Validation of the oral health impact profile (OHIP-20sp) for Spanish edentulous patients

Javier Montero Martín; Carla Macedo de Paula; Antonio López-Valverde Centeno; Manuel Bravo Pérez

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Validation of the oral health impact profile (OHIP-20sp) for Spanish edentulous patients

Javier Montero ^[1] ; Carla Macedo ^[1] ; Antonio López-Valverde ^[1] ; Manuel Bravo ^[2]
1. [1] Universidad de Salamanca
  
  Universidad de Salamanca
  
  Salamanca, España
2. [2] Universidad de Granada
  
  Universidad de Granada
  
  Granada, España
Localización: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, ISSN-e 1698-6946, Vol. 17, Nº. 3 (Mayo), 2012
Idioma: inglés
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Resumen
- Objectives: The purposes of this study are to validate the indicator of Oral Health Impact Profile for edentulous patients (OHIP-20sp) in the Spanish population and to analyze the factorial construct of the prosthetic well-being.
  
  Study Design: A total of twenty-one (n=21) edentulous patients wearing mandibular implant-over dentures on Locator® (LO) and twenty (n=20) with complete dentures (CD) were retrospectively evaluated in this study. All participants were recruited consecutively and were treated in the previous academic year 2009-2010 by professors of the University of Salamanca. Reliability analyses and validity tests were performed in order to evaluate the psychometric properties of OHIP-20sp employing two different total score methods (additional and simple count). A retrospective evaluation of the impact of the prosthetic treatment was captured with an evaluative instrument derived from OHIP-20, and named POST-OHIP-13.
  
  Results: The reliability coefficient (Cronbach’s alpha = 0.91) has shown a high internal consistency. Item-total correlations coefficients ranged from 0.46 and 0.81. Five factors, named as disability, functional comfort, psychosocial impact, pain-discomfort and functional limitations were identified as principal components of the construct, explaining almost 85% of the variance. The 48% of the sample felt at least one impact in an occasional or more frequently manner (generally food packing). The global transition judgment of the prosthetic treatment using the POST-OHIP-13 was significantly higher in group LO than in the CD group.
  
  Conclusions: OHIP-20 seems to be a reliable and valid indicator to measure oral impact and satisfaction in the Spanish edentulous population. The underlying construct is comprised by 5 factors named as disability, functional comfort, psychosocial impact, pain-discomfort and functional limitations.