UBC Theses and Dissertations
Using qualitative synthesis to develop a metatheory that explains how patients manage complete tooth loss Al-Sahan, Maha Muzahem
Complete tooth loss is a leading cause of oral disability, and is among the most difficult treatment challenges in dentistry. Tooth loss, like the loss of other body parts, can generate profound emotional and social responses, but there is no comprehensive theory to explain how people psychologically manage loss of a part of their body. Given the complexity of the phenomena surrounding these issues, the purpose of this dissertation was to conduct a systematic review of the literature to search for and synthesize the psychosocial theories commonly related to the loss of anatomical parts, such as breasts, limb, or teeth, and to explain the beliefs and behaviours of people responding to such losses. The methodological challenges encountered when conducting the systematic search and qualitative synthesis of theories are also presented with proposed solutions and considerations to overcome such challenges. Finally, I explore how theories from this qualitative synthesis explain the beliefs, concerns, and responses of people who experience complete tooth loss. The findings of the search yielded 2,540 citations that referenced 288 articles referring to 89 primary theories containing 586 constructs. Through the synthesis of seven construct categories, a metatheory with essential contributions from theories related to communications, developmental regulation, emotions, resources, and social cognition was integrated to explain responses to loss. Different approaches of searching were necessary, for example, both electronic and manual searches were used, including searching of the reference list of selected articles to better understand the sources of relevant theories. Inclusion criteria were refined using iterative and inductive processes to ensure the inclusion of all relevant literature. The qualitative synthesis presented in this study was a useful approach for developing a metatheory that provided a conceptual foundation, which was used to explain how people manage the loss of anatomical parts. A metatheory synthesized from five dominant theories addressing communication, personal background, emotions, resources, and social awareness offers a comprehensive and plausible explanation of how people respond psychologically and socially to the loss of their teeth, and it expands the scope of information needed to help people manage their loss and subsequent treatment.
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