Diffusion of Hydroxyl Ions from Calcium Hydroxide and Aloe vera Pastes

Autor(es)

Victor Eduardo de Souza Batista ^[1] ; Douglas Dáquila Olian ^[2] ; Graziela Garrido Mori ^[3]

Afiliação do(s) autor(es)

^[1] UNESP - Univ Estadual Paulista. Araçatuba School of Dentistry. Department of Dental Materials and Prosthodontics - Brasil

^[2] Private Practice - Brasil

^[3] FAI - Integrated Colleges of Adamantina. Adamantina School of Dentistry. Department of Integrated Clinics - Brasil

• Tipo de documento: Artigo Científico
• Fonte: Brazilian Dental Journal; v. 25, n. 3, p. 212-216, 2014-07-00.

Resumo

This study evaluated the diffusion through the dentinal tubules of hydroxyl ions from different calcium hydroxide (CH) pastes containing Aloe vera. Sixty single-rooted bovine teeth were used. The tooth crowns were removed, the root canals were instrumented and the specimens were assigned to 4 groups (n=15) according to the intracanal medication: Group CH/S - CH powder and saline paste; Group CH/P - CH powder and propylene glycol paste; Group CH/A - calcium hydroxide powder and Aloe vera gel paste; Group CH/A/P - CH powder, Aloe vera powder and propylene glycol paste. After placement of the root canal dressings, the teeth were sealed coronally and apically with a two-step epoxy adhesive. The teeth were placed in identified flasks containing deionized water and stored in an oven with 100% humidity at 37 °C. After 3 h, 24 h, 72 h, 7 days, 15 days and 30 days, the deionized water in the flasks was collected and its pH was measured by a pH meter. The obtained data were subjected to statistical analysis at a significance level of 5%. The results demonstrated that all pastes provided diffusion of hydroxyl ions through the dentinal tubules. The combination of Aloe vera and CH (group CH/A) provided a constant release of calcium ions. Group CH/A/P showed the highest pH at 24 and 72 h. In conclusion, the experimental pastes containing Aloe vera were able to enable the diffusion of hydroxyl ions through the dentinal tubules. (AU)

• Processo FAPESP: 11/20257-0 - Avaliação da capacidade de difusão de pasta de hidróxido de cálcio associado ao aloe vera através dos túbulos dentinários
• Beneficiário: Victor Eduardo de Souza Batista
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica