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The stability of a maxillary major connector in a dental prosthesis is fundamentally influenced by the distance from the gingival margin. This feature is crucial because it helps to ensure that the connector is placed adequately above the gingival tissues, thereby minimizing trauma and discomfort to the surrounding soft tissues while ensuring that adequate retention and support are provided for the dental prosthesis. A proper gingival margin distance allows for appropriate coverage of the palate, enhancing the overall function and stability of the dental restoration.

While aspects such as the width of a lingual bar, vertical component spacing, and minor connector thickness also contribute to the overall design and effectiveness of dental prostheses, they do not directly correlate to the essential stability provided by the correct gingival margin distance in a maxillary major connector context. This ensures that the prosthetic device remains securely in place during use, which is vital for patient comfort and the success of the treatment.