Table 1.

Experimental groups of the in vivo study.

Group	Pulp Treatment	Scaffold matrix	Component of matrix material
Group NC	Pulp extirpation only	None	None
Group PC	Pulp regeneration	Intrinsic blood clot	None
Group GM	Pulp regeneration	Extrinsic synthetic gelatin-based matrix (Floseal, Baxter, CA, USA)	Purified bovine-derived gelatin with human-derived thrombin
Group FM	Pulp regeneration	Extrinsic synthetic fibrin-based matrix (Greenplast-Q, GreenCross, Seoul, Korea)	Human-derived fibrinogen with thrombin solution

NC negative control, PC positive control, GM gelatin-based matrix, FM fibrin-based matrix.