Overdentures Retained by Immediately-Loaded Implants: Minis vs Standard?

The subject of mini implants always brings on a heated debate, which is why objective clinical studies are essential. A recent study 1 evaluated immediately loaded mini dental implants (MDIs) and immediately loaded standard-sized tissue-level (STL) implants in a group of 50 patients. The implants were placed in the interforaminal region of the mandible and used to retain mandibular overdentures.

The results:

A mean marginal bone loss (MBL) of 0.42 ± 0.56 mm for the MDIs and 0.54 ± 0.49 mm for the immediately loaded STL implants was recorded at the end of the evaluation period. There was no statistically significant difference between the MDIs and the immediately loaded STL implants. Two MDIs failed, resulting in a survival rate of 98%. The success rate was 91%. For the immediately loaded conventional implants, the survival rate was 100% and the success rate 96.7% after 1 year of function…Considering the limitations of this short-term clinical study, immediate loading of four unsplinted MDIs or two splinted STL implants to retain mandibular overdentures seems to be a feasible treatment option. The marginal bone level changes around the MDIs were well within the clinically acceptable range. 1 Read More


1.Implant Mandibular Overdentures Retained by Immediately Loaded Implants: A 1-Year Randomized Trial Comparing the Clinical and Radiographic Outcomes Between Mini Dental Implants and Standard-Sized Implants. Int J Oral Maxillofac Implants. 2017 Nov/Dec;32(6):1377-1388. Zygogiannis K, et al.



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