Dental preparations, namely, medicated oral care gels, medicated tooth gels for the reduction of sensitivity, medicated tooth gels for caries prophylaxis and erosion protection, medicated toothpaste, medicated tooth cleaning gels, dental preparations for disclosing plaque; Sealing agents for dental purposes; Diagnostic preparations for dental purposes in the nature of peptide substrates; Amino acids for dental purposes; Biological and biochemical preparations for the treatment of gum disease,...