Objective: Remark clinical and radiologic features of reversible pulpitis patients at Institute of Odonto-Stomatology, Hanoi Medical University. Methods: cross-sectional descriptive study, on 30 cases seeking medical care at Institute of Odonto-Stomatology, Hanoi Medical University. Patients were examined, get pupal tests, take X-rays and have detailed medical records. Result: 100 percent of patients were under 30 years of age. 7 male patients accounted for 33.3 percent, female 14 patients accounted for 66.7 percent. Placement of common injure is the buccal (43.3 percent), occlusal (40 percent), the rest is coordination between the two sides (16.7 percent). In the study there were no injuries in lingual, distal and mesio side. Clinical examination, radiologic combined to determine the depth of the lesion and cOffelated with the pulp. Bucal injuries group with depth 3mm percentage of 23.3 percent, the occlusial surface damage depth 3 mm is 13.3 percent, and group collaboration 3mm deep' injury is 3.3 percent. For lesions that have depth 3 mm on the buccal side encounter rate is 20 percent, 26.7 percent is occlusal surface. Conclusion: All patients were under 30 years of age. More female than male patients. The teeth in studies were molars and bicuspids. Location lesions mainly on the buccal and occlusial surfaces. The depth of the lesion mainly 3 mm.