Epidemiological data and survival rate of removable partial dentures

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Moreno, Amália
Haddad, Marcela Filié
Goiato, Marcelo Coelho [UNESP]
Rocha, Eduardo Passos [UNESP]
Assunção, Wirley Gonçalves [UNESP]
Filho, Humberto Gennari [UNESP]
dos Santos, Emerson Gomes
Sonego, Mariana Vilela [UNESP]
Dos Santos, Daniela Micheline [UNESP]
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Introduction: The use of removable partial denture (RPD) is considered as low-cost and common treatment option to rehabilitate edentulous areas. Aim: This study aimed to investigate the epidemiological data of patients rehabilitated with removable partial denture (RPD) in order to assess treatment survival rate and failures. Materials and Methods: Epidemiological data and medical records of patients treated with RPD between 2007 and 2012 at the RPD discipline of a Brazilian University (Aracatuba Dental School- UNESP) were evaluated as well as dental records of patients who underwent RPD treatments (fabrication or repairs) between 2000 and 2010. Factors such as gender, age, presence of systemic disease, main complaint, edentulous arch, period and cause of denture replacement and the prosthesis characteristics were recorded. The chi-square test was used to assess the differences between the variables and the Kaplan Meyer to assess the survival of the RPDs evaluated. Results: A total of 324 maxillary RPD and 432 mandibular RPD were fabricated. Most of the patients were women aging 41 to 60-year-old. The number of mandibular RPD Kennedy class I (26%) was statistically higher for the maxillary arch (p<.05). There was no association between main complaint to gender or the presence of systemic disease. The lingual plate was the most common major connector used in the mandible (32%). The main reason for altering the design of replaced RPDs were changes during treatment plan. Conclusion: The number of patients who require RPD is large; most of RPDs are Kennedy Class I. A good treatment plan is very important for achieving a positive treatment outcome, and it is strictly related to the survival rate.
Dental prostheses, Kennedy classification, Survival rate
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Journal of Clinical and Diagnostic Research, v. 10, n. 5, p. ZC84-ZC87, 2016.