To evaluate the efficacy of a castor bean-based solution (Ricinus communis) for removal of complete denture biofilm, comparing it with two products available on the market (sodium hypochlorite and alkaline peroxide). Fifty complete maxillary denture-wearers were instructed to brush their dentures after meals and once a day, for a period of 07 days, immerse them in the following solutions: A - Control: Physiological solution(20 minutes). B - Polident alkaline peroxide(3 minutes). C - 1% sodium hypochlorite(20 minutes). D - castor bean-based solution(20 minutes). The participants immersed their dentures in each of the solutions, according to a randomized sequence. For biofilm quantification, before (Baseline) and after the use of each product, the internal surfaces of maxillary complete dentures were revealed (1% neutral red), photographed and the stained biofilm was quantified with the aid of software (Image Tool 3.0). After concluding measurements of the areas (total and biofilm), the percentage of surface covered by biofilm of the complete denture was calculated .
The study sought to minimize the occurrence of bias, and whenever possible sought to "blind" the parties involved (researchers, volunteers and statisticians), since none of them had knowledge of the allocation of treatments. The present study also followed the criteria described in the CONSORT Declaration
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
TRIPLE
Enrollment
50
The volunteers were instructed to brush the internal surface of complete dentures for 2 minutes, 3 times a day, after meals (breakfast, lunch and dinner) and use the following chemical immersion methods, only once a day after dinner: A - Control (Co): Physiological solution, for 20 minutes. B) 1% Sodium Hypochlorite, for 20 minutes. C) Polident Alkaline Peroxide, for 3 minutes. D) 2,0% Castor bean solution Ricinus communis, for 20 minutes. In addition, the participants were instructed to immerse their dentures in water during the night period, before going to sleep.
The volunteers were instructed to brush the internal surface of complete dentures for 2 minutes, 3 times a day, after meals (breakfast, lunch and dinner) and use the following chemical immersion methods, only once a day after dinner: A - Control (Co): Physiological solution, for 20 minutes. B) 1% Sodium Hypochlorite, for 20 minutes. C) Polident Alkaline Peroxide, for 3 minutes. D) 2,0% Castor bean solution Ricinus communis, for 20 minutes. In addition, the participants were instructed to immerse their dentures in water during the night period, before going to sleep.
The volunteers were instructed to brush the internal surface of complete dentures for 2 minutes, 3 times a day, after meals (breakfast, lunch and dinner) and use the following chemical immersion methods, only once a day after dinner: A - Control (Co): Physiological solution, for 20 minutes. B) 1% Sodium Hypochlorite, for 20 minutes. C) Polident Alkaline Peroxide, for 3 minutes. D) 2,0% Castor bean solution Ricinus communis, for 20 minutes. In addition, the participants were instructed to immerse their dentures in water during the night period, before going to sleep.
The volunteers were instructed to brush the internal surface of complete dentures for 2 minutes, 3 times a day, after meals (breakfast, lunch and dinner) and use the following chemical immersion methods, only once a day after dinner: A - Control (Co): Physiological solution, for 20 minutes. B) 1% Sodium Hypochlorite, for 20 minutes. C) Polident Alkaline Peroxide, for 3 minutes. D) 2,0% Castor bean solution Ricinus communis, for 20 minutes. In addition, the participants were instructed to immerse their dentures in water during the night period, before going to sleep.
Denture area covered with biofilm
The volunteers were instructed to brush their dentures ,3 times a day and use the following chemical immersion methods, only once a day after dinner: A)Physiological solution .B) 1% Sodium Hypochlorite .C) Polident Alkaline Peroxide .D) 2,0% Castor bean solution . All the volunteers used one of the four chemical methods in a random sequence for a period of 07 days each. Between each period of use, there was a one week wash out period during which the patient performed his/her habitual cleaning procedure.On the first day and after 07 days of using the interventions, the internal surfaces of dentures were revealed with 1% neutral red solution and photographed with a digital photographic camera. Biofilm was measured on the photographic images of the complete dentures, using the computerized quantitative method "ImageTool". After concluding measurements of the areas (total and biofilm), the percentage of surface covered by biofilm of the complete denture was calculated .
Time frame: 8 weeks
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