Table 1 Collagen membranes used for the study
Collagen Source | Brand | Manufacturer | LOT | Constituent | Abbreviations |
|---|---|---|---|---|---|
Porcine dermis | Bio-Gide | Geistlich Pharma AG, Wolhusen LU, Switzerland | 82101099 | Heterologous collagen | PD |
Bovine pericardium | Lyoplant | B.Braun Biotech International, Melsungen, Germany | 220382 | Heterologous collagen | BP |
Bovine dermis | Heal-All | Zhenghai Biotechnology Co., LTD, Yantai, China | SS200803 | Heterologous collagen | BD |