مجله دندانپزشکی کودکان ایران
پیاپی 11 (پاییز و زمستان 1389)

Backgroud &

Halitosis is one of the most common dental patient implications. This condition causes serious personal and social problems, Therefore a dentist should be able to diagnose the primary cause of halitosis and try to over come to the problem or refer the patient to a specialist. the purpose of this study is to evaluate the prevalence of halitosis on the girls studying in Tehran high school.

Design of this study was Cross sectional.We examined 504 girls in the age of 14-18 years, studying in Tehran high school to evaluate the halitosis in these students. In this study organoleptic examination was carried out by 3 judges and the patients with halitosis were selected.

24/4% of patients suffered from halitosis. There was significant relationship between parent's education, catching cold and halitosis.

It appears to be neccrssary to treat halitosis because of its high prevalence.

The aim of this study was to evaluate the retention and effectiveness of fuji III Glassinomer used as fissure sealant, on the prevention of occlusal of caries 5 years after placement. In this Observation-descriptive study in 1382, 3915 permanent first molar (with deep occlusal pit and fissures and without caries) of 2142 students (6-12 years old) in Ardabil and Nir cities were treated as fissure sealant with Glass ionomer (Fuji III) by two dentist and supervision of one pedodontist. After one years, all patients were recalled and reevaluated but after 5 years only 442 Child with 690 teeth were recalled. In this study, overall success of fissure sealant therapy after one year was was ٪83, and 5 years, almost ٪60. After 5 years among 182 persons that the occlusal surface of their left upper first molars were fissure sealant therapied, ٪49. 5 have suitable retention of fissure sealant, that ٪37 of them were female and ٪63 were male that considerable difference is available from point of type of sexs (P<0/05). Among 205 persons that the occlusal surface of their right upper first molars were fissure sealant therapied, ٪70. 7 have suitable retention that ٪43. 5 of them were female and ٪46. 5 were male. In 144 persons that the occlusal surface of their left lower first molar were treated by fissure sealant, ٪63. 2 have suitable retention that ٪58. 3 of them were female and ٪41. 7 were male. Finally among 159 persons that the occlusal surface of their lower first molars were fissure sealant therapied ٪52. 2 have suitable retention and ٪58. 4 of them were female and ٪41. 6 were male. Fissure sealant therapy by glass-ionomer is satisfactory in longtime prevention of occlusal Caries of first permanent molars.

Dental caries in primary dentition is one of the most important health problems in children which have effect on permanent dentition. The aim of this study was determination some effective factors on dental health indices in 5-year-old children in Karaj. This was a cross-sectional and descriptive randomized sampling study of 500 pre-school children. Investigation was based on questionnaires, observation and examination. At first a questionnaire was sent to parents for taking their permission and some information. Five hundred questionnaires out of 610 were received with total answers. Children were examined by disposable tools in an environment with sufficient and natural light. The information was collected by one researcher on the forms andthen analyzed with some statically test such as t-test, chi- squire and Pearson correlation. The mean dmft was 5.1±4.2. The rate of carries free was 21.2%. There was no statistically difference dmft index between boys and girls. Mother's education level had negative correlation with dmft index and showed a significant difference (p=0.038). It showed also that there is a relationship between cause of visiting dentist and decayed index (p=0.00). There was no statically difference in the grade of born and mother's job too. The findings of this study showed the necessity of mother's knowledge and early dental visit of children. These items are important on oral health promotion.