8th Diakonessenhuis Mastoid Obliteration Live Surgery

November 05, 2021

Dr. Pepijn Borggreven, Dr. David Colnot, Dr. Rick van de Langenberg and Dr. Jasper Quak warmly welcome you to join us on November 05, 2021 in Utrecht (the Netherlands) for the 8th Diakonessenhuis Mastoid Obliteration Live Surgery Course.

This international event intended for professionals in the field of otology will give you the unique opportunity to gain more insight in mastoid reconstruction, the use the BonAlive® technology and to its position in your patients’ surgical treatment plan.

In the morning of this one day course, one live surgery is planned. The surgeries will be broadcasted from the OR to the auditorium. Because the live surgery is interactive, the morning will have a dynamic character.

The afternoon will be dominated by presentations about an overview of mastoid obliteration techniques, pitfalls and challenges, and our own experiences in mastoid obliterations and the use of the BonAlive® technology. Naturally, there is plenty of room for discussion.


  • Dr. Pepijn Borggreven,
  • Dr. David Colnot,
  • Dr. Rick van de Langenberg
  • Dr. Jasper Quak


  • On Thursday evening and Friday November 04-05, 2021


  • Auditorium, Diakonessenhuis Utrecht (Address: Bosboomstraat 1, Utrecht, The Netherlands)


  • English


  • Course materials, coffee, tea and lunch


November 4th, 2021

19.00 - 22.00 Dinner (pre-registration required)


November 5th, 2021

Moderator: Dr. Pepijn Borggreven

08.30 Registration (onsite participants)


09.00 - 14.00 Live surgery/surgeries: Cholesteatoma surgery with mastoid obliteration

During the live surgery following presentions:


Why obliterate? Dr. Rick van de Langeberg

Is there a reason not to obliterate in mastoid surgery in the era of bioactive glass? Dr. Jasper Quak

Bonalive® granules - a smart technology to improve the quality of life for your mastoidectomy patient. Tanja Wigell, Bonalive Biomaterials

Lunch break


International guest speaker (to be announced)

BonAlive obliteration in CWU and CWD: are there any differences? Dr. David Colnot

Starting with Bonalive​. Dr. Pepijn Borggreven

Practical workshop demonstrating the obliteration and handling of S53P4 bioactive glas granules with mastoid demo models

Mastoid Obliteration Quiz

Latest 16.00 Closing remarks, farewell


Please note that changes to the agenda might appear. The course will, in any case, end at 16.00.



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