1. Presence or absence of plaque on subgingival restorations;Waerhaug;Scand J Dent Res,1975
2. The finishing of composite restorations;Verrall;J Am Dent Assoc,1976
3. Physical and mechanical properties of composite restorative materials;Macchi;J Am Dent Assoc,1973
4. Physical properties and finished surface texture of composite restorative resins;Dennison;J Am Dent Assoc,1972