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Scripta Scientifica Medicinae Dentalis

Bone Block Augmentation - A Long Term Follow-Up

Stefan Peev, Elitsa Sabeva

Abstract

The autogenous bone block grafting is used for both vertical and horizontal augmentation of upper and lower jaw. The bone block could be provided using extraoral or intraoral donor location. The aim of this study was to observe the survival rate, the marginal bone level and the bleeding on probing (BOP) for a period of 4 to 6 years of implants, inserted in autogenous bone block graft.

  We considered advanced horizontal bone loss, where guided bone regeneration with simultaneous implant placement couldn’t be performed and/or vertical bone loss, where vertical augmentation of the alveolar  bone  more than 3 to 6 mm is required,  as indication for the bone block grafting procedure. As an intraoral donor site was used the mental area.

   The mean observation period was 4.81 years. The mean marginal bone loss was 0,442 mm, as bone resorption was established at 48% of all cases, BOP was observed at 17,7 % of the cases. No correlation was found between bleeding on probing and the bone loss. The survival rate of the implants placed into bone augmented using autogenous bone block graft was 98,7 %.

   For an implant placement we considered a period of 4 months after the procedure enough  to provide high survival rate of the implants. The implants placed in bone augmented using autogenous bone block grafting according to our methodology demonstrated high survival rate and unstable marginal bone level.


Keywords

bone block graft, implant placement

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DOI: http://dx.doi.org/10.14748/ssmd.v4i2.5652

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About The Authors

Stefan Peev
Medical University of Varna, Faculty of Dental Medicine
Bulgaria

Department of Periodontology and Dental Implantology, Professor

Elitsa Sabeva
Medical University of Varna, Faculty of Dental Medicine
Bulgaria

Department of Periodontology and Dental Implantology

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