منابع مشابه
Deflection of an Eccentric Tooth of a Comb Drive in an Electrostatic Field
The elastic deflection of a comb drive tooth in an electrostatic field is considered. The tooth can be symmetrically located between two rigid teeth of the matching comb, in which case the problem reduces to a pure bifurcation problem for which the critical voltage can be determined. Alternatively, due to an approximate straight-line mechanism, the tooth can have a uniform initial lateral displ...
متن کاملGlandular Odontogenic Cyst Associated with Impacted Tooth: A Case Report
Glandular odontogenic cyst (GOC) is an uncommon developmental cyst. It accounts for 0.012% to 1.3% of all the jaw cysts; its prevalence is 0.17%. It was described by Gardner et al. in 1988 as a distinct entity. GOC has a slight predilection for mandible and affect more commonly in the middle-aged patients. Radiographic and clinical features of this cyst are not pathognomonic or specific. Only t...
متن کاملTempo Tracking With a Periodicity Comb Kernel
Automatic tempo extraction and beat tracking from audio is an important ability, with many applications in music information retrieval. This paper describes a method for tempo tracking which builds on current research in the field. In this algorithm, an autocorrelation surface is calculated from the output of a spectral energy flux onset novelty function. The most salient repetition rate is cal...
متن کاملTooth Impaction and Hypodontia in a Patient with Talon Cusp: Report of a Case
Objectives This study is aimed to introduce an unusual case of a female with two talon teeth on both maxillary lateral incisors. Case A 38-year-old female was referred to oral medicine department, Qom university of medical sciences for routin examinations. Bilateral maxillary talon cusp was observed on maxillary lateral incisors. Future evaluation revealed impaction of maxillary left canine an...
متن کاملTooth Regeneration with Stem Cell Sources
Introduction: During the last decade, advances in tissue engineering and stem cell-based tooth regeneration have provided realistic and attractive means of replacing lost or damaged teeth. The first adult stem cells isolated from dental tissues were dental pulp stem cells (DPSCs). When transplanted with hydroxyl apatite/tri calcium phosphate (HA/TCP) powder, they formed a dentin-like structure...
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ژورنال
عنوان ژورنال: Nature
سال: 2008
ISSN: 0028-0836,1476-4687
DOI: 10.1038/452538a