OBJECTIVES To retrospectively evaluate the clinical outcome of tapered, multithreaded implants (Tapered Screw-Vent MTX; Zimmer Dental, Inc, Carlsbad, CA) with an emphasis on periimplant crestal bone status around those placed delayed and immediately in the posterior and anterior maxilla. METHODS Chart reviews were performed on 46 patients who had been treated with 173 implants replacing one o...

Precise control of jaw length during development is crucial for proper form and function. Previously we have shown that in birds, neural crest mesenchyme (NCM) confers species-specific size and shape to the beak by regulating molecular and histological programs for the induction and deposition of cartilage and bone. Here we reveal that a hitherto unrecognized but similarly essential mechanism f...

Bone metastasis is a multistep process that includes cancer cell dissemination, colonization, and metastatic growth. Furthermore, this process involves complex, reciprocal interactions between cancer cells and the bone microenvironment. Bone resorption is known to be involved in both osteolytic and osteoblastic bone metastasis. However, the precise roles of the bone resorption in the multistep ...

Ectodermal dysplasia (ED) is a congenital syndrome characterized by abnormalities of tissues of ectodermal origin, namely skin, nails, hair, and teeth. Dental treatment of patients with ED is necessary because it provides the opportunity to develop normal speech, chewing, swallowing, and facial support. Because there are few reports on implants inserted in grafted bone in patients with ED, we p...

background: socket preservation after tooth extraction is one of the indications of bone grafting to enhance preorthodontic condition. the aim of this study is to determine the effects of socket preservation on the immediate tooth movement, alveolar ridge height preservation and orthodontic root resorption. materials and methods: in a split-mouth technique, twelve sites in three dogs were inves...

We present the use of deproteinized bovine bone mineral and a non-crosslinked collagen membrane for reconstruction significant alveolar defect in this clinical case report,. The patient had extensive loss anterior maxillary region, posing challenge implant placement. Therefore, ridge preservation was performed following tooth extraction, resulting horizontal regeneration. Two implants were subs...

SKELETAL ADAPTATION TO MECHANICAL STRAIN IN HUMANS Several lines of clinical evidence (1–3) suggest that the adult skeleton in humans continuously responds to change in mechanical environment to maintain resultant “elastic” deformation (strain) of bone; increased or decreased bone strain would normally induce bone gain or loss, respectively. Indeed, skeletal adaptation to mechanical strain, kno...

A variety of surgical techniques and materials have been developed to increase the vertical bone height in the posterior maxilla. Minimally invasive crestal approaches for the elevation of the floor of the sinus using a crestal approach have been recently reported to minimize adverse events associated with the use of the osteotome technique for indirect sinus lift. The aim of this study is to r...

The aim of the study was to evaluate tooth mobility in relation to root length and alveolar bone support in maxillary incisors 10-25 years after orthodontic treatment, and to monitor the development during 5 years in a sub-sample. Thirty-six patients, seven males and 29 females with one or more severely resorbed maxillary incisors, a total of 139 teeth, were examined. At re-examination, 11 pati...