The focus of this study is the distribution and frequency of ameloblastoma according to histopathologic features and age in oral surgery clinic in Cipto Mangunkusumo Hospital period January 2002 - July 2008. This research is a quantitative and retrospective research with descriptive design. The results prove that ameloblastoma are most frequently found in third and fourth decade of life; while the most frequent histopatologic features are plexiform and folicullar pattern.