Abstract：
OBJECTIVES:1. - To measure the alveolar resorption processes that occur in patients wearing mandibular overdentures on 2 implants and fully-removable maxillary dentures, and to evaluate the same process on patients wearing fully-removable dentures on both arches. 2.- To verify whether Kelly's Combination Syndrome occurs in the group of patients wearing overdentures. METHOD AND MATERIAL:Forty patients were evaluated, of which a "cases" group was formed by 25 patients wearing mandibular overdentures on 2 lower jaw implants and fully-removable dentures on the opposite arch. The other 15 patients formed a control group that wore fully-removable dentures on both arches. Each one of the patients underwent orthopantograms from the moment the dentures were inserted until an average of 6 years later, which were assessed based on the Xie et al. method to estimate vertical bone loss. Once the data was collected, it was subjected to statistical analysis. RESULTS:In terms of the maxillary midline, we observed a greater loss in patients wearing overdentures, which was statistically significant, as it registered 0.32 mm/year. Mandibular bone loss was 2.5 times less in patients in the cases group. The rest of the clinical criteria for Kelly's Combination Syndrome were not observed. CONCLUSIONS:Kelly's Combination Syndrome did not occur in the patients in the cases group. In spite of the greater bone loss on a premaxillary level in this group, the placing of the overdenture on the implants significantly reduced mandibular bone resorption.
journal_name
Med Oral Patol Oral Cir Bucaljournal_title
Medicina oral, patologia oral y cirugia bucalauthors
López-Roldán A,Abad DS,Bertomeu IG,Castillo EG,Otaolaurruch ESsubject
Has Abstractpub_date
2009-04-01 00:00:00pages
E203-9issue
4eissn
1698-4447issn
1698-6946pii
5123658919journal_volume
14pub_type
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