Research Article

Logistic Regression Analysis of the Factors Involved in the Failure of Osseointegration and Survival of Dental Implants with an Internal Connection and Machined Collar: A 6-Year Retrospective Cohort Study

Figure 2

Design of the implants with a machined collar of 0.7 mm (a) and 1.5 (b) height.
(a)
(b)