Fig. 2From: Subsidence following cervical discectomy and implant-to-bone ratioComparison of the implant/bone surface ratio on the basis of two disc spaces. A) Patient No. 4, space No. 7, bone surface area of 4.62 cm2, implant surface area of 1.61 cm2, implant/bone ratio of 0.34. B) Patient No. 14, space No. 23, bone surface area of 3.68 cm2, implant surface area of 1.61 cm.2, implant/bone ratio of 0.43Back to article page