Cingulum bar as a major connector for mandibular removable partial dentures.

In the international literature and textbooks, the cingulum bar as a mandibular major connector is often neglected. It is a viable alternative to a lingual bar where the distance between the marginal gingivae and the mucolingual fold is restricted. It also provides indirect retention and thereby eliminates the need for a conventional indirect retainer. Patient comfort with an RPD with a cingulum bar seems acceptable because the connector forms one unit with the anterior teeth. The replacement of a lost natural anterior tooth with a denture tooth is not difficult. The metal bulk of the bar may be a disadvantage and esthetics may be compromised if spacing is present. Marked lingual inclination of the anterior teeth prevents the use of a cingulum bar. Different laboratory requirements are discussed.