Association of Nd:YAG laser and calcium-phosphate desensitizing pastes on dentin permeability and tubule occlusion

Maximiano, Vinícius; Machado, Alana Cristina; Lopes, Raquel Marianna; Rabelo, Fernanda Ellen Mercatelli; Garófalo, Stephanie Assimakopoulos; Zezéll, Denise Maria; Aranha, Ana Cecília Corrêa; Scaramucci, Taís

doi:10.1590/1678-7757-2020-0736

Cited by 10 publications

(5 citation statements)

References 31 publications

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“…Similarly, when Teethmate desensitizer (Kuraray Noritake Dental, Nigata, Japan) is applied to dentin, it turns into hydroxyapatite with tetracalcium phosphate and dicalcium phosphate in its content and clogs the dentinal tubules so that tooth discoloration can be reduced [12]. Neodymium-doped yttrium aluminum garnet (Nd:YAG) laser, which is offered as an alternative treatment for dentinal tubule occlusion, has been shown to occlude dentinal tubules through a procedure called "melting and resolidi cation" [13]. Erbium-doped yttrium aluminum garnet (Er:YAG) laser provides occlusion of dentinal tubules by crystallization or melting of dentin [14].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Effectiveness of Different Treatment Approaches in Preventing Coronal Discoloration Caused By Regenerative Endodontic Treatment

Ateş

Aydın

2023

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Objectives This study aimed to evaluate the effectiveness of Teethmate desensitizer, a dentin bonding agent (DBA), Nd:YAG laser, and Er:YAG laser, which provides dentin tubule occlusion in the pulp chamber with different mechanisms, in preventing tooth discoloration due to regenerative endodontic treatment. Materials and Methods One hundred five extracted maxillary human incisors with single roots and single canals were included in the study. The apical third of each tooth was resected below the enamel-cementum junction (CEJ) to obtain a standard root length as 10 ± 1 mm. Root canal preparation was performed using the ProTaper Next files up to X5. Root canals were prepared with Gates Glidden (# 2–4) burs to simulate the immature root apex and an apical diameter of 1.1 ± 0.1 mm was obtained. The teeth were randomly divided into 7 groups (n = 15): DBA, Teethmate, Nd:YAG, Er:YAG, Biodentine, Blood, and Negative Control. Relevant dentin tubule occlusion methods were applied to DBA, Teethmate, Nd:YAG, and Er:YAG groups. Biodentine was placed on the blood clot after filling the root canals with blood up to 4 mm below the CEJ in all groups, except for blood and Biodentine applications only. Color measurement was performed with the spectrophotometer Vita Easyshade Advance before treatment, immediately after treatment, and at days 7, 30, and 90. Data were converted to L*a*b color values of Commission International de I'Eclairage (CIE L*a*b) and ΔE values were calculated. Two-way Anova and Post-Hoc Tukey test (p = 0.05) were performed for statistical analysis. Results A clinically detectable color change was observed in all groups except for the negative control (ΔE ≥ 3,3). It was observed that Biodentine used alone has a potential for discoloration. It was determined that as the contact time with blood increased, tooth discoloration increased. However, no significant difference was found between dentin tubule occlusion methods in preventing color change (p > 0.05). Conclusions It was determined that no dentin tubule occlusion method could 100% prevent discoloration caused by RET. Clinical Relevance DBA and Teethmate, which do not have a significant difference in terms of preventing color change, are considered to be suitable for dentin tubule occlusion due to their ease of application and low cost compared to Nd:YAG laser and Er:YAG laser.

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Section: Introductionmentioning

confidence: 99%

Evaluation of the Effectiveness of Different Treatment Approaches in Preventing Coronal Discoloration Caused By Regenerative Endodontic Treatment

Ateş

Aydın

2023

Preprint

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“…Both surfaces of the dentin discs were finished using a polishing machine (Spectrum System 1000, Leco Corporation, Saint Joseph, MI, United States) with 1200-grit silicon carbide abrasive paper (Leco Corporation) to obtain flat disc surfaces without the occlusal enamel and pulp horns. Discs were individually stored in wells of a 96-well plate with absorbent paper damped with deionized water to provide a humid environment, and stored at 4 C until use 5,22,23.…”

