{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T06:29:13Z","timestamp":1769840953033,"version":"3.49.0"},"reference-count":23,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2015,7,27]],"date-time":"2015-07-27T00:00:00Z","timestamp":1437955200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To establish a correlation between the effective internal diameter of the maxillary defect, the resonating frequency, and the effectiveness of the definitive obturator in reducing the percentage nasality.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Twenty\u2010nine patients who underwent maxillectomy confined only to the hard palate (Aramany's class I and class II defect) and were wearing a definitive obturator for at least 3 months were included. The percentage nasality and resonating frequency were calculated with the help of Praat software. The patients were asked to read out a \u201cRainbow\u201d passage and also to phonate and articulate vowels. Both parameters were assessed with and without the obturator prosthesis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Following obturator use, a mean change of 1.07 \u00b1 0.83 kHz was observed in the resonating frequency (<jats:italic>p<\/jats:italic>&lt; 0.001). The percentage change in resonating frequency was found to be 27.48 \u00b1 4.99% following obturator use (<jats:italic>p<\/jats:italic>&lt; 0.001). The effective internal diameter of the maxillary defect was calculated with the help of a Vernier calliper. The correlation between absolute and percentage values of resonating frequency and nasality before and after obturator use was found to be negative.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This study found that efficacy of the obturator prosthesis in reducing nasality was greater in smaller defects than in large defects.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.12309","type":"journal-article","created":{"date-parts":[[2015,7,27]],"date-time":"2015-07-27T20:51:55Z","timestamp":1438030315000},"page":"202-206","source":"Crossref","is-referenced-by-count":7,"title":["Effect of Prosthodontic Rehabilitation of Maxillary Defects on Hypernasality of Speech"],"prefix":"10.1111","volume":"25","author":[{"given":"Arvind","family":"Tripathi","sequence":"first","affiliation":[{"name":"Postgraduate Studies and Research Saraswati Dental College and Hospital Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ashutosh","family":"Gupta","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Saraswati Dental College and Hospital Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Varun","family":"Arora","sequence":"additional","affiliation":[{"name":"APS Lucknow Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,7,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"crossref","first-page":"860","DOI":"10.1002\/hed.21264","article-title":"Microvascular free flap reconstruction versus palatal obturation for maxillectomy defects","volume":"32","author":"Moreno MA","year":"2009","journal-title":"Head 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