MAXILLARY MAJOR CONNECTORS

Video includes maxillary  major connectors

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A major connector is the component of the partial denture that connects the parts prosthesis located on one side of the arch with those on the opposite side. This component also provides the cross-arch stability to help resist displacement by functional stresses. The basic function of the major connector is unification. According to Stewart, all major connectors must: 1. Be rigid, 2. Protect the associated soft tissues, 3. Provide a means for obtaining indirect retention where indicated, 4. Provide a means for placement of one or more denture bases, 5. Promote patient comfort. The following 6 types of maxillary major connectors are used in removable partial denture therapy:1. Palatal bar, 2. Palatal strap, 3. Anteroposterior palatal bar, 4.Horseshoe, 5. Anteroposterior palatal strap, 6. Complete palate. The structural requirements for maxillary major connectors include: the borders must be placed a minimum of 6mm from gingival margins or extended onto the lingual surfaces of the teeth; relief is not required under maxillary major connectors; the anterior and posterior elements of an anteroposterior palatal strap should be at least 8mm wide and the posterior strap should be located in the farthest posterior position possible without contacting the movable soft palate. The design of maxillary major connectors was proposed by Blatterfein in 1953. It basically incluses 5 steps: 1. Outline of bearing areas, 2. Outline of non bearing areas, 3. Outline of connector type, 4. Selection of connector type, 5. Unification

References: 1. Stewart’s Clinical Removable Partial Prosthodontics, 4th Edition
                    2. Deepak Nallaswamy, Textbook of Prosthodontics, 2nd Edition
                    3. McCracken’s Removable Partial Prosthodontics ,12th Edition
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Disclaimer-All the content of the video(Including tables,graphs,pictures, statistics and the discription about the topic taken from the reference textbooks available in the public domain(hard and softcopies).

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