Document Classification

Section Type: RESULTS

Text: A significant lower mean deviation at the entry point (1. 4 mm, range : 0. 3-3. 7), at the apex (1. 6 mm, range : 0. 2-3. 7) and angular deviation (3. 0, range : 0. 2-16) was observed for the guiding systems when compared to mental navigation (2. 7 mm, range : 0. 3-8. 3 ; 2. 9 mm, range : 0. 5-7. 4 and 9. 9, range : 1. 5-27. 8) and to the surgical template group (3. 0 mm, range : 0. 6-6. 6 ; 3. 4 mm, range : 0. 3-7. 5 and 8. 4, range : 0. 6-21. 3).