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Success Rate Of All On 4 Dental Implants

The success and longevity of All on 4 dental implants is constantly questioned as it “seems” to be a newly developed technique. However, this is a common myth. Indeed, All on 4 concept was developed, institutionalized and systematically analyzed in the 1990s through studies funded by Nobel Biocare in collaboration with a Portuguese dentist Paulo Maló. His longitudinal study published on The Journal of the American Dental Association on March 2011, which included 245 patients show that prostheses’ survival rate was 99.2 percent with up to 10 years of follow up.

posterior implant placement

Figure 1. Intraoral photograph of a patient’s posterior implant placement with a 30º inclination

all on 4 ceramic prosthesis

Figure 2. Intraoral photograph representative of the patient depicted in Figure 1, whose edentulous mandible was treated with the All-on-4 concept with five years of follow-up.

Extraoral photograph of the same patient

Figure 3. Extraoral photograph of the same patient depicted in Figures 1 and 2, in maximum smile.

Figure 4. Orthopantomographic scan of the patient depicted in Figures 1 through 3, who was treated by means of the All-on-4 concept in the edentulous mandible and underwent five years of follow-up.

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