Five-year results with fixed complete-arch mandibular prostheses supported by 4 implants

Eliasson, Alf,1957-Department of Prosthetic Dentistry, Postgraduate Dental Education Center, Örebro, Sweden (författare)

This study examined whether it is possible to restore an edentulous mandible with a complete-arch fixed prosthesis retained by only 4 implants without decreasing the survival rate. One hundred nineteen patients received complete-arch mandibular prostheses retained by 4 implants. Most patients were followed for 3 years or more. All patients followed a routine protocol, including annual check-ups and regular radiographic examinations. Twenty-one patients dropped out. Radiographic measurements used the threads of the implants as a basis for comparison. No indication was found that the number of supporting implants could have influenced the observed frequency of technical and surgical complications. Three implants were lost, 2 after 1 year and 1 after 5 years. A statistically significant difference in bone loss between the mesial and distal implants was found. The number of fractured resin teeth in mandibular prostheses was higher when patients had an implant-supported prosthesis in the maxilla. The present study revealed an implant survival rate of 98.6% after 5 years. Therefore, it was concluded that there may not be a need for more than 4 implants to support a fixed mandibular prosthesis, when implants at least 10 mm long can be used.

Palmqvist, SigvardDepartment of Prosthetic Dentistry, Postgraduate Dental Education Center, Örebro, Sweden; Department of Prosthetic Dentistry, School of Dentistry, University of Copenhagen, Copenhagen, Denmark (författare)
Svensson, BjörnDepartment of Oral Radiology, Inst. for Postgrad. Dental Education, Jönköping, Sweden (författare)
Sondell, KatarinaDepartment of Prosthetic Dentistry, Postgraduate Dental Education Center, Örebro, Sweden (författare)
Department of Prosthetic Dentistry, Postgraduate Dental Education Center, Örebro, SwedenDepartment of Prosthetic Dentistry, Postgraduate Dental Education Center, Örebro, Sweden; Department of Prosthetic Dentistry, School of Dentistry, University of Copenhagen, Copenhagen, Denmark (creator_code:org_t)

Ingår i:International Journal of Oral & Maxillofacial Implants: Quintessence Publishing15:4, s. 505-5100882-27861942-4434

Av författaren/redakt...: Eliasson, Alf, 1 ...; Palmqvist, Sigva ...; Svensson, Björn; Sondell, Katarin ...

Om ämnet

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Odontologi

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