Forensic Dentistry, Second Edition

Forensic medicine and human identification 69

be seen in occupations that require carrying heavy objects, or in musicians

and typists. Inflammation around the fingernails can be seen in hairdressers

and gardeners. Contact with chemical agents may cause certain types of skin

rashes. Calluses can occur on the hands and feet in certain occupations. Blue

scars are often seen in coal miners due to carbon dust entering skin lesions.

Small burns on exposed skin may result from steel or foundry work.

Figure 5.11 unique tattoos.

Figure 5.12 unique tattoo.

A B

Figure 5.13 microscopic silica nodule in the lung (a) and polarization of silica
particles within the nodule (B).