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Study aim:
treatment effect of nigella sativa ora base on oral lichen planus
Design:
sample size 20 patients in each group
randomization :simple
clinical trial:phase 2 or 1
Settings and conduct:
Patients with oral lichen planus lesions and inclusion criteria will be divided into two groups randomly and evaluated weekly for one month .
Two kind of orabase will be provided completely the same and outcome assessors, patients and data analyzers will be blind to groups of treatment
Participants/Inclusion and exclusion criteria:
inclusion criteria;
New case of oral lichen plans clinically and histopathologically confirmed;
limited to two lesions;
maximum 3 cm diameter;
exclusion criteria:
medically compromised patients;
lichenoid reaction;
pregnant or breast feeding patients;
children under 8 years old;
nigella sativa hypersensitivity;
immunosuppressant and analgesic drugs;
Moderate to severe dysplasia.
Intervention groups:
Nigella sativa ora basae group
corticosteroid orabase group
Main outcome variables:
Thongprossam Index