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Does a mandibular RDP and new maxillary CD improve masticatory efficiency and quality of life in patients with a mandibular Kennedy class I arch?

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Abstract

Objectives

To evaluate the change in masticatory efficiency and quality of life of patients treated with mandibular Kennedy class I removable partial dentures (RPDs) and maxillary complete dentures at the Department of Dentistry of the Federal University of Rio Grande do Norte.

Materials and methods

A total of 33 Kennedy class I patients were rehabilitated with maxillary complete dentures, and mandibular RPDs were selected for this non-randomized prospective intervention study. The patients had a mean age of 59.1 years. Masticatory efficiency was evaluated by colorimetric assay using fuchsin capsules. The measurements were conducted at baseline and 2 and 6 months after prosthesis insertion. Quality of life was evaluated using the Oral Health Impact Profile (OHIP-14) at baseline and 6 months after denture insertion. The Kolmogorov-Smirnov normality test was applied. Masticatory efficiency was evaluated by repeated measures ANOVA. Oral health-related quality of life was compared using the paired t test.

Results

There was no statistically significant difference in masticatory efficiency after denture insertion (p = 0.101). Significant differences were found (p = 0.010) for oral health-related quality of life. A significant improvement in psychological discomfort (p < 0.01) and psychological disability (p < 0.01) was observed. Mean difference value (95 % confidence interval) was 6.8 (3.8 to 9.7) points, reflecting a low impact of oral health on quality of life, considering the 0–56 range of variation of the OHIP-14 and a Cohen’s d of 1.13.

Conclusion

According to the results of the present study, rehabilitation with Kennedy class I RPDs and complete dentures did not influence masticatory efficiency but improved oral health-related quality of life.

Clinical relevance

The association between the patient’s quality of life and the masticatory efficiency is important for treatment predictability.

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Compliance with ethical standards

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Ethical standards

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

Conflict of interest

The authors declare that no conflicts of interest exist with regard to the present study.

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Authors and Affiliations

  1. Department of Dental Materials and Prosthodontics, Oral Rehabilitation Program—Araraquara School of Dentistry UNESP—Univ. Estadual Paulista, Centro, 14801903, Araraquara, SP, Brazil

    Kássia De Carvalho Dias

  2. Center of Health Science, Department of Dentistry, Federal University of Rio Grande do Norte, Avenida Salgado Filho, 1787, Lagoa Nova, 59056-000, Natal, RN, Brazil

    Adriana Da Fonte Porto Carreiro

  3. Center of Health Science, Federal University of Rio Grande do Norte, Avenida Senador Salgado Filho, 1787, Lagoa Nova, 59056-000, Natal, RN, Brazil

    Camila Maria Bastos Machado Resende & Ana Clara Soares Paiva Tôrres

  4. Department of Pediatric Clinic and Preventive and Sanitary Dentistry, University of São Paulo, Dental School of Ribeirão Preto, Avenida do Café s/no, Monte Alegre, 14040-904, Ribeirão Preto, SP, Brazil

    Wilson Mestriner Júnior

  5. Department of Dental Materials and Prosthodontics, UNESP—Univ. Estadual Paulista, Centro, 14801903, Araraquara, SP, Brazil

    Kássia De Carvalho Dias

Authors
  1. Kássia De Carvalho Dias
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  2. Adriana Da Fonte Porto Carreiro
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  3. Camila Maria Bastos Machado Resende
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  4. Ana Clara Soares Paiva Tôrres
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Correspondence to Kássia De Carvalho Dias.

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De Carvalho Dias, K., Da Fonte Porto Carreiro, A., Bastos Machado Resende, C.M. et al. Does a mandibular RDP and new maxillary CD improve masticatory efficiency and quality of life in patients with a mandibular Kennedy class I arch?. Clin Oral Invest 20, 951–957 (2016). https://doi.org/10.1007/s00784-015-1596-z

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  • DOI: https://doi.org/10.1007/s00784-015-1596-z

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