Interview with Dr. Bahat

“To introduce a new system, it has to be challenged” 
Dr. Oded Bahat on OsseoShaper™ study

Dr. Oded Bahat is an oral surgeon and periodontist with primary practice in Beverly Hills, California. His clinical expertise contributed to continuous improvements during the development of the Nobel Biocare N1™ implant system.

A key component of this innovative system is the OsseoShaper – the site preparation instrument that forms the osteotomy at low rotational speed to preserve biological structures. In addition, this technique simplifies site preparation by requiring, in most cases, just two drilling steps.

Dr. Bahat co-authored a study assessing the efficiency, ease-of-use, and general performance of the OsseoShaper instrument.1 In this interview, he explains more about the research, and what it confirms about the benefits of OsseoShaper.

 

Study summary: An Osteotomy Tool That Preserves Bone Viability: Evaluation in Preclinical and Clinical Settings

Study Design

1. Clinical – Retrospective clinical case series: 15 implants placed in 7 patients with challenging bone conditions. Delayed loading.

2. Preclinical – Histomorphometric analyses of 36 rodents

 

Implant insertion torque

Clinical results

− 14 of the 15 (93.3%) osteotomies were prepared in only two drilling steps. 

− All implants accurately followed the osteotomies.

− Predictable mean final implant insertion torque of 46.9 ± 10.3 Ncm, despite poor bone quality and quantity at all sites.

Pre-clinical results

− Less bone damage and cell death compared to conventional protocol.

− Osteoconductive bone coagulum retained in OsseoShaper osteotomy.

Clinical relevance:

OsseoShaper preserves the vital bone and reduces cell damage, demonstrated to promote osseointegration.

Simplified osteotomy protocol with most implants replaced after only two drilling steps.

Successful implant placement with predictable insertion torque even in sites with poor bone quality and quantity.

Osteotomy bone coagulum

Bone coagulum visibly retained in osteotomy with OsseoShaper (a). Conventional osteotomy is devoid of cells (b).

Authors’ Conclusion

“This innovation in implant site preparation preserves vital anatomical and cellular structures while simplifying surgical protocols.”

Dr. Oded Bahat
Dr. Oded Bahat, USA

Sample clinical case from the study

A 38-year-old female patient required rehabilitation of a missing maxillary central incisor.

Images courtesy of Dr. Oded Bahat, USA.

Case courtesy of Dr. Bahat

Intraoral exam and CBCT showed a pronounced buccal concavity.

Case courtesy of Dr. Bahat

Intraoral exam and CBCT showed a pronounced buccal concavity and soft bone.

Case courtesy of Dr. Bahat

The osteotomy was created with the OsseoDirector.

Case courtesy of Dr. Bahat

The osteotomy was created with the OsseoDirector followed by OsseoShaper at low speed (50 rpm) and without irrigation.

Case courtesy of Dr. Bahat

Note the bone chips within the OsseoShaper threads upon its withdrawal from the osteotomy.

Case courtesy of Dr. Bahat

Nobel Biocare N1 concept implant was placed with the final insertion torque of 45 Ncm.

Case courtesy of Dr. Bahat

Nobel Biocare N1 concept implant was placed with the final insertion torque of 45 Ncm.

Case courtesy of Dr. Bahat

Clinical view at 3 years.

References

  1. An Osteotomy Tool That Preserves Bone Viability: Evaluation in Preclinical and Clinical Settings. Bahat O, Yin X, Holst S, Zabalegui I, Berroeta E, Pérez J, Wöhrle P, Sörgel N, Brunski J, Helms JA. Journal of Clinical Medicine. 2022;11(9):2536.
    Read on PubMed