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Home Relationship between mandibular second molar calcification stages and cervical vertebrae maturity in...

Relationship between mandibular second molar calcification stages and cervical vertebrae maturity in Italian children and young adults

Authors:

  • G. Cossellu
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy
  • R. Biagi
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy
  • L. Pisani
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy
  • V. Barbieri
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy
  • G. Farronato
    Fondazione IRCCS C Granda Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences, Unit of Orthodontics and Paediatric Dentistry, School of Dentistry, University of Milan, Milan, Italy

ABSTRACT


Aim

The aim of this study was to investigate the relationship between the stages of calcification of the mandibular second
molar and the stages of skeletal maturity among Italian children and young adults.

Methods

Cross-sectional
descriptive study. The samples were derived from panoramic radiographs and lateral cephalograms of 500 Italian subjects aged from 10
to 20 years. Dental maturity index (DM) was assessed by calcification stages of the mandibular second molars according to the
Demirjian method; skeletal maturity was evaluated with cervical vertebrae maturation index (CVM) according to Hassel and Farman.
The Pearson r coefficient and Spearman rank correlation coefficient were estimated to determine the relationship between DM and
CVM.

Results

Skeletal maturation stages occurred earlier in females (about 6 months). A highly significant correlation between
CVM and DM (0.78-0.86 cor according to Pearson test and 0.81-0.85 rho according to Spearman test) was found. DM stage E
corresponds to phase CVM 1 and 2 (the phase prior to the growth spurt), DM stage F corresponds to the phase of pubertal growth
spurt, stages CVM 2 and CVM 3; DM stage G is indicator of the growth spurt underway (CVM 3-4), but it can still be found during CVM
5 in females.

Conclusion

The second mandibular molars can be considered reliable indicators for the evaluation of the growth
phases. In case of females the end of the growth spurt it is not clearly associated with a dental maturity stage and needs to be stated
with further parameters such as CVM.

PLUMX METRICS

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Publication date:

Dec /2014

Keywords:

cervical vertebrae, children, mandibular second molar, skeletal maturity, young adults

Issue:

Vol.15 – n.4/2014

Page:

355 – 359

Publisher:

Ariesdue

Cite:


Harvard: G. Cossellu, R. Biagi, L. Pisani, V. Barbieri, G. Farronato (2014) "Relationship between mandibular second molar calcification stages and cervical vertebrae maturity in Italian children and young adults", European Journal of Paediatric Dentistry, 15(4), pp355-359. doi: https://www.ejpd.eu/pdf/EJPD_2014_4_3.pdf
Vancouver: G. Cossellu, R. Biagi, L. Pisani, V. Barbieri, G. Farronato. Relationship between mandibular second molar calcification stages and cervical vertebrae maturity in Italian children and young adults. European Journal of Paediatric Dentistry [Internet]. 2014Dec.1 [cited 2023Mar.21];15(4):355-359. Available from: https://www.ejpd.eu/abstract-pubmed/relationship-between-mandibular-second-molar-calcification-stages-and-cervical-vertebrae-maturity-in-italian-children-and-young-adults/
MLA: G. Cossellu, R. Biagi, L. Pisani, V. Barbieri, G. Farronato Relationship between mandibular second molar calcification stages and cervical vertebrae maturity in Italian children and young adults. European Journal of Paediatric Dentistry. 2014;15(4):355-359

Copyright (c) 2021 Ariesdue

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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