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References

Michi K, Yamashita Y, Imai S, Suzuki N, Yoshida H. Role of visual feedback treatment for defective/s/sounds in patients with cleft palate. J Speech Hear Res. 1993; 36:277-285
Whitehall TL, Stokes SF, Man YHY. Electropalatography treatment in an adult with late repair of cleft palate. Cleft Palate-Cran J. 1996; 33:160-168
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Murdoch BE. Physiological investigation of dysarthria: recent advances. Int J Speech-Lang Pathol. 2011; 13:28-35
Lohmander A, Henriksson C, Havstam C. Electropalatography in home training of retracted articulation in Swedish child with cleft palate: effect on articulation pattern and speech. Int J Speech-Lang Pathol. 2010; 12:483-496
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Improving speech disorders using electropalatography: applications, technical aspects and manufacture of the appliance

From Volume 6, Issue 2, April 2013 | Pages 47-50

Authors

Renny Talbot

City and Guilds Certificate in Dental Technology, Advanced Orthodontic Certificate, Advanced Max-fac Certificate, Outpatient Department, Addenbrooke's Hospital, Cambridge, London, UK

Articles by Renny Talbot

Dirk Bister

MSc(Lond), MOrth RCSEd(Edin), FDSOrth

Department of Orthodontics, Guy's Hospital, London, UK

Articles by Dirk Bister

Abstract

This paper describes applications of electropalatography (EPG) and the stages of laboratory construction. EPG is thought to be useful for improving speech of cleft lip and palate patients because it gives a direct visual feedback of tongue-to-palate contact allowing patients to alter tongue position, ideally leading to an improvement of their speech.

Clinical Relevance: Electropalatography is a clinical technique utilized to improve speech in cleft lip and palate patients. It allows patients and speech and language therapists to visualize the placement of the tongue within the oral cavity. This technique helps to correct abnormal articulations by adopting normal patterns for consonants or vowels that patients find difficult to pronounce.

Article

The benefits of EPG have been well documented in the past.1,2,3 Speech is produced by complex co-ordination of multiple muscular systems and multiple components in the head and neck region. The nose, lips, tongue, larynx and pharynx all contribute to good speech articulation. Speech disorders are usually multifactorial and the causes are usually divided into developmental or acquired, neurological and physical. In cleft lip and palate (CLP) patients physical and developmental factors are the main causes and velopharyngeal insufficiency (VPI) is a common presenting feature.4

Articulation and quality of speech are usually assessed separately by speech and language therapists (SLTs), however, intra-oral assessment of the tongue-to-palate contact during active speech can be difficult, hence the use of EPG.

Dysarthria is not specific to CLP but can also be a presenting feature in Down's syndrome, patients with hearing impairments and cerebral palsy. In all these instances, EPG can be applied with positive outcomes. Equally, in adults it can be used for patients who experience traumatic brain injuries (TBI) or suffer from Parkinson's disease.

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