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Factors associated with the survival of primary maxillary anterior teeth after intrusive luxation: a retrospective longitudinal study

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Abstract

Purpose

To evaluate the survival rate of primary maxillary anterior teeth following intrusive luxation and identify associated factors.

Methods

A retrospective longitudinal study was conducted at a primary dental trauma centre using 88 dental records of children with intrusive luxation between 2007 and 2018. The variables of interest were time the tooth remained in the alveolus, degree of intrusion, accentuated overjet, lip protection, visible plaque, compromised germ of the permanent successor, clinical signs of infectious and inflammatory processes, endodontic treatment, pulp canal obliteration, sex, age at the time of trauma, family income, mother’s schooling, and immediate care. Descriptive, bivariate, and Cox regression analyses were performed (p < 0.05; 95% CI).

Results

The 88 dental records of children with intrusive luxation included 128 teeth. Survival rate throughout the follow-up period was 65.6% (n = 84). Age older than three years and eight months (HR 2.28; 95% CI 1.04–4.99; p = 0.039), the development of an infectious process (HR 3.51; 95% CI 1.39–8.86; p = 0.008), development of an inflammatory process (HR 2.35; 95% CI 1.17–4.71; p = 0.016) and compromised germ of the permanent successor (HR 4.38; 95% CI 1.99–9.61; p < 0.001) were associated with a lower survival rate of intruded primary maxillary anterior teeth.

Conclusion

The survival rate during the follow-up period of intruded primary maxillary anterior teeth was considered high. A significantly lower survival rate was associated with age, the occurrence of an infectious process and inflammatory process, and the compromised germ of the permanent successor.

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Acknowledgements

This study was financed in part by the Centro de Extensão da Faculdade de Odontologia da UFMG (CENEX/FO), the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Brazil (CAPES) – Finance Code 001, Fundação de Amparo à Pesquisa do Estado de Minas Gerais – Brazil (FAPEMIG) and Conselho Nacional de Desenvolvimento Científico e Tecnológico – Brazil (CNPq). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Author information

Authors and Affiliations

Authors

Contributions

JLL conceived the ideas, collected the data, analyzed and interpreted the data, and led the writing. MOG collected the data and led the writing. RGVA was responsible for the critical review and approval of the final version. JRJ analyzed and interpreted the data, and was responsible for the critical review and approval of the final version. FMF and PMPAZ conceived the ideas and was responsible for the critical review and approval of the final version.

Corresponding author

Correspondence to P. M. Zarzar.

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Conflicts of interest

The authors declare that they have no conflict of interest.

Ethics approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Consent to participate

All children older than 6 years old signed the term informed assent and their parents/guardians signed statements of informed consent.

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The authors transfer the copyrights of the manuscript to the European Archives of Paediatric Dentistry if the journal approves its publication.

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Lisboa, J.L., Guimarães, M.O., Vieira-Andrade, R.G. et al. Factors associated with the survival of primary maxillary anterior teeth after intrusive luxation: a retrospective longitudinal study. Eur Arch Paediatr Dent 24, 33–42 (2023). https://doi.org/10.1007/s40368-022-00752-4

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  • DOI: https://doi.org/10.1007/s40368-022-00752-4

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