Aim: The life grid is a retrospective interview-based tool used to enhance recall of past events. This scoping review examines the use of the life grid in oral health research and its applications.
Methods: Using the Joanna Briggs Institute framework, Medline (Ovid), CINAHL, PsycInfo, ERIC, MedEdPortal, Web of Science Core Collection, ProQuest, and Google Scholar were searched with "life grid" and "oral" as initial keywords. Then, two reviewers screened the records independently. Studies published until April 21, 2022, were added, regardless of language. Data were summarised narratively and in a comprehensive table focused on seven main areas.
Results: A total of 22 studies were included from 724 initially identified records. The life grid was used in different forms, in various qualitative, longitudinal, and cross-sectional studies with participants of different ages. Eight studies used the life grid at the beginning of the interview, four during the process, and one at the end. The ability to reduce recall bias, increase data reliability, establish rapport with participants, and ensure information accuracy were among the most commonly cited benefits of using the life grid in oral health research, particularly in oral cancer research.
Conclusions: The life grid is a flexible tool used in a variety of structures and applications in oral health research. Positive impacts have been reported by both researchers and participants. This review highlights the potential of the life grid as a data collection and interview tool in oral health research and dental education.
Keywords: Communication; Data Collection; Interview; Research Design; Retrospective; Review.
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