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Spontaneous eruption of impacted maxillary incisors after surgical extraction of supernumerary teeth: a systematic review and meta-analysis

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Abstract

Objectives

To evaluate the spontaneous eruption potential of impacted human permanent teeth localized in the anterior part of the maxilla, after the surgical extraction of obstacles in their eruption pathway, by means of a systematic review and meta-analysis.

Materials and methods

A systematic literature search was carried out to locate studies reporting on the percentage of anterior permanent teeth erupting after surgical removal of the obstacle, without other interventions. Eruption potential of impacted teeth was calculated using a random-effects meta-analysis. Information about the sex proportion, follow-up duration, age and years during which the study was carried out was used for subgroup analyses.

Results

A total of twelve studies were included, with a total sample size of 960 cases and a follow-up period of up to 36 months. The results show that more than 65.5% of impacted teeth erupt spontaneously following surgical extraction of the obstacle, with an odds ratio of 4 (95% CI 1.9, 8.2) (p < 0.001) favouring spontaneous eruption.

Conclusions

When faced with an impacted maxillary anterior tooth, surgical extraction of the obstacle can lead to spontaneous eruption of the impacted tooth in the majority of cases, with better success with a longer follow-up for up to 3 years.

Clinical relevance

Based on the present meta-analysis, clinical recommendation would be to surgically remove the obstacle impeding the eruption of a maxillary anterior permanent tooth and wait for the eruption of the tooth for a period of 12–36 months, depending on the age of the patient.

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Authors and Affiliations

  1. Department of Orthodontics, University Clinics of Dental Medicine, Faculty of Medicine, University of Geneva, 1 rue Michel-Servet, 1205, Geneva, Switzerland

    Raji Pescia, Stavros Kiliaridis & Gregory S. Antonarakis

Authors
  1. Raji Pescia
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  2. Stavros Kiliaridis
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  3. Gregory S. Antonarakis
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Correspondence to Raji Pescia.

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Raji Pescia declares that he has no conflict of interest. Stavros Kiliaridis declares that he has no conflict of interest. Gregory S. Antonarakis declares that he has no conflict of interest.

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This article does not contain any studies with human participants or animals performed by any of the authors.

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Pescia, R., Kiliaridis, S. & Antonarakis, G.S. Spontaneous eruption of impacted maxillary incisors after surgical extraction of supernumerary teeth: a systematic review and meta-analysis. Clin Oral Invest 24, 3749–3759 (2020). https://doi.org/10.1007/s00784-020-03369-3

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  • DOI: https://doi.org/10.1007/s00784-020-03369-3

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