SalivaSaliva, ArtificialSalivary Proteins and PeptidesSalivationParotid GlandSalivary GlandsSubmandibular GlandMouthSublingual GlandImmunoglobulin A, SecretoryXerostomiaStreptococcus mutansDental PlaqueDental PellicleDental CariesHistatinsMouth MucosaActinomycesMucin-5BProline-Rich Protein DomainsSecretory RatePhlebotomus