Introduction: Speech impediment from tooth loss and denture treatment is one of the major problems for patients, especially those whose work involves talking or singing. Studies of this problem are scarce and far removed in the literature.
Aim: The purpose of this study is to investigate how the voice characteristics of prosthetics are modified to improve clinical practice outcomes using scientific evidence on the subject.
Materials and Methods: The following research databases were used for the study: MEDLINE, Scopus, EMBASE, and PubMed from January 2001 to August 2019 focused on studies specifically evaluating changes in the voice characteristics and speech function of patients undergoing prosthetic treatment.
Results: Although the studies offer an assessment of speech function before and after prosthetics based on phonetics and corrections through speech production, no article describes speech adequacy with phonetic training in speech therapy.
Conclusion: The speech function of patients undergoing prosthetic treatment is examined only by phonetic tests and prosthesis modifications performed by dental practitioners, which proves the need for clinical studies involving other specialists.
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