PubMed · 10530123
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P A Fugazzotto. 1998. Tooth extraction as a reconstructive event.. https://pubmed.ncbi.nlm.nih.gov/10530123/
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The loss of teeth may result in patients experiencing problems of a functional, aesthetic and psychological nature. This section addresses the very important subject of occlusal considerations for partial and complete dentures. The occlusion is particularly important given the bearing that occlusal factors have, especially on edentulous patients.
When it is necessary to increase the vertical height of the residual alveolar ridge, alveolar distraction osteogenesis has numerous advantages compared to other preprosthetic surgical procedures. It is frequently used for this purpose in the anterior region because of the obvious accessibility. The authors present a clinical case of edentulous posterior mandible, with insufficient vertical alveolar bone height, treated by alveolar distraction osteogenesis leading to three titanium fixtures. They explain their choice and discuss the preliminary results.
Dental implants are subject to masticatory loads of varying magnitude. Implant performance is closely related to load transmission at the bone-to-implant interface where bone quality will be highly variable. The type and architecture of bone is known to influence its load bearing capacity and it has been demonstrated that poorer quality bone is associated with higher failure rates. To date, bone classifications have only provided rough subjective methods for pre-operative assessment, which can prove unreliable. The results of an extensive analysis of computerized tomography scans using Simplant software (Columbia Scientific Inc., Columbia, MD, USA) demonstrate that an objective scale of bone density based on the Houndsfield scale, can be established and that there is a strong correlation between bone density value and subjective quality score (P = 0.002) as well as between the bone density score and the region of the mouth (P < 0.001).