Thickened sinus membranes (>2 mm) and reduced residual ridge heights (≤4 mm) were highly prevalent in this sample of patients with missing posterior maxillary teeth. Membrane thickening >5 mm, especially of a polypoid type, is associated with an increased risk for ostium obstruction. In the presence of these findings, an ENT referral may be beneficial prior to implant-related sinus floor elevation.
We have used human teeth for ossicular reconstruction in 20 tympanoplasties, the longest follow-up being over 2 years. The take of the graft and the hearing improvement have been very satisfactory and long-lasting. This preliminary report discusses the merits of the tooth as a prosthetic material for ossicular reconstruction. Our experience to-date indicates that the material satisfies all the criteria of an ideal prosthesis.
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