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Split Crest Technique with Immediate Implant to Treat Horizontal Defects of the Alveolar Ridge: Analysis of Increased Thickness and Implant Survival

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Abstract

Objective

To assess bone thickness augmentation and implant survival in ridges with horizontal atrophy managed through split crest technique with concomitant installation of dental implants.

Materials and Methods

Thirteen patients with maxillary bone atrophy underwent surgery and had their bone thickness assessed through cone beam computed tomography 6 months pre- and postoperatively. Comparative measurements of initial and final bone height and thickness were taken using Dolphin Imaging® 11.5 software. The distance between the nasal fossa floor or the maxillary sinus and the alveolar crest determined the bone height, while the measurement of bone thickness took into account the distance between the vestibular cortical bone and the palatal cortical bone at the crest level, and at 5 mm and 10 mm from it.

Results

The bone height loss of 0.68 mm was statistically significant (p = 0.01). The average horizontal bone gain was 3.45 mm at ridge level, 3.03 mm at 5 mm from it and 2.42 mm at 10 mm from it. The mean horizontal gain for the three regions was 2.97 mm, and the values were statistically significant for all three regions assessed (p < 0.01). No complications were associated with the surgical procedures, and 23 implants were installed following the surgical expansion. No implants were lost (100% survival).

Conclusion

The split crest technique proved to be viable and predictable, enabling a significant increase in ridge thickness and a high percentage of implant survival.

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Funding

No funding received.

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Authors and Affiliations

  1. Department of Oral Diagnosis, Piracicaba Dental School, University of Campinas, Av. Limeira, 901, Areião, Piracicaba, São Paulo, 13414-903, Brazil

    Carolina Santos Ventura de Souza, Gabriel Albuquerque Guillen, Felipe Germóglio C. Macêdo & Claudio Ferreira Nóia

  2. Dentistry Department, College SOEP/FACSETE Dental School, Pôrto Velho, Brazil

    Bruno Costa Martins de Sá

  3. Department of Oral Diagnosis, Centro Universitário Euro-Americano, Brasília, Brazil

    Douglas Goulart

Authors
  1. Carolina Santos Ventura de Souza
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  2. Bruno Costa Martins de Sá
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  3. Douglas Goulart
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  4. Gabriel Albuquerque Guillen
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  5. Felipe Germóglio C. Macêdo
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  6. Claudio Ferreira Nóia
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Corresponding author

Correspondence to Claudio Ferreira Nóia.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical Approval

This study was approved by the research ethics committee of the Piracicaba School of Dentistry—Unicamp (Protocol Number is 93082218.1.0000.5418).

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de Souza, C.S.V., de Sá, B.C.M., Goulart, D. et al. Split Crest Technique with Immediate Implant to Treat Horizontal Defects of the Alveolar Ridge: Analysis of Increased Thickness and Implant Survival. J. Maxillofac. Oral Surg. 19, 498–505 (2020). https://doi.org/10.1007/s12663-020-01332-z

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  • DOI: https://doi.org/10.1007/s12663-020-01332-z

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