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https://hdl.handle.net/2440/97663
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Type: | Journal article |
Title: | Caries experience and distribution by tooth surfaces in primary molars in the pre-school child population of Lodz, Poland |
Author: | Bruzda-Zwiech, A. Filipińska, R. Borowska-Strugińska, B. Żądzińska, E. Wochna-Sobańska, M. |
Citation: | Oral Health and Preventive Dentistry, 2015; 13(6):557-566 |
Publisher: | Quintessence Publishing Group |
Issue Date: | 2015 |
ISSN: | 1602-1622 1757-9996 |
Statement of Responsibility: | Agnieszka Bruzda-Zwiech, Renata Filipińska, Beata Borowska-Strugińska, Elżbieta Żądzińska, Magdalena Wochna-Sobańska |
Abstract: | To evaluate caries experience in primary molars as well as the differences in caries prevalence and caries lesion location on individual tooth surfaces between first and second primary molars in pre-school children.A cross-sectional study was conducted on 307 children, aged 3 to 5 years, from randomly chosen kindergartens in Lodz, Poland. Caries experience was scored according to WHO recommendations. The caries intensity (dmft, dmfts) for first and second primary molars was calculated. In addition, the percentage of particular surfaces with caries was counted for each molar separately.The mean dmft for primary molars was 1.84 (dmfts = 2.47) and dmft > 0 was seen in 53.09% of the study subjects. While in the entire examined population dmft and dmfts for first and second molars did not differ significantly, in 5-year-old children, the left mandibular first molar was associated with a higher caries intensity than the left mandibular second molar (dmfts = 0.465 vs 0.344, Z = -1.98, p = 0.04). However, in 5-year-olds, higher caries occurrence was seen for occlusal surfaces of the tooth 85 than 84 (33.62% vs 20.68%, χ2 = 4.09, p = 0.03). The distal surface was more frequently affected in first molars than in second molars in children aged 4 (85 vs 84, χ2 = 17.1, p < 0.001; 75 vs 74, χ2 = 11.5, p = 0.007, 55 vs 54; χ2 = 4.6, p = 0.03) and 5 years (54 vs 55, χ2 = 20.09; 64 vs 65, χ2 = 16.75; 74 vs 75, χ2 = 21.6; 84 vs 85, χ2 = 31.07; all comparisons p < 0.001). In contrast, the mesial surfaces of mandibular second molars demonstrated more caries than the homologous surfaces of first molars, both in 4-year-olds (85 vs 84, χ2 = 6.15, p = 0.01) and 5-year-olds (75 vs 74, χ2 = 3.9, p = 0.04).In 5-year-old children, caries of occlusal and mesial surfaces was more common in primary second molars. However, distal surfaces were affected more in first than second molars. |
Keywords: | Mandible Molar Tooth, Deciduous Tooth Crown Tooth Root Humans Tooth Loss Dental Caries DMF Index Prevalence Cohort Studies Cross-Sectional Studies Dental Restoration, Permanent Age Factors Child, Preschool Poland Female Male |
Rights: | Copyright by Quintessence. Alll rights reserved. |
DOI: | 10.3290/j.ohpd.a34371 |
Appears in Collections: | Aurora harvest 3 Medicine publications |
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