HUBUNGAN ANTARA LAMA MASA KERJA DENGAN KEJADIAN GINGIVAL LEAD LINE PADA TUKANG PARKIR DI KOTA SEMARANG

Abstract

Background : Gingival lead line is the early sign of lead chronic toxixity. The parking assistants have a higher risk of gingival lead line than ordinary people because they are frequently exsposed to lead in the air on higher dose. The purpose of this research was to study the correlation between works duration and gingival lead line existence among parking assistants in Semarang. Methods : The research design was crosssectional observasional and consist of 30 parking assistants who had worked at least for a year. Data’s were collected by direct examination of subject’s upper and lower front gingiva and classified according to Sudibyo’s score then analysed by Spearman test (p < 0,05). Result : The result of the study showed that there was no correlation between works duration and gingival lead line existence (p=0.815, r=0,045). Conclusion :Although the correlation between works duration and gingival lead line was not significantly proved but work duration is still becoming a risk factor of high dose lead exposure that can influence human body. Key words : works duration, gingival lead line, the parking assistant