The retention of base metal crowns and noble metal crowns cemented with various luting agents is well documented. However, little emphasis was given on degree of convergence and surface area of tooth preparation.A study was planned to analyse the effect of degree of convergence & surface area of tooth preparation on retention of titanium crowns with various adhesive luting agents.45 caries free extracted human premolars were obtained & divided into 3 groups according to degree of convergence & sub divided according to type of luting agent used Light body copper band impressions were made to...