Study on ceramic coating on the enamel surface using a carbon dioxide laser

Nihei, Tomotaro; Kurata, Shigeaki; Ohashi, Katsura; Umemoto, Kozo; Teranaka, Toshio

doi:10.4012/dmj.2010-111

Cited by 3 publications

(3 citation statements)

References 21 publications

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“…Moreover, substantial improvement in the acid resistance of the tooth structures could not be achieved by the fusion of the apatite powder only. Thus, considering the possibility of enhancing the acid resistance of the tooth structure by laser irradiation, we demonstrated the fusion of calcium phosphate glass to the enamel surface using a CO 2 laser in our previous studies [11][12][13][14]. This method enables the use of an active approach for the treatment of incipient carious lesions, such as pit and fissure sealants, in accordance with the recent minimal intervention concept in restorative dentistry.…”

Section: Effect Of Calcium Phosphate Glass On Dentinal Tubule Sealing After Irradiationmentioning

confidence: 67%

“…The composition of calcium phosphate glass is similar to that of natural enamel (32% CaO, 11% SrO, 4% Al 2 O 3 , 52% P 2 O 5 , and 1% CeO 3 ). Previous studies have reported the fusion of the enamel with the calcium phosphate glass creating an indistinct margin in a gradient manner when the enamel was used as an adherend [11][12][13][14]. Therefore, calcium phosphate glass is considered to possess the ability to merge with the highly inorganic contents of the enamel.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Calcium Phosphate Glass on Dentinal Tubule Sealing after Irradiation with the Carbon Dioxide Laser

Ohashi¹,

Sugahara²,

Katayama³

et al. 2020

JMSE-A

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The aim of this study was to evaluate the dentinal tubule sealing and acid resistance of dentin specimens following the application of calcium phosphate glass powder prior to irradiation with a CO 2 (carbon dioxide) laser. Dentin models simulating open dentinal tubules were divided into two groups: experimental (calcium phosphate glass slurry applied to the dentin surface) and control (no slurry applied to the surface). All specimens in the experimental group and five specimens in the control group were irradiated with a CO 2 laser. The defocused laser beams (0.5 and 1 W) were applied (spot size, 5 mm in diameter) from a distance of 20 mm for 10 s. The surfaces and cross-sectional areas of the specimens were examined using an SEM (scanning electron microscope). In addition, the resistance to acid was evaluated in these specimens. The open dentinal tubules in the control groups were sealed following irradiation with the CO 2 laser at 0.5 W and 1.0 W. Likewise, sealing of open dentinal tubules was observed in the experimental group after CO 2 laser irradiation. The acid resistance of the dentin surface was improved after CO 2 laser irradiation; specimens in the experimental group presented with significantly lower amounts of Ca ion release compared to those in the control group. These findings indicate that CO 2 laser irradiation alone or after the application of calcium phosphate glass powder can effectively seal the dentinal tubules and alleviate dentin hypersensitivity.

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Section: Effect Of Calcium Phosphate Glass On Dentinal Tubule Sealing After Irradiationmentioning

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Effect of Calcium Phosphate Glass on Dentinal Tubule Sealing after Irradiation with the Carbon Dioxide Laser

Ohashi¹,

Sugahara²,

Katayama³

et al. 2020

JMSE-A

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“…laser de CO 2 ainda não foi avaliado na literatura para o tratamento superficial de porcelanas dentárias de forma a se produzir uma supefície mais lisa. O laser já foi sugerido para o tratamento de cerâmicas na odontologia, mas somente com propósito restaurador(Nihei et al, 2011) e, principalmente, adesivo(Kitayama et al, 2010;Paranhos et al, 2011). Um tratamento de superfície com o laser de CO 2 poderia, assim como o fez para a sinterização, reduzir o tempo necessário para o glazeamento da peça.…”

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Tratamento de superfície de porcelanas dentárias pela irradiação com laser de CO2

