"Proposta de um método prático para avaliação do poder de neutralização existente na cavidade oral" / Proposal of a practical method to evaluate the neutralizing power inherent of oral cavity

AUTOR(ES)

Monique Saveriano de Benedetto

DATA DE PUBLICAÇÃO

2002

RESUMO

SUMMARY Caries prevention remains one of the main goals in dentistry. Since caries is a multifactorial disease, it becomes necessary to obtain all possible information about the patient during anamnesis. Hence, the professional is able to establish an individual preventive treatment for each patient. Saliva bears several functions in the oral cavity; consequently, it is an important host factor that modifies the caries process. Saliva buffering capacity is one of the important factors usually taken into account to predict the individual caries risk. Several tests have been applied to identify this saliva function. Some of them require laboratorial features, whereas others are easy to handle, and can be applied at dental offices. The purpose of the present study was to develop a practical method to assess the neutralizing power inherent of the oral cavity. The methodology was based on a rinse of Coke Ô for 30 seconds, performed by 50 subjects (including children, teenagers and adults), followed by the assessment of pH variation between the initial sample of soft drink and the final mixture (saliva + Coke Ô). Along with this method, two other well known buffer capacity tests were performed – titration with lactic acid and Dentobuff Strip®. We found statistically significant correlation between the proposed method and the titration with lactic acid (Pearson=0.304;p=0.032). On the other hand, there was no significant correlation between the proposed method and the test using Dentobuff Strip®. According to our results, the mean saliva neutralizing power after soft drink rinse, considering the cases of the critical enamel pH (5.5) and physiological saliva pH (7.0), were 23.8% (sd=16.5) and 17.0% (sd=12.4), respectively. The proposed method was practical and reliable to assess the neutralizing power of oral cavity and may be an additional technique to predict caries risk.

ASSUNTO(S)

odontopediatria pedodontics determinação boca tampão salivar neutralização da saliva saliva neutralizing evaluate method método de avaliação mouth determination

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