1. Department of Oral Surgery and Stomatology
2. School of Dental Medicine
3. University of Bern
4. 3010 Bern
5. Switzerland
6. Institute for Surgical Technology and Biomechanics
7. 3014 Bern
8. Topographic and Clinical Anatomy
9. 3000 Bern 9
10. Robert K. Schenk Laboratory of Oral Histology