Results 11 to 20 of about 1,121,159 (219)
A Literature Review of Stainless Steel Crown for Permanent Molars: Indications, Survival, Periodontal and Radiographic Findings [PDF]
Journal of DentistryStainless steel crowns (SSCs) are the preferred choice for restoring primary molars with extensive caries. However, they may be indicated for permanent molars in certain cases as well.
Pooya Vatankhah +2 more
doaj +1 more source
Severe trauma in young permanent tooth: a case report
RGO: Revista Gaúcha de Odontologia, 2020 Dentoalveolar trauma is a severe traumatic injury involving alveolar bone and dental structures. Like any trauma, it can leave irreparable sequelae and even cause tooth loss.
Ana Luiza Costa Silva de OMENA +5 more
doaj +1 more source
A Self-Learning Solution for Torque Ripple Reduction for Non-Sinusoidal Permanent Magnet Motor Drives Based on Artificial Neural Networks [PDF]
, 2013 This paper presents an original method, based on artificial neural networks, to reduce the torque ripple in a permanent-magnet non-sinusoidal synchronous motor.
WIRA, Patrick +7 more
core +1 more source
Applied Sciences, 2021 In this prospective clinical trial we observed the 2-year clinical performance of posterior tooth-supported multi-unit fixed dental prostheses (FDP) fabricated from zirconia with monolithic occlusal surfaces.
Elisabeth Pahncke +5 more
doaj +1 more source
Multi-criteria based design approach of multiphase permanent magnet low speed synchronous machines [PDF]
, 2009 Version éditeur disponible à cette adresse : http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4797497&isnumber=4797494A design methodology dedicated to multi-phase permanent magnet synchronous machines (PMSMs) supplied by pulse width modulation ...
CHARPENTIER, Jean-Frederic +3 more
core +1 more source
Mapping of proximal enamel thickness in permanent teeth
Brazilian Journal of Oral Sciences, 2015 Aim: Knowledge of enamel thickness is relevant to perform stripping during orthodontic treatment. Thus, proximal enamel measurements of human permanent teeth were compared in this study.
Flávio Vellini Ferreira +3 more
doaj +1 more source
The Dittert's function on a set of nonnegative matrices
International Journal of Mathematics and Mathematical Sciences, 1990 Let Kn denote the set of all n×n nonnegative matrices with entry sum n. For X∈Kn with row sum vector (r1,…,rn), column sum vector (c1,…,cn), Let ϕ(X)=∏iri+∏jcj−perX. Dittert's conjecture asserts that ϕ(X)≤2−n!/nn for all X∈Kn with equality iff X=[1/n]n×n.
Suk Geun Hwang, Mun-Gu Sohn, Si-Ju Kim
doaj +1 more source
Boolean Functions and Permanents of Sylvester Hadamard Matrices
Mathematics, 2021 One of the fastest known general techniques for computing permanents is Ryser’s formula. On this note, we show that this formula over Sylvester Hadamard matrices of order 2m, Hm, can be carried out by enumerating m-variable Boolean functions with an ...
José Andrés Armario
doaj +1 more source
Approximating the Permanent [PDF]
SIAM Journal on Computing, 1989 A randomised approximation scheme for the permanent of a 0–1s presented. The task of estimating a permanent is reduced to that of almost uniformly generating perfect matchings in a graph; the latter is accomplished by simulating a Markov chain whose states are the matchings in the graph.
Mark Jerrum, Alistair Sinclair
openaire +1 more source
Journal of the American Philosophical Association, 2021 AbstractTemporal nihilism is the view that our lives will not matter after we die. According to the standard interpretation, this is because our lives will not make a permanent difference. Many who consider the view thus reject it by denying that our lives need to have an eternal impact.
openaire +2 more sources