Thaiane Rodrigues Aguiar

University of Illinois Chicago

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Marcelo Giannini

Universidade Estadual de Campinas (UNICAMP)

Cristina de Mattos Pimenta Vidal

University of Iowa

Ana K. Bedran‐Russo

University of Illinois Chicago

Shao‐Nong Chen

University of Illinois Chicago

Guido F. Pauli

University of Illinois Chicago

Marina Di Francescantonio

Universidade Estadual de Campinas (UNICAMP)

César Augusto Galvão Arrais

Universidade Estadual de Ponta Grossa

Rasika Phansalkar

University of Illinois Chicago

Gláucia María Bovi Ambrosano

Universidade Estadual de Campinas (UNICAMP)

Joo‐Won Nam

Yeungnam University

Cooperative Institutions

University of Illinois Chicago

Universidade Estadual de Campinas (UNICAMP)

Universidade de São Paulo

Methodist University of Piracicaba

Universidade Federal da Bahia

Fundação Faculdade de Odontologia

Escola Bahiana de Medicina e Saúde Pública

Universidade Estadual Paulista (Unesp)

Hospital de Clínicas da Unicamp

Forest Science and Research Institute

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O VALOR LEGAL DE ARQUIVOS ELETRÔNICOS DE IMAGEM EM RADIOLOGIA ODONTOLÓGICA

Journal of Dentistry & Public Health (2015)

Camila Pinheiro Thaiane Rodrigues Aguiar Jacqueline Gurjão

Introduction and objective: This study aimed to investigate scientific productions about the legal value of electronic image files in dental radiology. Materials and Methods: A literature review was conducted, from search in professional journals using the key words: forensic dentistry, dental digital radiography and liability in the BIREME database. At the end of search found 23 articles (18 national and 05 international) published between 2000 and 2014. The content of the articles was analyzed and discussed, according to the purpose of this review. Results and Discussion: The results indicate that over the study period, the use of electronic image files in dental radiology functions as important allies in the diagnosis, treatment and prognosis of various pathologies of the stomatognathic system. Digital files have their legal validity questioned as they are subject to manipulation, digital certification is what ensures the authenticity and integrity of documents legally. Conclusions: The image of electronic files promote benefits in the dental field as better therapeutic results, since that aid in more precise opportune diagnosis. These files require the digital certification linked to ICP-Brazil to ensure their guaranteed-legal value as a procedural evidence. Further research concerning the legal validity of electronic image files focused on dental radiology.

10.17267/2596-3368dentistry.v6i2.622

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Insight into bioactive principles of proanthocyanidins on the dentin matrices

Dental Materials (2013)

Thaiane Rodrigues Aguiar Cristina de Mattos Pimenta Vidal Rasika Phansalkar Joo‐Won Nam José G. Napolitano

10.1016/j.dental.2013.08.133

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Sources of proanthocyanidins and long-term biological effects on dentin matrix

Dental Materials (2016)

B. Aydın Ariene A. Leme‐Kraus Cristina de Mattos Pimenta Vidal Thaiane Rodrigues Aguiar R. Phasalkar

Matrix (chemical analysis)

10.1016/j.dental.2016.08.195

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Influence of viscosity and polymerization mode on bond strength of dual-cure resin luting agent to dentin

DOAJ (DOAJ: Directory of Open Access Journals) (2015)

Marina Di Francescantonio Thaiane Rodrigues Aguiar Marcelo Tavares de Oliveira Marcelo Giannini

Aim: To evaluate the influence of the viscosity and curing mode on the bond strength of two resin cements to dentin. Methods: Eight experimental groups were formed (n = 7) according to the dual-cure resin cements (Nexus 2 - Kerr Corp. and Variolink II - Ivoclar Vivadent), curing modes (dual-cure or self-cure) and viscosities (low and high). Resin cements were applied to pre-cured composite resin discs (2 mm thick, Sinfony -3M ESPE), which were fixed to bonded dentin surfaces. The restored teeth were either light-activated (XL3000 - 3M ESPE) or allowed to self curing only. After 24 h, the teeth were both mesiodistally and buccolingually sectioned to obtain bonded beam specimens (0.8 mm2 cross-sectional area). Each specimen was tested in microtensile strength at a crosshead speed of 0.5 mm/min until failure. Results: Data (in MPa) were analyzed statistically by three-way ANOVA and Tukey’s post-hoc test (pre-set a = 0.05). No significant difference was observed between resin cements (p=0.26) and viscosities (p=0.13), however, the curing mode affected the BS within the viscosities (p=0.01). Statistically significant difference was observed for low viscosity: Nexus 2: 23.8(10.6) (dual-cure) and 16.0(5.1) (self-cure); Variolink II: 28.7(8.7) (dual-cure) and 11.9(3.0) (self-cure). Conclusions: Light activation yielded higher bond strength for the low-viscosity versions of the resin cements.

10.20396/bjos.v11i1.8641562

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Citations (1)

Evidence to the role of interflavan linkages and galloylation of proanthocyanidins at sustaining long-term dentin biomodification

Dental Materials (2018)

Berdan Aydın Ariene A. Leme‐Kraus Cristina de Mattos Pimenta Vidal Thaiane Rodrigues Aguiar Rasika Phansalkar

10.1016/j.dental.2018.11.029

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A Conservative Esthetic Approach Using Enamel Recontouring and Composite Resin Restorations

Case Reports in Dentistry (2016)

Paula Mathias Emily Vivianne Freitas da Silva Thaiane Rodrigues Aguiar Aline Silva Andrade Juliana Felippi Azevedo

Conservative clinical solutions, predictable esthetic, and immediate outcomes are important concepts of restorative dentistry. The aim of this case study was to recognize the selective enamel removal as an interesting conservative alternative to achieve optimal esthetic results and discuss the clinical protocol. This clinical report described an alternative esthetic and conservative treatment to transform the long and sharp aspect of the maxillary canines with a slightly aggressive aspect into features of slightly curved teeth with delicate lines. An accurate diagnostic and esthetic analysis of the smile was initially performed. The selective enamel removal was performed, and direct composite restoration was strategically placed. Clinical assessment showed good esthetic outcomes, enabling a smile harmony with an immediate, simple, and lower-cost technique. Practitioners should be exposed to conservative approaches to create esthetic smiles based on the selective enamel removal technique combined with composite resin.

