N. Shanmuga Vadivu, K. Sankarananarayan, Comparative Survey in Automazied Tool of a Cephalometry Images for Orthodontist Application, Research Journal of Biological Sciences, Volume 6,Issue 5, 2011, Pages 240-251, ISSN 1815-8846, rjbsci.2011.240.251, (https://makhillpublications.co/view-article.php?doi=rjbsci.2011.240.251) Abstract: Cephalometry is an important diagnostic tool for orthodontist and craniomaxillo facial surgery. Location of landmark point assist to analyze the lateral cephalogram. Automatic location of landmark point in cephalogram may improve the quality of treatment plan and also time consumption. This study discusses different methods involved in the detection of landmark points in lateral cephalometry. Keywords: Cephalometry;landmark points;unilateral cleft lip;craniomaxillo;orthodontist;diagnostic tool