Department of Oral Medicine and Radiology, Saveetha University, Chennai, India
Research Article
Prevalence of the Types of Oral Lichen Planus in Patients of a Private Dental Institute
Author(s): Amit Singh and Vivek Narayan*
Lichen planus is a chronic inflammatory disease that affects the skin and
the mucus membrane. Oral lichen planus (OLP), the mucosal counterpart
of cutaneous lichen planus, presents frequently in the fourth decade of
life and affects women more than men in a ratio of 1.4:1. Different types
of oral lichen planus are present and the present study is performed to
find the prevalence of different types of oral lichen planus. This is a
retrospective study and the data is acquired from the patient archives of
the department of Oral Medicine and Radiology. A total of 218 case
histories were reviewed. Cross verification of data was done by
photographic verification. Internal and external validity were verified. The
required patient details were entered in the excel sheet. The data is
transferred to SPSS for statistical analysis. Chi square test was used to
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