Comparison of speech articulation and intelligibility in palatally contoured dentures using a novel rugae duplication technique: A clinical study

  • Authors

    • Priya Vaswani Krishna Institute of medical sciences
    • Pronob Sanyal
    • Ankur Prajapati
    2015-08-21
    https://doi.org/10.14419/ijdr.v3i2.5076
  • Linguopalatal Sounds, Phonetics, Rugae Duplication, Rugae Wax Pattern, Speech Rating Scale

  • Abstract

    Background: Speech is essential to human activity. Loss of teeth is usually accompanied by eventual loss of oral morphology responsible for articulation. Palatal rugae contour has an important role in phonetics by production of linguo-palatal sounds that involves the contact between tongue and palate.

    Objectives: To analyze the improvement in linguo-palatal sounds by duplicating the existing rugae in maxillary complete denture prosthesis using two different impression materials in shallow, medium & deep palatal vault configuration.

    Methods: Twenty four completely edentulous patients were selected that were categorized eight in each category of shallow, medium & deep palatal vaults. Existing rugae were duplicated using mucocompressive and mucostatic impression material, wax pattern obtained through these impressions were incorporated in maxillary dental prosthesis. Later speech was recorded and analyzed by a speech pathologist with an aid of speech rating scale over a period of eight weeks.

    Results: Mann-Whitney U test and Wilcoxon matched pair test showed statistical significance in speech improvement (p<0.05) when mucostatic impression derived rugae pattern was incorporated in upper arch prosthesis.

    Conclusion: Using the presently described rugae duplication technique, speech improvement is rapid in case when mucostatic impression material was used.

  • References

    1. [1] Allen,L.R (1958) Improved Phonetics in Denture construction.J Prosthet Dentistry 8,753-736. http://dx.doi.org/10.1016/0022-3913(58)90095-7.

      [2] Martone, A.L (1963) Clinical applications of concepts of Functional Anatomy and Speech Science to complete denture prosthodontics.J Prosthet Dentistry 13, 4-33. http://dx.doi.org/10.1016/0022-3913(63)90194-X.

      [3] Tanaka H (1973) Speech patterns of edentulous patients and morphology of palate in relation to phonectics.J Prosthet Dentistry 29, 16-28. http://dx.doi.org/10.1016/0022-3913(73)90135-2.

      [4] Farley D, Jones D.J (1998) Palatogram assessment of Maxillary Complete denture.Journal of Prosthodontics 7(2), 84-90. http://dx.doi.org/10.1111/j.1532-849X.1998.tb00185.x.

      [5] Kazanje MN, INoori SY (2008) Measurement of Palatal Depth for Completely Edentulous Patient.Al-Rafidain Dentistry Journal 8(1), 23-25.

      [6] Zarb GA, Bolender CL, Hickey JC (1985) Prosthodontic Treatment for Edentulous Patients,The CV Mosby Company.

      [7] Sharry JJ (1974) Complete Denture Prosthodontics, McGraw-Hill.

      [8] Palmer JM (1979) Structural changes for speech Enhancement in complete upper denture fabrication.J Prosthet Dentistry 41,507-10. http://dx.doi.org/10.1016/0022-3913(79)90081-7.

      [9] Meenu Merry C Paul. A simple technique of fabricating customized palatal rugae contours in complete dentures for enhancing phonetics KDJ April 2010;33(2) :110

      [10] White JA, Blood IP, Jagger DC.Improving mechanical properties of maxillary complete dentures through a bioinspirsed engineering design. Int J Prosthodont Nov-Dec 2011; 24(6):589-98.

      [11] Runte C, Lawerino M, Dirksen D, BollmannF, Lamprecht-Dinnesen A, Seifert E. The influenceof maxillary central incisor position in complete dentures on /s/ sound production.J Prosthet Dent 2001; 85:485-95. http://dx.doi.org/10.1067/mpr.2001.114448.

      [12] Kong HJ,Hansen CA .Customizing palatal contours of a denture to improve speech Intelligibility.J Prosthet Dent 2008;99(3):243-48. http://dx.doi.org/10.1016/S0022-3913(08)60049-9.

      [13] Farley DW, Jones JD, Cronin RJ. Palatogram assessment of maxillary complete dentures.J Prosthodont 1998; 7:84-90. http://dx.doi.org/10.1111/j.1532-849X.1998.tb00185.x.

      [14] Hansen CA, Singer MT. Correction of defective sibilant phonation created by a complete maxillary artificial denture. GenDent 1987; 35:357-60.

  • Downloads

  • How to Cite

    Vaswani, P., Sanyal, P., & Prajapati, A. (2015). Comparison of speech articulation and intelligibility in palatally contoured dentures using a novel rugae duplication technique: A clinical study. International Journal of Dental Research, 3(2), 15-20. https://doi.org/10.14419/ijdr.v3i2.5076

    Received date: 2015-07-19

    Accepted date: 2015-08-16

    Published date: 2015-08-21