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Clinical Oral Investigations
Published in: Clinical Oral Investigations 1/2024

Open Access 01-01-2024 | Research

Dental and periodontal dimensions stability after esthetic clinical crown lengthening surgery: a 12‐month clinical study

Authors: Valéria Martins de Araújo Carneiro, Andressa Meireles Seabra Gomes, Mônica Umpierre Marinho, Gabriel Simino de Melo, Feras Kasabji, Tien-Li An, Cristine Miron Stefani, Maria do Carmo Machado Guimarães, Carlos Alexandre Soares Andrade

Published in: Clinical Oral Investigations | Issue 1/2024

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Abstract

Objectives

To evaluate the stability of periodontal tissues 3 (T3), 6 (T6), and 12 (T12) months after esthetic crown lengthening (ACL) and the possible correlations between changes in those structures.

Materials and methods

Twenty individuals were evaluated through clinical assessment, photography, and tomography. Measurements included gingival margin (GM), clinical crown length (CCL), interdental papilla height (PH) and width (PW), gingival thickness (GT), bone thickness (BT), probing depth (PD), distance between alveolar crest and GM, distance between alveolar crest and cementoenamel junction. Nonparametric and correlation statistics were performed (p < 0.05).

Results

CCL at T0 was 7.42 ± 0.70 mm and increased to 9.48 ± 0.49 mm immediately after ACL, but it decreased to 8.93 ± 0.65 mm at T12. PD decreased 0.60 mm from T0 to T6, and it increased 0.39 mm from T6 to T12. BT decreased 0.20 mm, while GT increased 0.29 mm from T0 to T12. Both PW and PH showed enlargement in T12. A positive moderate correlation was found between CCL/T0 and CCL/T12, GT/T0 and AC-GM/T12, BT/T0 and GT/T12. A few negative moderate correlations were PD/T0 and CCL/T12, PD/T0 and PH/T0, PD/T0 and BT/T12.

Conclusions

ACL procedure was effective. Although some rebound occurred, that was not clinically important. PD tended to reestablish its original length, partially due to a migration of GM during the healing period. Besides, a thickening of supracrestal soft tissues was observed.

Clinical relevance

The present study centers on the factors influencing the stability of periodontal tissues after esthetic crown lengthening, underscoring the procedure’s influence on esthetics and biology and the need for careful treatment planning.
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Metadata
Title
Dental and periodontal dimensions stability after esthetic clinical crown lengthening surgery: a 12‐month clinical study
Authors
Valéria Martins de Araújo Carneiro
Andressa Meireles Seabra Gomes
Mônica Umpierre Marinho
Gabriel Simino de Melo
Feras Kasabji
Tien-Li An
Cristine Miron Stefani
Maria do Carmo Machado Guimarães
Carlos Alexandre Soares Andrade
Publication date
01-01-2024
Publisher
Springer Berlin Heidelberg
Published in
Clinical Oral Investigations / Issue 1/2024
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI
https://doi.org/10.1007/s00784-023-05458-5

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