The effect of casein and calcium containing paste on plaque pH following a subsequent carbohydrate challenge |
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Authors: | Paul Chetcuti Caruana Sami Al MulaifyRebecca Moazzez David Bartlett |
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Institution: | Department of Prosthodontics, King''s College London Dental Institute at Guy''s, King''s and St Thomas’ Dental Hospitals, United Kingdom |
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Abstract: | ObjectivesPrevious research has shown that regular use of CPP–ACP increases calcium and inorganic phosphates in plaque and reduces enamel mineral loss. The aim of this study was to investigate if a CPP–ACP-containing paste would neutralize acidic challenges in dental plaque following sucrose rinse.MethodPlaque pH was measured on 15 subjects in a cross-over study with and without prior application of the paste and with and without CPP–ACP. On each occasion, subjects rinsed with 10% sucrose and sorbitol solutions for 2 min in randomized order.ResultsThe results showed the median lowest pH without paste was 4.8 (IQR: 4.7–5.0) and with mousse 5.6 (IQR: 5.5–5.6 and p < 0.001). The median lowest pH was 5.0 (IQR: 4.9–5.3) without CPP–ACP and with CPP–ACP was 5.8 (5.6–6.1 and p < 0.001). The time that pH remained below 5.7 and the time to return to resting pH showed similar differences in all subjects (p < 0.01).ConclusionThe results indicate that prior application of a CPP–ACP-containing paste reduced the fall in plaque pH following a sucrose challenge. |
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Keywords: | Plaque pH Sucrose Measurement CPP&ndash ACP pH |
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