Figure 2 - Resorbable haemostatic agents can be placed in sockets to aid healing

From the following article

Verifiable CPD Paper: 
General medicine and surgery for dental practitioners Part 9: Haematology and patients with bleeding problems

J G Meechan & M Greenwood

British Dental Journal 195, 305 - 310 (2003) Published online: 27 September 2003

doi:10.1038/sj.bdj.4810526