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Aims: The current study aims to compare alloys of dental implants and to find the ratio of titanium element (Ti) with different origins which are used by dentists in dental implant to restore the missing teeth. Materials and Methods: Three types of dental implants from Germany, Italy and Korea used in this study for statement the chemical structure of these alloys using (XRD: X-Ray Diffraction) (Model S1Turbo SD LE CE , BRUKER). Hardness, tensile strength, and flexibility coefficient tested by hardness measuring device Micro Hardness – AMSLER, Germany, 1978. The microstructure of samples obtained by Metrology Microscope (600X), ME-3125, UNION, 1978, Japan. Results: Different elements appeared in each alloy, and the titanium (Ti) ratio was the main one, where the Germany type (95.14%), Italy, (91.21%), while Korea type was the highest (95.21%). Tension Resistance in Germany model (755) N/(mm) 2 , Italian (781) N/(mm) 2 , and Germany (785) N/(mm) 2 . Hardness Vickers (HV) in Germany (277), Italy (285) and for Korean type (287). Modulus of elasticity, in Germany (107) Gpa, in Italy (115) Gpa. and in Korean (107) Gpa. The classification according to the American Society for Testing and Materials found in Germany Ti 3-2.5, Italy Ti6-2-1-1, and in Korean Ti 3-2.5. Conclusions: The Korean sample is best for three reasons the quantity of Titanium, Hardness Vickers (VH) and Tension Resistance are more. The Italy type is found better for Modulus Elasticity, while the Germany type is better in Microstructure. In general, and since, the three types have more than (90%) of Titanium there for all the types of dental implant are good against corrosion from acid and Hydrofluor-

Comparison Study for the Quantity of Titanium Exist in Different Type of Dental Implant Alloy