Sgura¹

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Agradeço à meus pais Myriam e José pelo apoio desde sempre e por me encorajarem a seguir meus objetivos Agradeço a Renata pelo amor, cuidado e carinho. Por estar do meu lado para o que der e vier. Nossas viagens estão apenas começando...! Agradeço aos meus filhos Bruno e Felipe pelas suas existências, sem as quais teria menos motivos para lutar pelo meu crescimento profissional. Aos meu sogros Vera e José Carlos por todo o apoio durante os anos de mestrado e doutorado À minha tia Marisa e a minha avó Delphina (in memoriam) por terem me recebido a vinte anos atrás em São Paulo quando da minha graduação. Foi aí que tudo começou... À minha orientadora espiritual, minha segunda mãe Li pelos conselhos e amor. Ao Sr. Hans pela ajuda e por me receber em sua casa. Agradeço a todos os amigos da pós-graduação, por trocarem suas experiências comigo. Nesses cinco anos teria sido inviável o desenvolvimento de qualquer trabalho sem essa troca e sem a ajuda de muitos de vocês. Em minha dissertação de mestrado já havia feito esses agradecimentos, mas reitero a alguns amigos que tiveram um papel especial durante este novo trabalho: André DeVito pela amizade e confiança, presente em todos os momentos dessa última fase, nos corredores do Departamento, nos Congressos, nas Comissões, nas lutas por uma pós-graduação mais democrática e justa. Poucas pessoas tem um senso de justiça tão apurado e são tão fiéis a suas amizades e convicções; Fernando Taddeo que desde a época da nossa graduação sempre se mostrou muito prestativo; Erick Lima pelo auxílio com a espectrofotometria; Thaty Xavier pelas imagens de MEV, Karen Fukushima e Lucas Hian sempre dispostos a ajudar; Maurício Gomes,

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Σπάνια Νεφρικά Νοσήματα Και Εγκυμοσύνη. Νεότερες Θεραπευτικές Επιλογές Και Ανεπιθύμητες Εκβάσεις.

Θανασάς

2023

ΕΛΕΥΘΩ

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Η οξεία μεταστρεπτοκοκκική σπειραματανεφρίτιδα συχνότερα, και λιγότερο συχνά η οξεία νεφρική ανεπάρκεια είναι από τα πιο σπάνια νεφρικά νοσήματα που σχετίζονται με την εγκυμοσύνη. Η αντιμετώπιση των νεφρικών αυτών παθήσεων κατά την κύηση δεν είναι πάντα εύκολη. Η εισαγωγή των εγκύων στο νοσοκομείο στις περισσότερες των περιπτώσεων και η χορήγηση υγρών, αντιβιοτικών και άλλων φαρμάκων με σκοπό την κατά περίπτωση αντιμετώπιση αυτών των ασθενών αποτελούν τη βάση της θεραπείας. Στην παρούσα εργασία με βάση τη συστηματική παράθεση της σύγχρονης βιβλιογραφίας επιχειρείται μια σύντομη ανασκόπηση της οξείας σπειραματονεφρίτιδας και της οξείας νεφρικής ανεπάρκειας στην εγκυμοσύνη, αναφορικά με τις σύγχρονες διαθέσιμες θεραπευτικές επιλογές, η ορθή γνώση των οποίων είναι σε θέση να διασφαλίσει κατά το μέγιστο δυνατό το καλύτερο προγνωστικό αποτέλεσμα για τη μητέρα και το έμβρυο και το νεογνό.

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Study on ceramic coating on the enamel surface using a carbon dioxide laser

Cited by 3 publications

References 21 publications

Effect of Calcium Phosphate Glass on Dentinal Tubule Sealing after Irradiation with the Carbon Dioxide Laser

Effect of Calcium Phosphate Glass on Dentinal Tubule Sealing after Irradiation with the Carbon Dioxide Laser

Tratamento de superfície de porcelanas dentárias pela irradiação com laser de CO2

Σπάνια Νεφρικά Νοσήματα Και Εγκυμοσύνη. Νεότερες Θεραπευτικές Επιλογές Και Ανεπιθύμητες Εκβάσεις.

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