Conservative Treatment

Resin composite

Harmony (Music)

10.1155/2016/1254610

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Citations (5)

Influence of viscosity and curing mode on degree of conversion of dual-cured resin cements.

PubMed (2013)

Marina Di Francescantonio Thaiane Rodrigues Aguiar César Augusto Galvão Arrais Andréa Nóbrega Cavalcanti Celso U. Davanzo

The purpose of this study was to evaluate the effects of the viscosities and curing modes on the degree of conversion (DC) of two resin cements.Eight experimental groups were evaluated (n=5), according to the dual-cured resin cements (Nexus 2/Variolink II), viscosity (low and high) and evaluation time (5 minutes and 24 hours). The resin cements were applied to surface of a horizontal attenuated-total-reflectance unit and were polymerized either with self-cure (SC) or light exposure (XL3000/3M ESPE) for 40 seconds. Infrared spectra were obtained after 5 minutes and 24 hours (Nicolet 520 FT-IR/Thermo Scientific Inc.). DC was calculated according to changes in aliphatic-to-aromatic peak ratios pre- and post-curing. Data (%) were analyzed by 3-way repeated measure ANOVA (curing mode, viscosity and time interval) and Tukey's post-hoc test (P<.05).The dual-polymerizing mode provided higher DC than auto-polymerization. The DC mean values increased for both resin cements after 24 hours. The low-viscosity resin cements from light-activated or self-cured groups exhibited higher DC than high viscosity version.The DC of resin cements was higher for the low viscosity version, following the light-polymerization and when were tested after 24 hours.

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Citations (27)

Inorganic composition and filler particles morphology of resin cements

Dental Materials (2011)

Thaiane Rodrigues Aguiar Marina Di Francescantonio Ana K. Bedran‐Russo Marcelo Giannini

Filler (materials)

Morphology

10.1016/j.dental.2011.08.539

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Interfacial ultramorphology evaluation of resin luting cements to dentin: A correlative scanning electron microscopy and transmission electron microscopy analysis

Microscopy Research and Technique (2013)

Thaiane Rodrigues Aguiar Paulo Moreira Vermelho Carolina Bosso André Marcelo Giannini

The objective of this study was to analyze the dentin-resin cements interfacial ultramorphologies using two different methods: scanning (SEM) and transmission electron microscopy (TEM). Four commercial products were evaluated: two conventional cementing system (RelyX ARC/Adper™ Scotchbond™ Multi-Purpose Plus, 3M ESPE and Clearfil Esthetic Cement/DC Bond, Kuraray) and two self-adhesive resin cements (RelyX Unicem, 3M ESPE and Clearfil SA Cement, Kuraray). Prepolymerized resin disks (Sinfony, 3M ESPE) were cemented on oclusal dentin surfaces of 24 third human molars, simulating the indirect restorations. After 24 h, teeth were sectioned into 0.9-mm thick slabs and processed for microscopy analyses (SEM or TEM/ n = 3). Qualitative characterization of dentin-resin cement interface was performed. Hybrid layer formation with long and dense resin tags was observed only for RelyX ARC cementing system. Clearfil Esthetic Cement/DC Bond system revealed few and short resin tags formation, whereas no hybridization and resin tags were detected for self-adhesive resin cements. Some interfacial regions exhibited that the self-adhesive resin cements were not bonded to dentin, presenting bubbles or voids at the interfaces. In conclusion, TEM and SEM bonding interface analyses showed ultramorphological variations among resin cements, which are directly related to dental bonding strategies used for each resin cement tested.

Correlative

10.1002/jemt.22290

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Citations (16)

Preparative separation, structural analysis and evaluation of dentin stiffening activity of grape seed oligomeric proanthocyanidins

Planta Medica (2014)

RS Phansalkar Shao‐Nong Chen José G. Napolitano JW Nam JB Mc Alpine

A strong and stable dentin-collagen matrix is a prerequisite for building long lasting dental restorations. From previous studies, a 15-fold increase in the dentin stiffening activity was observed on treatment with crude grape seed extract (GSE). Dentin stiffness assay is performed on demineralized dentin beams using a Shimadzu EZ-graph universal testing machine that evaluates mechanical strength of the dentin 1hr post treatment with sample. A partition of the GSE enriched in PAC oligomers from n = 2 to n = 4 (GSE-MP) was produced using a 3 phase solvent system. GSE-MP was found to be more active than the crude extract. A novel centrifugal partition chromatography (CPC) method using 2 step elution and 1 step extrusion has been developed to separate the complex mixture of grape seed oligomeric PACs. GSE-MP also contains galloylated oligomeric PACS (GOPACs). We have previously observed that galloylation increases the dentin stiffness activity in case of monomeric PACs. Thus isolation of GOPACs from GSE-MP using CPC followed by preparative reverse phase HPLC (RP-HPLC) is targeted in order to perform structural analyses as well as dentin bio-modification studies.

Grape seed extract

Grape seed

10.1055/s-0034-1382673

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