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Year : 2006  |  Volume : 6  |  Issue : 4  |  Page : 194-198

A new technique to locate the external finish line in metal base maxillary denture: A clinical report

Department of Prosthodontics, K.L.E.S's Institute of Dental Sciences and Research Centre, Belguam, Karnataka, India

Correspondence Address:
Y V Omprakash
No. 21/1, 9th Main, 5th Block, Jayalaxmipuram, Mysore - 570 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-4052.30696

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Polymers are the dominant materials for fabrication of denture bases because of their acceptable physical, biologic, and esthetic characteristics. Metal alloys are advisable in those situations in which the resin denture bases fail due to several reasons such as poor adaptation, inability to tolerate excessive masticatory forces, and so on. In metal denture base positioning of resin-metal junction (external finish line) is very much important so as to minimize weight, maximize strength, and ensure proper palatal contours. The objective information available regarding the exact location of external finish line in a metal base denture is not sufficient. In the past, placement of this external finish line was somewhat arbitrary. Improper placement of resin-metal finish lines may adversely affect phonetics. This clinical report describes a new technique to locate external finish line precisely in metal base maxillary denture. This technique is easy to do, cost effective and reduces post-insertion visits by the patient.

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