![]() Branemark P I, Zarb G A, Albrektsson T (eds). ![]() Patient selection and preparation in Tissue Integrated Prostheses. ![]() Spiral CT scans permit bone density quantification in Hounsfield Units, although bone density measurements on CBCT images are less reliable. Distal mandibular sites may also reveal extremely poor bone mineralization. The maxillary tuberosity for example, consists mainly of marrow spaces and adipose tissue and female patients demonstrate in general a lower amount of mineralized bone trabeculae. Part of the diagnosis is to determine the skeletal age and growth to determine the timing of implant placement.Īlveolar insufficiency may also refer to the bone quality. The absence of teeth prevents the development of proper jaw bone dimensions and the associated available bone volume often does not allow placement of endosseous implants without prior bone augmentation procedures. Patients with ectodermal dysplasia and anodontia, or patients with a cleft palate syndrome can have an alveolar insufficiency. This scrupulous evaluation can lead to avoidance of invasive bone augmentation procedures. When alveolar ridge resorption is advanced, clinical and specific imaging examinations will inform the doctor which remaining jaw bone areas are still available for the optimal placement of short/narrow endosseous implants. Inserting endosseous implants to retain/support a dental prosthesis retards further jaw bone resorption.
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