Introduction Caries in permanent teeth most often start from the occlusal surfaces of the first molars, soon after eruption at the age of six. At that point the occlusal surfaces are at risk due to the presence of many retentive areas.
Aim – To study the spread and characteristics of cavitated dentine caries in the first permanent molars after eruption.
Methodology 351 children, distributed into two groups were subjected to the study: the first group – 6 to 9-year olds, and the second group – 10 to 12-year olds. The registration of the oral status was carried out with an epidemiological card for oral health assessment – brief bio, dental status and description of the cavitated carious lesions in the dentine. The clinical description of the D3 carious lesions present was determined according to the localization of the carious lesions (occlusal, approximal, cervical), the color and the consistency of the carious dentine, via the Bjørndal et al scale.
Results The results of this study show that children aged 6 to 12 have on average three to four carious teeth. Dentine carious lesions D3 with occlusal localization in the first permanent molars are plausibly more numerous than the carious lesions with approximal and cervical localization. In the first permanent molars, the dentine carious lesions with occlusal localization are characterized by darker colors of carious dentine and a relatively hard consistency.
Conclusions In the first permanent molars the more slowly progressing carious lesions are predominant.
Keywords Caries; Dental decay; Dentine; Occlusal surfaces; Permanent first molar.
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