Morse taper connection implants supporting “planned” maxillary and mandibular bar-retained overdentures: a 5-year prospective multicenter study
Carlo Mangano,
Francesco Mangano, Jamil Awad Shibli,
Massimiliano Ricci,
Rachel Lilian Sammons,
Michele Figliuzzi,
Carlo Mangano
Dental School, University of Varese, Varese, Italy
Search for more papers by this authorJamil Awad Shibli
Dental School, University of Guarulhos, Sao Paulo, Brazil
Search for more papers by this authorMassimiliano Ricci
Dental School, University of Genova, Genova, Italy
Search for more papers by this authorRachel Lilian Sammons
Dental School, University of Birmingham, Birmingham, UK
Search for more papers by this authorMichele Figliuzzi
Dental School, University of Catanzaro, Catanzaro, Italy
Search for more papers by this authorCarlo Mangano,
Francesco Mangano, Jamil Awad Shibli,
Massimiliano Ricci,
Rachel Lilian Sammons,
Michele Figliuzzi,
Carlo Mangano
Dental School, University of Varese, Varese, Italy
Search for more papers by this authorJamil Awad Shibli
Dental School, University of Guarulhos, Sao Paulo, Brazil
Search for more papers by this authorMassimiliano Ricci
Dental School, University of Genova, Genova, Italy
Search for more papers by this authorRachel Lilian Sammons
Dental School, University of Birmingham, Birmingham, UK
Search for more papers by this authorMichele Figliuzzi
Dental School, University of Catanzaro, Catanzaro, Italy
Search for more papers by this authorCorresponding author:Prof. Carlo ManganoPiazza Trento 422015 GravedonaComoItalyTel.: +39 0344 85524Fax: +39 0344 85524e-mail: [email protected]
Abstract
Objectives: In contrast to the excellent long-term outcomes described for implant-supported mandibular overdentures, less favorable long-term survival and success rates have been reported for maxillary implants supporting overdentures. The aim of this study was to evaluate the treatment outcome of “planned” bar-retained maxillary and mandibular overdentures supported by Morse taper connection implants, investigating implant survival, peri-implant tissue health, marginal bone resorption and prosthetic complications.
Material and methods: Over a 2-year period, 60 patients were enrolled in this study, in four different clinical centers. The overdentures (maxilla 38, mandible 34) were planned with support from four implants anchored on a bar. A total of 288 Morse taper connection implants (Leone Implant System®) were inserted (152 maxilla, 136 mandible). Implants were evaluated 5 years after insertion. Success criteria included the absence of pain, suppuration or clinical mobility, the distance between implant shoulder and first crestal bone–implant contact (DIB) <2 mm and no exudate history.
Results: The overall 5-year implant survival rate was 98% (maxilla 97.4%, mandible 98.6%), with 282 implants still in function. Among these surviving implants, 278 (98.6%) were classified in the success group. At the 5-year examination, the mean DIB was 0.7 mm (±0.53). Few prosthetic complications were reported.
Conclusions: With “planned” bar-retained maxillary and mandibular overdentures supported by Morse taper connection implants, satisfactory survival and success rate can be achieved.
To cite this article: Mangano C, Mangano F, Shibli JA, Ricci M, Sammons R, Figliuzzi M. Morse taper connection implants supporting “planned” maxillary and mandibular bar-retained overdentures: a 5-year prospective multicenter study.Clin. Oral Impl. Res.22, 2011; 1117–1124doi: 10.1111/j.1600-0501.2010.02079.x
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