128 Chapter 6 MAIN CONCLUSIONS The salivary film and MUC5B levels were not equally distributed over the mouth. The anterior tongue had the thickest salivary film and also the highest levels of MUC5B, while the anterior palate had the thinnest salivary film and lowest MUC5B levels. There was no association between the palatal surface area and the salivary film thickness at the palate, also when sex and salivary flow rate were taken into consideration. These findings indicate that a larger surface area is not associated with a relatively thinner salivary film.
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