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Effect of a modified adhesive system with encapsulated arginine and calcium carbonate on dentin permeability

et al. 2023

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To modify an adhesive system with halloysite clay nanotubes (HNTs) containing arginine and calcium carbonate and to evaluate their cytocompatibility, viscosity and efficacy in reducing dentin permeability. HNTs containing arginine and calcium carbonate were incorporated into the primer and adhesive of a three‐step adhesive system (SBMP), and their viscosity was measured. Discs (n = 4/group) were prepared: SBMP (control), HNT‐PR (modified primer), HNT‐ADH (modified adhesive) and HNT‐PR + ADH (modified primer and adhesive) were evaluated regarding cell death and viability. Dentin discs were prepared and randomly assigned into the following treatments (n = 10): NC (no treatment), SBMP, HNT‐PR, HNT‐ADH, HNT‐PR + ADH and COL (Colgate® Sensitive Pro‐relief™ prophylaxis paste). After, they were submitted to an erosive‐abrasive cycling. Dentin permeability (hydraulic conductance) was evaluated at baseline, 24 h after treatment and after cycling. Both the modified primer and adhesive showed significantly higher viscosity than their controls. Group HNT‐PR resulted in significantly higher cytotoxicity when compared to SBMP and HNT‐PR + ADH groups. Group HNT‐ADH resulted in the highest cell viability compared to all other groups. All groups showed significantly lower dentin permeability when compared to the NC group. Post‐cycling, SBMP and HNT‐ADH groups showed significantly lower permeability when compared to COL group. The addition of encapsulated arginine and calcium carbonate did not affect the cytocompatibility of the materials nor their ability to reduce dentin permeability.

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“…Sendo assim, dependendo de sua composição química e física, os dentifrícios causarão diferentes graus de oclusão tubular e de perda da superfície dentinária, o que pode modular a HD. após a aplicação do tratamento, mas o tratamento não resistiu à ciclagem(77). A associação da NuPro® ao laser de Nd:YAG também foi testada na permeabilidade dentinária e oclusão tubular.…”

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“…Já a análise quantitativa, por meio de espectrofotômetro, utilizando filtro de 405 nm.Para os testes de permeabilidade dentinária e de diferenciação celular, foram utilizados discos de dentina com 1 mm de espessura. A partir das coroas, os discos foram preparados utilizando uma máquina de corte de precisão (Isomet 1000, (EDTA -Fórmula e Ação, São Paulo, Brazil; pH 7.4) por 5 min, visando abrir túbulos dentinários e remover smear layer, de forma a simular dentina hipersensível(34,77,90). Os espécimes foram novamente sonicados com água destilada para a remoção de detritos e individualmente armazenados em placas de 24 poços para cultura celular, sob umidade relativa e refrigeração 4 °C.…”

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Avaliação de um biovidro experimental na perda de superfície e oclusão tubular da dentina, e da sua associação à terapia de fotobiomodulação na diferenciação de células da polpa dentária humana

Viana¹

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À Profa. Dra. Carla Sipert por ter aberto as portas do seu laboratório para que eu pudesse conduzir essa pesquisa. Sem você, professora, esse trabalho não seria possível. Obrigado por ser tão disponível, por ir ao laboratório pessoalmente me ensinar cada passo da metodologia. Nossa convivência sempre foi muito agradável e eu fico extremamente feliz e honrado por ter tido a oportunidade de aprender mais com você. Sua paixão pela pesquisa é nítida, seus olhos brilham ao explicar o porquê de cada passo do processo, sempre sendo otimista, mas com um toque de realidade. Obrigado por confiar no meu potencial e por me acolher no seu grupo de pesquisa. Agradeço também às suas orientadas, Juliana Rahhal e Letícia Martins por toda a ajuda no laboratório. Sempre que eu me desesperava ou precisava de uma ajuda imediata, eu sabia que podia contar com vocês. Aos funcionáriosAldo, David, Leandro e Selma, do Departamento de Dentística, por facilitarem o meu dia a dia. De forma especial, agradeço à Silvana, técnica dos laboratórios de pesquisa. Você, Sil, é uma pessoa iluminada, que alegra os nossos dias. Além de desempenhar o seu trabalho de forma exemplar, você também é uma amiga e, às vezes, um pouco mãe. Obrigado por tudo! Agradeço também aos meus doadores de saliva. Sem vocês esse trabalho não existiria.Agradeço aos meus amigos da graduação da UNESP: Carolina,

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Association of Nd:YAG laser and calcium-phosphate desensitizing pastes on dentin permeability and tubule occlusion

Cited by 10 publications

References 31 publications

Evaluation of the Effectiveness of Different Treatment Approaches in Preventing Coronal Discoloration Caused By Regenerative Endodontic Treatment

Evaluation of the Effectiveness of Different Treatment Approaches in Preventing Coronal Discoloration Caused By Regenerative Endodontic Treatment

Effect of a modified adhesive system with encapsulated arginine and calcium carbonate on dentin permeability

Avaliação de um biovidro experimental na perda de superfície e oclusão tubular da dentina, e da sua associação à terapia de fotobiomodulação na diferenciação de células da polpa dentária humana

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