Search results for "RESTOR"
showing 10 items of 670 documents
Volumetric variation of peri-implant soft tissues in convergent collar implants and crowns using the biologically oriented preparation technique (BOP…
2018
Background To evaluate the changes in the peri-implant soft tissues of convergent collar implants with biologically oriented preparation technique (BOPT) crowns, 10 months after loading. Material and Methods A pilot study was carried out from January 2016 to October 2017 involving 14 patients with one or two implants in the posterior mandibular sector. A total of 32 convergent collar implants were placed using a non-submerged protocol. Three months later the provisional cemented crowns were fitted using the BOPT approach with the finish line 1-1.5 mm below the gingival margin, simulating coronal emergence of a natural tooth. The soft tissue changes were measured with an intraoral scanner at…
Efficacia del sistema sperimentale combinato di indagini radar e all’infrarosso termico. Esiti della sua applicazione nella chiesa di Santa Maria dei…
2010
Il contributo vuole mostrare l'esecuzione delle indagini diagnostiche attraverso la sperimentazione di un metodo combinato di indagini radar e termografie all'infrarosso termico. I risultati dell'applicazione sperimentale del metodo sono introdotti e commentati, ponendo in risalto la loro efficacia. The contribution shows the execution of diagnostic tests through an experimental combined method of investigation through radar prospections and infrared thermography. The results of the experimental applications are introduced and commented.
Understanding innovation in creative industries: knowledge bases and innovation performance in art restoration organisations
2018
[EN] This paper studies innovation in the creative industry of art restoration, which is characterised by an intensive use of symbolic knowledge. Using the resource-based view of the firm as a theoretical framework, this study adapts Community Innovation Survey (CIS) methodology to this industry, creating and exploiting a unique dataset from the restoration departments of museums in 43 countries on 5 continents. The results suggest that the type and composition of the knowledge bases in play influence a department¿s absorptive capacity to access external information sources and thereby impact innovative outcomes. The article contributes to innovation literature by capturing innovation proce…
Sequestering ability of some chelating agents towards methylmercury(II).
2013
A study on the interactions between CH3Hg+ and some S, N and O donor ligands (2-mercaptopropanoic acid (thiolactic acid (H2 TLA)), 3-mercaptopropanoic acid (H2 MPA), 2-mercaptosuccinic acid (thiomalic acid (H3 TMA)), d,l-penicillamine (H2 PSH), l-cysteine (H2 CYS), glutathione (H3 GSH), N,N′-bis(3-aminopropyl)-1-4-diaminobutane (spermine (SPER)), 1,2,3,4,5,6-benzenehexacarboxylic acid (mellitic acid (H6 MLT)) and ethylenediaminetetraacetic acid (H4 EDTA)) is reported. The speciation models in aqueous solution and the possible structures of the complexes formed are discussed on the basis of potentiometric, calorimetric, UV spectrophotometric and electrospray mass spectrometric results. For t…
Implant insertion torque value in immediate loading : a retrospective study
2019
Background The aim of this study is to verify if the Insertion Torque Value (ITV) of 32 Ncm for immediate loading protocol (ILP), as indicated by literature, is still, with the advance in implant research, a real significant cut-off for long-term implant survival. Material and Methods In this retrospective study, data from 224 patients that during three years of clinical practice, were submitted to the insertion of 322 implants with immediate loading protocol, have been recorded, pooled and analyzed. Data were organized based on Insertion Torque Value (ITV): > 32 Ncm (CG) and 32 Ncm are still characterized by a lower crestal bone resorption, there are no statistically significant difference…
The Poisson problem: A comparison between two approaches based on SPH method
2012
Abstract In this paper two approaches to solve the Poisson problem are presented and compared. The computational schemes are based on Smoothed Particle Hydrodynamics method which is able to perform an integral representation by means of a smoothing kernel function by involving domain particles in the discrete formulation. The first approach is derived by means of the variational formulation of the Poisson problem, while the second one is a direct differential method. Numerical examples on different domain geometries are implemented to verify and compare the proposed approaches; the computational efficiency of the developed methods is also studied.
Piano col colore… !
2012
Il capitolo del volume Città, Intonaci, Colore, tratta il tema dei Piani del Colore in Italia. La trattazione presenta le riflessioni che si sviluppano in Italia sin dagli anni Settanta del XX secolo e che condurranno all'elaborazione dei cosidetti "piani del colore". Il saggio esamina i contenuti dei piani di molte città italiane e mostra gli esiti degli interventi sulle facciate delle architetture nei centri storici. The chapter of the book deals with the subject of the Color Plans diffused in Italy. The discussion presents the reflections that develop in Italy since the seventies of the twentieth century and that will lead to the processing of so-called "Color plans". The essay examines …
Assessment of Osstell ISQ's reliability for implant stability measurement: a cross-sectional clinical study
2013
Resonance frequency analysis (RFA) allows assess implant stability by measuring implant oscillation frequency on the bone. RFA is an objective and non-invasive method for implant stability measurement, although scarce evidence has been provided so far on its reliability. Objectives: Assess the Osstell ISQ system's reliability (i.e., its measurement reproducibility and repeatability) by means of the intraclass correlation coefficient (ICC) as statistical method. Study Desing: Implants stability registers were completed by means of Osstell ISQ on 85 implants on 23 patients. Six measurements were completed on each implant by means of two different SmartPegs (types I and II); that is, three con…
Scientific investigation to preserve our architectural heritage: experimental application in Sicily between 2002 and 2012
2014
The essay introduces the result of thermographic surveys and other scientific applications on some Sicilian monuments, and demonstrates the clear evolution of the method to support an effective conservation of ancient buildings. The method introduced is useful to get a metric thermal image to be edited with the photogrammetric image of the architectural surfaces simultaneously, and related with the results of other kind of diagnostic tests. Some examples of its application are introduced and critically commented to understand all the potentialities of the investigation in the discipline of the restoration of cultural heritage.
Il cantiere di restauro della facciata barocca del palazzo Floridia-Bertini a Ragusa, patrimonio mondiale dell'umanità (UNESCO)
2018
Il contributo presenta le attività analitiche che hanno supportato l’elaborazione del progetto di restauro della facciata barocca del palazzo Bertini a Ragusa, inserito nella lista del Patrimonio Mondiale dell’Umanità UNESCO, e le fasi del cantiere di restauro, con particolare riguardo alle tecniche di pulitura, consolidamento e reintegrazione delle superfici architettoniche. Il palazzo è edificato alla fine del XVIII secolo lungo uno degli assi principali dell’impianto urbano sviluppato dopo il terremoto del 1693. L’originaria conformazione della facciata barocca viene modificata nel 1847, quando si esegue una significativa revisione dell’assetto stradale, con l’abbassamento della quota or…