A multicenter study of oral malignant tumors from Thailand.

Background: Oral malignant tumors in Thailand have not been extensively studied. Hence the following study was conducted.

Aims: To determine the prevalence and clinicopathologic data of the oral malignant tumors from Thailand.

Geriatric oral lesions: A multicentric study.

Aim: To carry out an oral biopsy survey in geriatric patients from the participating institutions.

Methods: The biopsy records of the participating institutions were reviewed for oral lesions from patients aged 65 years and older diagnosed from 2003 to 2012. Demographic data and the site of the lesions were collected.

Ameloblastoma: a multicentric study.

Objective: The objective of this study was to supplement the current ameloblastoma database by reporting the clinicopathologic features of ameloblastoma from Asia and North America.

Materials And Methods: Biopsy records of the participating institutes were reviewed for lesions diagnosed as ameloblastoma during the years 1993 to 2009. Slides were reclassified according to the World Health Organization Classification of Odontogenic Tumors in 2005.