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European Archives of Paediatric Dentistry

, Volume 15, Issue 2, pp 65–73 | Cite as

Efficacy of sealing the mesial surfaces of first permanent molars with respect to the status of the distal surfaces of the second primary molars in children at high caries-risk

  • S. S. GomezEmail author
  • C. -G. Emilson
  • G. C. Corvalan
  • M. D. Quiroz
  • M. P. H. Moran
Original Scientific Article

Abstract

Aim

This study aimed at evaluating the efficacy of sealants at preventing caries development or arresting the progression of non-cavitated mesial carious lesions in first permanent molars (6m) with respect to the status of the distal surfaces of the second primary molars (05d).

Method

The study population comprised 121, 8- to 10-year-old schoolchildren in a high-caries community in Valparaiso, Chile. They were examined clinically and radiographically and screened for caries-related risk factors using the risk-assessment software program Cariogram. The children were divided into three groups: Group A, with no caries lesions on adjacent surfaces of 05d–6m, served as a control group. Group B, with caries on 05d, received a preventive sealant on the caries-free 6m after temporary separation, and Group C, with carious 05d, received a therapeutic sealant on a 6m with initial lesions. Standardised follow-up radiographs were taken in 110 children after 12–14 months.

Results

In group A, with no treatment, the mean percentage of sound surfaces that developed caries lesions was 3.8 %. In group B, the mean percentage of sound 6m surfaces that developed caries lesions was 4.9 % for sealed and 22.0 % for unsealed surfaces (p < 0.05). In group C, the progression of therapeutically sealed carious lesions on 6m was 3.0 % compared with 41.2 % for unsealed carious control surfaces (p < 0.05).

Conclusions

These results suggest that sealing sound surfaces and non-cavitated caries in the proximal mesial surfaces of permanent molar teeth effectively prevents or reduces the progression of caries adjacent to lesions on the distal surfaces of the second primary molars.

Keywords

Approximal sealing Dental caries First permanent molars Risk assessment 

Notes

Acknowledgments

This study was supported by a grant from the University of Valparaiso, Chile (Project DIPUV 30/2007). The chair-side salivary sampling kits were kindly supplied by Orion Diagnostica. The authors would like to express their gratitude to the Central Odontologica de la Primera Zona Naval, Chilean Navy as well as the Centro de Referencia Odontopediatrica Simon Bolivar de Viña del Mar for their clinical assistance.

Conflict of interest

The authors declare no conflict of interest.

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Copyright information

© European Academy of Paediatric Dentistry 2013

Authors and Affiliations

  • S. S. Gomez
    • 1
    Email author
  • C. -G. Emilson
    • 2
  • G. C. Corvalan
    • 1
  • M. D. Quiroz
    • 1
  • M. P. H. Moran
    • 1
  1. 1.Department of Preventive Dentistry, Facultad de OdontologíaUniversidad de ValparaísoValparaisoChile
  2. 2.Department of Cariology, Institute of OdontologySahlgrenska Academy at the University of GothenburgGöteborgSweden

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