Analysis of the Relationship between the Incisal Overjet in a Maxillary Denture and Phonetic Function Using a Speech Recognition System

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著者

    • INUKAI Shusuke
    • Removable Partial Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University
    • HIDESHIMA Masayuki
    • Removable Partial Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University
    • SATO Masayuki
    • Removable Partial Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University
    • NISHIYAMA Akira
    • Removable Partial Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University
    • ANDO Tomohiro
    • Removable Partial Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral Health Sciences, Graduate School, Tokyo Medical and Dental University

抄録

<B>Purpose:</B> The purpose of this study was to investigate the relationship between the intelligibility of the /S/ sound and the incisal overjet of the anterior teeth of in a maxillary denture.<BR><B>Methods:</B> Five subjects who were fitted with maxillary dentures participated in this study. Using a speech recognition system for the evaluation of phonetic functions, the correct and incorrect ratios of the intelligibility of the sound of the monosyllable [Si] in five subjects were determined in relation to increases in the degree of incisal overjet of the anterior teeth in a maxillary denture by +0, +1, +2 and +4 mm relative to that of the dentures already in use.<BR><B>Results:</B> In association with increase in the degree of incisal overjet in experimental dentures from +0 to +4 mm, while the appearance ratio of the correct [Si] sound decreased from 73.0±8.6% at +0 mm to 48.5±7.8% at +4 mm, that of the incorrect [Si] sound increased from 17.4±4.7% at +0 mm to 36.0±10.6% at +4 mm.<BR><B>Conclusion:</B> Increasing distance between the incisal edges of the maxillary and mandibular incisors make correct pronunciation of [Si] progressively more difficult.

収録刊行物

  • Prosthodontic research & practice  

    Prosthodontic research & practice 5(3), 171-177, 2006-11-21 

    Japan Prosthodontic Society

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各種コード

  • NII論文ID(NAID)
    10018226138
  • NII書誌ID(NCID)
    AA11728086
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13477021
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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