Results 241 to 250 of about 4,246,028 (290)
Extraction of First Permanent Molars in Children—A Comprehensive Review of History, Aim, Space Closure and Other Consequences [PDF]
Journal of Clinical MedicineMhd Said Mourad +2 more
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Dental Clinics of North America, 1981
We have attempted in this chapter to familiarize the clinician with the management of spaces in the dentition. Understanding the etiology of the spaces will not only aid in the formulation of a proper treatment plan but also help in predicting the stability of the treatment results.
R, Nanda, M A, Torres Diaz
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We have attempted in this chapter to familiarize the clinician with the management of spaces in the dentition. Understanding the etiology of the spaces will not only aid in the formulation of a proper treatment plan but also help in predicting the stability of the treatment results.
R, Nanda, M A, Torres Diaz
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Canadian Journal of Mathematics, 1977
Extension theory has been intensively studied for completely regular spaces and is fairly well developed for T0-topological spaces. (See, for example, [1] and [5]). However, except for definitions of some of the basic concepts in [4] and results on embedding of closure spaces in cubes in [2] and [7], ours is the first study of the general theory of ...
Chattopadhyay, K. C., Thron, W. J.
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Extension theory has been intensively studied for completely regular spaces and is fairly well developed for T0-topological spaces. (See, for example, [1] and [5]). However, except for definitions of some of the basic concepts in [4] and results on embedding of closure spaces in cubes in [2] and [7], ours is the first study of the general theory of ...
Chattopadhyay, K. C., Thron, W. J.
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American Journal of Orthodontics and Dentofacial Orthopedics, 1986
In a vertically slotted 0.022 X 0.028 inch edgewise system, the use of a two-dimensional ribbon arch--0.022 X 0.016 inch from lateral incisor to lateral incisor and 0.016 X 0.022 inch from the canine to the molars--plus an uprighting spring on the canine maintained incisor position while unilaterally protracting a molar-premolar unit by means of ...
A A, Gianelly +3 more
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In a vertically slotted 0.022 X 0.028 inch edgewise system, the use of a two-dimensional ribbon arch--0.022 X 0.016 inch from lateral incisor to lateral incisor and 0.016 X 0.022 inch from the canine to the molars--plus an uprighting spring on the canine maintained incisor position while unilaterally protracting a molar-premolar unit by means of ...
A A, Gianelly +3 more
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Does the time-point of orthodontic space closure initiation after tooth extraction affect the incidence of gingival cleft development? A randomized controlled clinical trial [PDF]
Journal of Periodontology, 2020 Andreas Stavropoulos +2 more
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The R-completion of closure spaces
Topology and its Applications, 2022Given a full subcategory \(\mathbf{R}\) of the category \(\mathbf{CL_0}\) of \(T_0\)-closure spaces and continuous maps, satisfying four necessary conditions, the authors construct an \(R\)-completion for closure spaces. This completion is a reflection into the category \(\mathbf{R}\). This general construction is applicable to several known situations.
Zhongxi Zhang, Fu-Gui Shi, Qingguo Li
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Merotopic Spaces and Extensions of Closure Spaces
Canadian Journal of Mathematics, 1983Proximity spaces and contiguity spaces, and more recently nearness spaces, have been studied not just because they provide various approaches to uniform structure. Possibly of greater importance is that they can be used as a means of introducing compactifications and more general extensions of the topological spaces on which they are defined. Riesz [20]
Chattopadhyay, K. C. +2 more
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Space-efficient closure representations
Proceedings of the 1994 ACM conference on LISP and functional programming - LFP '94, 1994Many modern compilers implement function calls (or returns) in two steps: first, a closure environment is properly installed to provide access for free variables in the target program fragment; second, the control is transferred to the target by a “jump with arguments (or results)”. Closure conversion
Zhong Shao 0001, Andrew W. Appel
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Disjunctions in closure spaces
Studia Logica, 1985This paper is the continuation of the author's investigations on closure spaces [Stud. Logica 43, 341-351 (1984; Zbl 0587.03046)]. The main result presented in the paper gives a characterization of closure spaces with \(\)-regular bases in terms of Q-embeddings preserving disjunctions.
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Stability of extraction space closure
American Journal of Orthodontics and Dentofacial Orthopedics, 2016The objectives of this study were to evaluate the prevalence and long-term behavior of extraction space reopening in patients with Class I malocclusion and to identify some associated factors.A sample of 43 patients met the inclusion criteria. Dental casts at the onset of treatment, after treatment, and 1 and 5 years after debonding were used.
Daniela Gamba, Garib +3 more
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