1. WHO. Future use of materials for dental restoration: report of the meeting convened at WHO HQ, Geneva, Switzerland, 16–17 Nov 2009. 2010.
2. Bowen RL. Dental filling material comprising vinyl silane treated fused silica and a binder consisting of the reaction product of Bis-phenol and glycidyl acrylate. US Patents No. 3066112. 1962.
3. Bowen RL. Method of preparing a monomer having phenoxy and methacrylate groups linked by hydroxy glyceryl groups. United States Patents No. 3179623. 1965.
4. Bowen RL. Silica-resin direct filling material and method of preparation. United States Patents No. 3194783 and No. 3194784. 1965.
5. Peutzfeldt A. Resin composites in dentistry: the monomer systems. Eur J Oral Sci. 1997;105:97–116.