Influence of pontic design of anterior fixed dental prosthesis on speech: A clinical case study

doi:10.12998/wjcc.v9.i36.11276

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Dec 26, 2021 (publication date) through Jul 22, 2024

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World Journal of Clinical Cases

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Clinical Trials Study

World J Clin Cases. Dec 26, 2021; 9(36): 11276-11284
Published online Dec 26, 2021. doi: 10.12998/wjcc.v9.i36.11276

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Figure 1 A patient with maxillary anterior teeth missing has worn a removable partial denture for 4 years.

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Figure 2 Cone beam computed tomography images of the patient.

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Figure 3 Two removable partial dentures with two types of pontic design (saddle pontic and modified ridge lap pontic).

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Figure 4 A, B and C frequencies of /u/ sound for blank, removable partial denture, saddle pontic-fixed dental prostheses, modified ridge lap pontic-fixed dental prostheses, S-fixed dental prostheses-1, and M-fixed dental prostheses-1 situation. Data shown are the mean ± SD, with P value deriving from one-way ANOVA tests with Tukey’s multiple comparisons test. ^aP < 0.05. RPD: Removable partial denture; FDP: Fixed dental prostheses; S-FDP: Saddle pontic-fixed dental prostheses; M-FDP: Modified ridge lap pontic-fixed dental prostheses; S-FDP-1: 1 wk after wearing saddle pontic-fixed dental prostheses; M-FDP-1: 1 wk after wearing modified ridge lap pontic-fixed dental prostheses.

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Figure 5 Upper boundary frequency of /f/, /s/, and /sh/ sounds at blank, removable partial denture, saddle pontic-fixed dental prostheses, modified ridge lap pontic-fixed dental prostheses, S-fixed dental prostheses-1, and M-fixed dental prostheses-1 situation. Data shown are the mean ± SD, with P value deriving from one-way ANOVA tests with Tukey’s multiple comparisons test. ^aP < 0.05; ^bP < 0.01. RPD: Removable partial denture; FDP: Fixed dental prostheses; S-FDP: Saddle pontic-fixed dental prostheses; M-FDP: Modified ridge lap pontic-fixed dental prostheses; S-FDP-1: 1 wk after wearing saddle pontic-fixed dental prostheses; M-FDP-1: 1 wk after wearing modified ridge lap pontic-fixed dental prostheses.

Citation: Wan J, Cai H, Wang T, Chen JY. Influence of pontic design of anterior fixed dental prosthesis on speech: A clinical case study. World J Clin Cases 2021; 9(36): 11276-11284
URL: https://www.wjgnet.com/2307-8960/full/v9/i36/11276.htm
DOI: https://dx.doi.org/10.12998/wjcc.v9.i36.11276