Alveolar ridge dimensional changes after two socket sealing techniques. A pilot randomized clinical trial

Abstract

Objectives

This pilot study aimed to assess dimensional changes following two different alveolar socket sealing techniques.

Material and methods

Twenty-one patients requiring tooth extraction and implant placement were randomly allocated to two different alveolar ridge preservation techniques. In the control group, demineralized bovine bone mineral (DBBM) and a gingival soft tissue punch were used to fill and seal the socket, whereas in the test group, the extraction socket was filled with DBBM and sealed with a hemostatic gelatin sponge. Digitalized impressions were taken before and 6 months after tooth extraction. The comparison was made on horizontal and vertical dimensional changes.

Results

The mean vertical loss was 0.8 ± 0.6 mm for the control group and 0.7 ± 0.5 mm for the test one. No statistical difference was found between groups for the vertical shrinkage. The horizontal dimensional narrowing of the alveolar socket was respectively 7.1/4.0/2.5 mm at levels 1, 3, and 5 mm from a coronal reference level for the control group. The test group showed dimensional changes of 4.8/2.3/1.3 mm at the three different levels, respectively. A significant difference was found at levels 3 and 5 mm. Referring to a visual analog pain scale, patients reported more severe pain in the control group (5.7/10) when compared with the test group (2.8/10). The difference was statistically highly significant (P ≤ 0.001).

Conclusions

A significant difference was found between control and test groups regarding the horizontal dimensional changes and the post-operative pain.

Clinical relevance

Regarding this primary result, the socket sealing technique with a hemostatic sponge provides an effective and inexpensive protocol with less post-operative pain.

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Funding

The work was supported by the Department of Periodontology of Université catholique de Louvain, School of Dentistry, Cliniques Universities Saint-Luc, Brussels, Belgium.

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Correspondence to M. Debel.

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Conflict of interest

Maxim Debel declares that he has no conflict of interest. Selena Toma declares that she has no conflict of interest. Bart Vandenberghe declares that he has no conflict of interest. Michel Brecx declares that he has no conflict of interest. Jérôme Lasserre declares that he has no conflict of interest.

Ethical approval

This study followed the Helsinki Declaration and was registered with the local ethical committee of the Medical School of the Université catholique de Louvain, Brussels, Belgium (ref: 2015/16DEC/681).

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Debel, M., Toma, S., Vandenberghe, B. et al. Alveolar ridge dimensional changes after two socket sealing techniques. A pilot randomized clinical trial. Clin Oral Invest (2020). https://doi.org/10.1007/s00784-020-03428-9

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Keywords

  • Alveolar ridge preservation
  • Bone substitute
  • Extraction
  • Socket sealing
  • Soft tissue management