1 Assistant professor, Oro-maxillofacial developmental diseases research center, Department of oral medicine, Guilan University of Medical Sciences, Dental school, Rasht, Iran 2 Associate professor, Dental Research Center, Mashhad University of Medical Sciences, Dental School, Mashhad, Iran 3 Assistant professor, Department of Oral and Maxillofacial Radiology, Mashhad University of Medical Scie...

We study greedy routing over n nodes placed in a ring, with the distance between two nodes defined to be the clockwise or the absolute distance between them along the ring. Such graphs arise in the context of modeling social networks and in routing networks for peer-to-peer systems. We construct the first network over n nodes in which greedy routing takes O(log n/ log d) hops in the worst-case,...

A case is reported of dental implant placement in a 13-year-old patient diagnosed with Papillon-Lefevre Syndrome. Two titanium dental implants were placed in the mandible for an implant-retained denture after the patient complained of having an unstable prosthesis. Follow-up radiographs showed successful osseointegration and preservation of alveolar bone 1 year after implant placement and the c...

In the context of the Papillon project, which aims at creating a multilingual lexical database (MLDB), we have developed Jeminie, an adaptable system that helps automatically building interlingual lexical databases from existing lexical resources. In this article, we present a taxonomy of criteria for evaluating a MLDB, that motivates the need for arbitrary compositions of criteria to evaluate ...