To research the clinical and paraclinical characteristic of odontomas

All cases of odontoma treated at Hanoi Institute of Odonto-maxillo facial Institute from 1994 to 2004 were investigated. Odontoma had been occurred at any age group, the lowest was 6, the highest was 67 and mean age 20.59 years. 58.82% of Odontoma had been occurred in the upper maxial bone, 41.18% in the lower. Common clinical sumptoms were bone swell in 88.24% of cases, permanent loss of tooth 47.06%, existing milk tooth in 76.47%, pain in 11.76%. In 47.06% the pre-operative diagnosis was agreed with patho-anatomical diagnosis and 93.33% of preoperative diagnosis with pathoanatomical diagnosis Odontoma complex accounted for 73.33% and odontoma compound 26.67%.

Study on periodontal disease status in primary education pupils in Hanoi city

At Ly Thuong Kiet primary school in Hanoi, in 42 school children aged from 8-11 years old, an odonto-stomatology investigation was performed. Results showed that: tooth caries were usually detected in almost subjects with an equal incidence in boys and girls. Milk teeth caries had got high incidence in an average of 2.6 caries for each subject. This incidence was lower for permanent teeth – average 0.5 for each. The results found an significant improvement of odonto-stomatological health in comparing with the last second investigation at national level.