Araraquara 2011 - Faculdade de Odontologia - Unesp

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16Palavras Chaves: clareamento de dente, esmalte dentário, resinas compostas,microscopia de força atômica.
17Daniel, CP. Assessment of efects caused by different dental whitening systemson the structure of surface enamel and composite restorative. [Dissertação deMestrado]. Araraquara: Faculdade de Odontologia da UNESP, 2011AbstractThe aim of this study was to evaluate changes in microhardness,roughness and surface morphology of enamel and composite resin afterdifferent techniques of tooth bleaching. Standardized cavities prepared on thebuccal surface of bovine incisors were restored with composite resin. The teethwere divided into groups (n=6) according to the following treatments: G1 -bleaching with 10% carbamide peroxide (CP) gel; G2 - bleaching with 38%hydrogen peroxide (HP) gel; G3 - bleaching with 38% PH gel associated to lightirradiation. In G1, the whitening agent was applied for 8 hours daily during 21days. In G2 and G3, three sessions characterized by three applications ofbleaching gel for 15 minutes, with intervals of 7 days between sessions wereperformed. In G3, the bleaching gel was irradiated with LED (470nm) for 6minutes. During the intervals among applications of the bleaching gel onenamel, all specimens were stored in artificial saliva. The Knoop microhardnessof enamel and composite resin was evaluated before the bleaching procedureand at 1, 7, 14 and 21 days after this treatment. The roughness and superficialmorphology (atomic force microscope) were evaluated before and at 21 daysafter the bleaching procedure. Data were analyzed by Mann-Whitney andWilcoxon statistical tests. It was observed a significant decrease in hardness ofenamel to G2 and G3 after the 2nd and 3rd bleaching sessions, respectively,when compared to the initial enamel hardness (p
Page 1 and 2: UNIVERSIDADE ESTADUAL PAULISTA“J
Page 3 and 4: Wxw|vtàÜ|t3
Page 5 and 6: TzÜtwxv|ÅxÇàÉá XáÑxv|t|á5
Page 7 and 8: 7A todos os meus familiares (tios,
Page 9 and 10: 9À Faculdade de Odontologia de Ara
Page 11 and 12: 11“ Sentimos saudade de certos mo
Page 13 and 14: 136 DISCUSSÃO.....................
Page 15: 15Daniel, CP. Avaliação dos efeit
Page 19 and 20: Introdução19
Page 21 and 22: 21pois o mesmo controla a quantidad
Page 23 and 24: 23Proposição
Page 25 and 26: 25RevisãodaLiteratura
Page 27 and 28: 27tratamento clareador era conserva
Page 29 and 30: 293.2 Utilização da luz como acel
Page 31 and 32: 31aumentar a absorção de luz, por
Page 33 and 34: 33rugosidade superficial do esmalte
Page 35 and 36: 35foi atribuído à presença da sa
Page 37 and 38: 37superficial do esmalte aumentou d
Page 39 and 40: 39Faraoni-Romano et al. 30 , em 200
Page 41 and 42: 41realizados os seguintes tratament
Page 43 and 44: 4310% de PH, havendo um clareamento
Page 45 and 46: 45confeccionadas seis amostras de c
Page 47 and 48: 47áreas padronizadas. Concentraç
Page 49 and 50: Material e Método49
Page 51 and 52: 514.2 Preparo cavitárioApós a obt
Page 53 and 54: 53FIGURA 5 - Ilustração da resina
Page 55 and 56: 55corrente. Após o polimento (Figu
Page 57 and 58: 57FIGURA 12 - Clareamento com gel c
Page 59 and 60: 594.6 Análise da microdurezaAs men
Page 61 and 62: 61Inicial7diasdeaplicação14diasde
Page 63 and 64: 63FIGURA 20 - Detalhe da base sobre
Page 65 and 66: 65FIGURA 23 - Rugosímetro (SJ 400,
Page 67 and 68:
67Já para os valores de rugosidade
Page 69 and 70:
695 Resultados5.1 Microdureza Knoop
Page 71 and 72:
715.2 RugosidadeNa Tabela 4, já co
Page 73 and 74:
FIGURA 21- Imagens obtidas em MFA d
Page 75 and 76:
Discussão75
Page 77 and 78:
77superficial. Os autores observara
Page 79 and 80:
79observados no controle, sendo con
Page 81 and 82:
81associado ou não a irradiação
Page 83 and 84:
Conclusão83
Page 85 and 86:
Referências85
Page 87 and 88:
8710. Benetti AR, Valera MC, Mancin
Page 89 and 90:
8930. Faraoni-Romano JJ, Silveira A
Page 91 and 92:
9154. Latimer, J.S. Notes from the
Page 93 and 94:
9375. Turker SB, Biskin T. The effe
Page 95 and 96:
95Daniel, Carolina PrattiAvaliaçã
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