{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T23:32:17Z","timestamp":1771630337975,"version":"3.50.1"},"reference-count":12,"publisher":"BMJ","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Reports"],"accepted":{"date-parts":[[2014,8,20]]},"abstract":"<jats:p>Microstomia is a common occurrence in clinical practice that may hinder the conventional prosthetic treatment of edentulous patients. Oral augmentation exercises to increase the vertical opening and sectional or collapsible dentures have been described in the past, which have their own drawbacks and limitations. The present article highlights a new approach for rehabilitation of a patient with microstomia with cast lock and key attachments leading to greater ease for both the patient and the clinician. The chief advantage of this technique is the simple fabrication procedure and the reduction in the denture base thickness, providing a larger intraoral space and thus better comfort to the patient, overcoming the shortcomings of previously described sectional denture bases.<\/jats:p>","DOI":"10.1136\/bcr-2013-203402","type":"journal-article","created":{"date-parts":[[2014,9,10]],"date-time":"2014-09-10T08:28:17Z","timestamp":1410337697000},"page":"bcr2013203402","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Lock and key cast metallic sectional denture: a revised approach for oral rehabilitation of a patient with microstomia"],"prefix":"10.1136","volume":"2014","author":[{"given":"Varun","family":"Baslas","sequence":"first","affiliation":[{"name":"Department of Prosthodontics, King George Medical University, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaushal Kishor","family":"Agrawal","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, King George Medical University, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pooran","family":"Chand","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, King George Medical University, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sunit Kumar","family":"Jurel","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, King George Medical University, Lucknow, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2014,9,10]]},"reference":[{"key":"2025082707163087000_2014.sep10_1.bcr2013203402.1","first-page":"39","article-title":"The glossary of prosthodontics terms","volume-title":"J Prosthet Dent","volume":"81","author":"Academy of Prosthodontics","year":"1999"},{"key":"2025082707163087000_2014.sep10_1.bcr2013203402.2","unstructured":"Ward PB Eppley BL Schmelzheisen R . 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