Castor oil applied to one side of the selected primary canine

Formocresol applied to other side

Procedure :pulpotomy procedure and histological evaluation. A sample of sixty two primary teeth from thirty healthy cooperative children of both sexes who were between 7-9 years and referred to Pediatric Dentistry Department. Two sound teeth without pulpotomy procedure were extracted and subjected to histological procedures to examine the normal pulp tissue and tissue organization (Negative control). The pulpotomy procedure was performed in sixty primary teeth (by split mouth design).

group I treated with castor oil

The degree of pulp inflammation using scores from 0 to 5 , 0 mean no inflammation ,5 mean abscess formation .

Measurement the effect of the castor oil as pulp medicament in treated teeth which subjected to decalcification procedure for histological evaluation under light microscope

The presence or absence of dentin chips formation by using scores 0 or 1.

Measurement the effect of the castor oil as pulp medicament in treated teeth which subjected to decalcification procedure for histological evaluation under light microscope