BACKGROUND
The Oral Impacts on Daily Performances1 (OIDP) aims to provide
an alternative sociodental indicator which focuses on measuring
the serious oral impacts on the person's ability to perform daily
activities. The approach should provide advantages, not only in
terms of being easier to measure the behavioral impacts on
performances than the feeling-state dimensions, but also in being
short. That will be achieved by measuring the serious
consequences of outcomes.
DEVELOPMENT OF THE INSTRUMENT
Theoretical Framework. The theoretical framework of OIDP is
presented in Figure Chapter 14.1. It was modified from the World
Health Organization's (WHO) International Classification of
Impairments, Disabilities and Handicaps2 amended for dentistry
by Locker.3 The main modification was that different levels of
consequence variables were established. The first level refers to the
oral status, including oral impairments, which most clinical indices
attempt to measure. The second level, "the intermediate impacts",
includes the possible earliest negative impacts caused by oral
health status: pain, discomfort or functional limitation.
Dissatisfaction with appearance was added in this level since
studies indicated that it was a major dimension of oral health
outcomes.4-6 In addition, functional limitation may cause pain,
discomfort or dissatisfaction with appearance and vice versa. The
third level, or the "ultimate impacts" represents impacts on ability
to perform daily activities which consists of physical,
psychological and social performances. Any of the dimensions in
the second level may impact on performance ability. This third
level is equivalent to disability and handicap dimensions in the
WHO2 model .