Background: Radiography is an important tool to visualize the abnormalities that cannot be seen in clinical examination, before undergo rontgen examination clinical student should understand which type of radiography that is suitable for the case. Computed radiography has advantages of faster image reading, adjustable contras, adjustable density and sensitivity, and wider dynamic range whereas in conventional radiography, film development process is using developing and fixing substance that can only be done in a dark room with special lightning and specific temperature. Research Objectives: Aim of this study is to determine the description of radiography utilization in conventional and computed radiography (CR) with periapical technique in RSGM UMY. Research Methods: This is a descriptive observational study with cross-sectional design. The subject chosen for this research were clinical year student of 2013. There were 88 clinical student as respondents. The data analysis using descriptive as frequency distribution. The instrument used in this study is radiography utilization form. Result: The result of this study shows that computed radiography shows that computed radiography is mainly used by the clinical student year 2013 at RSGM UMY the usage for diagnose is (91,5%), the usage as a supporting treatment is (100,0%), and the usage as post treatment evaluation is (90,1%). Conclusion: Most of the clinical student year 2013 at RSGM UMY mainly uses the computed radiography (90,9%) rather than the conventional one.