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A three-dimensional finite element model has been developed for the purpose of analyzing the stress distribution in a human mandibular right first molar. The model takes into account the non-symmetric geometry and loading, and the material inhomogeneities of the tooth. Comparisons with existing two-dimensional analyses are given.

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~ Significnnt competition in the telecommunications sector , is forcing, mobile network operators io continually seek new and innovative ways to diyerentiate and increase profrrs. Highly personalized mobile. services, leveraging location information, offers a key io such profilr. This paper discusses the issues in the fraditional web-based approach for location-based services. Primary issues in this approach are the cost OJ the service and ease of use. A new approach using SMS, to deliver lacation-based services & proposed that addresses these issues. SMS has gaiced huge papularip as a medium for mobile data communication in receni times. The utilization of SMS to deliver location-based services will enable the service providers io obiain rapid return on investment and leverage existing neiwarkc. Finally. the paper discusses the advaniages and disadvantages of the SMS approach.