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Hydroxyapatite for alveolar ridge augmentation: indications and problems.

R P Desjardins

    The Journal of Prosthetic Dentistry
    |September 1, 1985
    PubMed
    Summary
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    Hydroxyapatite augmentation of residual alveolar ridges can improve denture fit but requires careful patient selection and minimal application. Optimal results depend on a combined surgical-prosthodontic approach for better denture support.

    Area of Science:

    • Oral and Maxillofacial Surgery
    • Prosthodontics
    • Biomaterials Science

    Background:

    • Increased use of hydroxyapatite for alveolar ridge augmentation presents challenges in complete denture fabrication.
    • Hydroxyapatite is effective for resorbed ridges but not universally indicated, and excessive use is detrimental.

    Purpose of the Study:

    • To evaluate the indications and limitations of hydroxyapatite augmentation for residual alveolar ridges in complete denture prostheses.
    • To emphasize the importance of a coordinated surgical-prosthodontic approach for successful denture outcomes.

    Main Methods:

    • Review of clinical cases and outcomes related to hydroxyapatite augmentation for alveolar ridge deficiencies.
    • Analysis of preprosthetic surgery principles and their impact on denture support, retention, and stability.

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    Main Results:

    • Hydroxyapatite augmentation should be used judiciously, focusing on improving ridge contour and amount, not as a substitute for vestibular extension.
    • Augmentation should not necessitate the use of lining mucosa for denture support and must allow for vertical and horizontal denture extension.

    Conclusions:

    • Hydroxyapatite augmentation is not always necessary; vestibular extensions may suffice.
    • Successful preprosthetic surgery requires a combined surgical-prosthodontic approach, using minimal hydroxyapatite to create an optimal foundation for complete dentures.