects aged (25-64) years in Erbil city: A cross sectional study by Tara Kamal Talib, Vian Omer Majeed

“…Prevalence of root caries was significantly associated with these risk factors: gingival index, plaque index, unstimulated salivary flow rate, educational level, wearing removable partial dentures, frequency of snacks, tooth brushing and frequency of tooth brushing, systemic disease and use of medication, while the results showed no association between prevalence of root caries and smoking. …”
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ASSESSING THE IMPACT OF ACIDIC DRINKS ON THE STRUCTURAL INTEGRITY OF ENAMEL AND THEIR CONSEQUENCES FOR DENTAL AESTHETICS by Berivan Laura Rebeca Buzatu, Roxana Buzatu, Atena Galuscan, Delia Abrudan Luca, Ruxandra Sava Rosianu, Octavia Balean, Titus Vlase, Daniela Jumanca

“…Aim of the study: This study seeks to evaluate the detrimental effects of acidic beverages on tooth structure and overall dental health, with a particular focus on comparing the extent of damage at a microscopic level. …”
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Resonance frequency analysis – indicator of post-implantation morphology of mandibular bone tissue by A. P. Oshurko, I. Yu. Oliinyk, N. B. Kuzniak, L. M. Herasym

“…We used the method of resonance frequency analysis to obtain a value of high primary stability of two short subcortical implants in the projection of tooth 4.7 – 92 ISQ and the projection of tooth 4.6 – 90 ISQ. …”
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THE TECHNIQUE FOR MAKING AESTHETIC ACRYLIC RESIN REMOVABLE PARTIAL DENTURES IN AN ANTERIOR CROSS BITE CASE by Okti Setyowati, Sujati, Sri Wahyuni, Nevy Istibasyarotul Pratiwi, Endang Kusdarjanti, Eny Inayati, Mia Laksmi Lita Rosa

“…Purpose: To provide an overview of a case about the technique of making aesthetic acrylic resin removable partial dentures for anterior tooth replacement in cases of anterior cross bite. …”
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Research of the Meshing Characteristic of Bi-directional Arc Cylindrical Gear by Tian Deyun, Song Aiping, Zhang Yihan, Shen Yuhan

“…A new type of gear bi- directional arc cylindrical gear is proposed,the tooth trace of the gear is arc,the bending resistance strength of the gear can be increased and the axial force of the gear transmission can be eliminated. …”
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Low-complexity TOA estimation using sawtooth-waveform matching in non-coherent impulse radio systems by ZHENG Lin1, FU Jie-lin1, LIU Zheng-hong1, QIU Hong-bing1, LIN Ji-ming1

“…In non-coherent impulse system,an acquisition scheme using negative-slope saw-tooth-waveform matching was proposed.The scheme obtained the sub-optimal estimation performance by utilizing the characteristic of multipath profile.In the proposed scheme,the slope of saw-tooth waveform was analyzed to achieve unbiased estimation in NLOS environment,and the theoretical solution of mean-absolute error（MAE） was derived.Simulations verify the outstanding performance of this scheme in NLOS and low signal-to-noise ratio（SNR） environment.…”
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Application of Point-line Meshing Gear in Automobile Gearbox by Tan Fuchun, Wang Jun, Huang Hai, Wang Wei, Zou Jie, Li Haixiang

“…The parameter choosing transmission ratio distribution,calculating example and improved tooth number distribution of point-line meshing gears in an automobile gearbox are described. …”
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Research of the Process of Dual Beam Laser Hardening of Small Module Rack by Mo Hengyang, Xiong Dahui, Yang Zhixiang, Ye Bing, Qi Xiaoyong

“…The laser hardening process is carried out on the tooth surface of 40 Cr rack with module of 2. 5 in high precision linear guide by utilizing a 3 k W diode laser. …”
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Research of Axial Crowning Modification of Involute Cylindrical Gear by Xiang Ya

“…The proper axial modification can prevent the load concentration,improve the meshing performance,reduce the noise and improve the carrying capacity. Based on the tooth load distribution model,the meshing longitudinal error and gear tooth deformation,the calculation methods of the effective contact width and crowning value is established,and the axial crowning curve equation is given. …”
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Dynamic Analysis of Point Contact Gears with Circular-parabola Configuration Based on Adams Software by Liang Dong, Jiang Peng, Li Ming, Xu Xiangyang, He Zeyin

“…Taking the point contact gear with circular-parabola configuration as the research object, based on the Adams dynamic analysis software, dynamic characteristics and the variable law of tooth surfaces are studied in this study. Firstly, according to space meshing theory, tooth surfaces equation of the point contact gear with circular-parabola configuration is derived, and three-dimensional solid models of gear pairs are established by the given design parameters. …”
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Multi-objective Optimization Design of Gear Pump with High Trapped-oil Performance by Sun Fuchun, Li Yulong, Yuan Ying, Wen Changming, Zhong Fei

“…The optimization design for solving trapped-oil pressure relief of gear pump under higher speed is studied,taking the modulus,tooth number and modification coefficient as optimization variable,by the analysis of the maximum trapped-oil volume and maximum relief area,the two objective functions of are established releasing the trapped-oil pressure. …”
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Biodentine™ Partial Pulpotomy of a Young Permanent Molar with Signs and Symptoms Indicative of Irreversible Pulpitis and Periapical Lesion: A Case Report of a Five-Year Follow-Up by W. Chinadet, T. Sutharaphan, P. Chompu-inwai

“…The patient reported pain on percussion. The tooth responded positively to the electric pulp test and had lingering pain after cold testing. …”
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The Effect of Patency Files on Apical Canal Anatomy Using SEM Imaging by Michael S. Cavender, Christopher Waters

“…A fourth tooth, a maxillary second molar, was shaped with an .06 taper rotary file and cone fitted. …”
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Comparative Study on Calculation Standards for Scuffing Load Capacity of Cylindrical Involute Gears by Jia Chenfan, Zhu Caichao, Liu Huaiju, Wei Peitang, Zhu Jiazan, Xu Yongqiang

“…However, the difference in the tooth surface temperature of the two methods becomes larger as the tooth module decreases. …”
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