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Clinical Oral Investigations

, Volume 21, Issue 3, pp 787–794 | Cite as

Histological and radiological evaluation of sintered and non-sintered deproteinized bovine bone substitute materials in sinus augmentation procedures. A prospective, randomized-controlled, clinical multicenter study

  • Tim Fienitz
  • Ofer Moses
  • Christoph Klemm
  • Arndt Happe
  • Daniel Ferrari
  • Matthias Kreppel
  • Zeev Ormianer
  • Moti Gal
  • Daniel RothamelEmail author
Original Article

Abstract

Objectives

The objective of this study is to histologically and radiologically compare a sintered and a non-sintered bovine bone substitute material in sinus augmentation procedures.

Materials and methods

Thirty-three patients were included in the clinically controlled randomized multicentre study resulting in a total of 44 treated sinuses. After lateral approach, sinuses were filled with either a sintered (SBM, Alpha Bio’s Graft®) or a non-sintered (NSBM, Bio Oss®) deproteinized bovine bone substitute material. The augmentation sites were radiologically assessed before and immediately after the augmentation procedure as well as prior to implant placement. Bone trephine biopsies for histological analysis were harvested 6 months after augmentation whilst preparing the osteotomies for implant placement.

Results

Healing was uneventful in all patients. After 6 months, radiological evaluation of 43 sinuses revealed a residual augmentation height of 94.65 % (±2.74) for SBM and 95.76 % (±2.15) for NSBM. One patient left the study for personal reasons. Histological analysis revealed a percentage of new bone of 29.71 % (±13.67) for SBM and 30.57 % (±16.07) for NSBM. Residual bone substitute material averaged at 40.68 % (±16.32) for SBM compared to 43.43 % (±19.07) for NSBM. All differences between the groups were not statistically significant (p > 0.05, Student’s t test).

Conclusion

Both xenogeneic bone substitute materials showed comparable results regarding new bone formation and radiological height changes in external sinus grafting procedures.

Clinical relevance

Both bone substitute materials allow for a predictable new bone formation following sinus augmentation procedures.

Keywords

Xenograft Augmentation Implantology Sinuslift Bone substitute Sintering 

Notes

Compliance with ethical standards

Funding

This study was supported by Alpha Bio, Petach Tikva, Israel.

Conflict of interest

Tim Fienitz, Christoph Klemm, Arndt Happe, Daniel Ferrari, Zeev Ormianer and Joachim E. Zoeller declare that they have no conflict of interest. Ofer Moses declares that he serves as an external consultant for Alpha Bio. Moti Gal declares that he was employed at Alpha Bio until June 2015. Daniel Rothamel declares that he has received speaker honorariums from Alpha Bio and is a consultant of Botiss Biomaterials, the manufacturer of the collagen membrane and one of the bone substitute materials that were investigated.

Ethical approval

All procedures performed in this study were in accordance with the 1964 Helsinki Declaration and its later amendments and the ethical standards of the institutional research committee of the University of Cologne and the local ethical committees of Duesseldorf and Muenster.

Informed consent

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

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Tim Fienitz
    • 1
  • Ofer Moses
    • 2
  • Christoph Klemm
    • 1
  • Arndt Happe
    • 3
  • Daniel Ferrari
    • 4
  • Matthias Kreppel
    • 1
  • Zeev Ormianer
    • 5
  • Moti Gal
    • 6
  • Daniel Rothamel
    • 1
    Email author
  1. 1.Department of Craniomaxillofacial and Plastic SurgeryUniversity Hospital of CologneCologneGermany
  2. 2.Department of Periodontology and Dental ImplantologyTel-Aviv UniversityTel AvivIsrael
  3. 3.Private PracticeMuensterGermany
  4. 4.Private PracticeDuesseldorfGermany
  5. 5.Department of Oral Rehabilitation, School of Dental MedicineTel Aviv UniversityTel AvivIsrael
  6. 6.Faculty of Life SciencesBar Ilan University Ramat GanRamat GanIsrael

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