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This is the corrected version of the article originally published in Medicinski pregled/Medical Review, 2026;79(3-6):143-146, republished in full to correct errors in the original. The authors and editors apologise for any inconvenience caused.
Čomić N, Puškar N, Radumilo D, Ivić S. The state of dental arch supporting zones in children in Vojvodina. Med Pregl. 2026;79(3-6):143-6.
Abstract
Introduction. The supporting zone is an orthodontic term that defines the space from the distoproximal surface of the lateral permanent incisor to the mesial surface of the first permanent molar. During the period of deciduous and mixed dentition, this space consists of the deciduous canine, first and second deciduous molars, and primate diastemas, which are later replaced by the permanent canine and first and second premolars. The aim of this study was to determine the space available within the supporting zones to accommodate the permanent successor teeth in children from Vojvodina aged 9-11 years, and to assess whether the conditions for the second phase of tooth replacement were present.
Material and Methods. Study models from patients of the Department of Orthodontics, Clinic of Dental Medicine of Vojvodina, were used. A total of 42 models from patients aged 9-11 years, with equal representation of both sexes, were analysed. Using OnyxCephTM software and the Moyers analysis, the required space within the supporting zones, the available space, and any differences between these values were calculated. The resulting values were compared according to sex, age and jaw quadrant. Results. The supporting zone showed sufficient space in 64.3% of cases in the maxilla, and in 54.8% in the mandible. In the remaining 35.7% of maxillary cases and 45.2% of mandibular cases, insufficient space was observed. No statistically significant difference (at the 0.05 level) was found according to sex, age or side of the jaw, whereas a significant difference was found between the maxilla and the mandible.
Conclusion. The condition of the supporting zones in children in Vojvodina is satisfactory, as are the level and trend of continuous dental care.