this study was conducted to compare the mandibular bone density between postmenopausal women with normal skeletal bone mass density (bmd) and those with low skeletal bmd using digital panoramic radiographs.one hundred fifteen postmenopausal women were divided into normal and osteoporotic/osteopenic groups. digital panoramic radiographs were prepared using digora pct sorodex equipment and promax...

In dentistry, surgical access to the alveolar bone is conducted in several clinical situations and in various specialities. Yet, when the periosteum is separated from the alveolar bone, osteoclastic activity is stimulated, which ends in a resorptive phase that leads to bone ridge loss (Staffileno et al., 1962; Staffileno et al., 1963; Ranjford and Costish, 1968; Yaffe et al., 1994). This loss, ...

Recently, a new indicator of vestibular otolithic function has been reported: it is a series of negative-positive myogenic potentials recorded by surface electrodes on the skin beneath the eyes in response to bone-conducted vibration (BCV) delivered to the forehead at the hairline in the midline (Fz). The potential is called the ocular vestibular-evoked myogenic potential (oVEMP) and the first ...

conclusions in contrast to the findings in humans and certain other species, glucocorticoid administration caused anabolic effect on the cortical bone of tibia diaphysis bone in rats. results glucocorticoid-treated rats showed weight loss and considerable mortality (21%). the biomechanical properties (maximum force) of glucocorticoid-treated rats in groups 4 (62 ± 2.9), 6 (63 ± 5.1), and 7 (60 ...

Objective (s): Artificial bone implants have been studied as a possible bone replacement for fractured and destroyed facial tissue; the techniques employed to determine the success of the dental implants. The stability, porosity and resistance of the bone implant which is subjected to varying forces and stresses within the surrounding bone is a subject of interest among the dentists. Materials ...

Background: Hematologic malignancies in childhood and their treatments can cause dental anomalies and jaw bone abnormalities; therefore, the aim of this study was to assess the prevalence of these disorders in children. Methods: This cross-sectional study was conducted on all children diagnosed with hematologic malignancies that referred to in Amirkola Children’s Hospital from 2011 to 2018. Al...

PURPOSE We investigated the role of the collagen-binding receptor discoidin domain receptor-1 (DDR1) in the initiation and development of bone metastasis. EXPERIMENTAL DESIGN We conducted immunohistochemical analyses in a cohort of 83 lung cancer specimens and examined phosphorylation status in a panel of human lung cancer cell lines. Adhesion, chemotaxis, invasiveness, metalloproteolytic, os...

BACKGROUND Many factors, such as heredity, ethnicity, nutrition and other lifestyle factors, have been related to bone mineral density in postmenopausal women. Additionally, bone mass has been significantly associated with decreased estrogen levels. However, fewstudies have been conducted on premenopausal women. The present study was designed to estimate the relationship between low bone minera...

OBJECTIVES Considering the importance of bone augmentation prior to implant placement in order to obtain adequate bone quality and quantity, many studies have been conducted to evaluate different techniques and materials regarding new bone formation. In this study, we investigated the bone healing capacity of two different materials deproteinized bovine bone mineral (DBBM with the trade name of...