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Papagianni CE, van der Meulen MJ et al. J Oral Rehabil 2013; 40: 185–190

Oral health-related quality of life (OHIP-NL) was measured in patients with 1) tooth wear, 2) those wearing complete dentures, 3) those with painful TMD, and 4) control subjects. The investigators concede that there were significant differences in age ('the impact of oral health problems reduces with increasing age') and gender between these subject groups. In addition, those with tooth wear were seeking treatment and therefore the impact of this condition could be greater than others not requesting care. Notwithstanding these study limitations, the investigators report that painful TMD had a greater impact on quality of life than either tooth wear or being edentulous (p <0.05). This was not unexpected as OHIP includes domains for psychological discomfort and social disability.