All that can be done is to attempt to remove the etiologic factors, which at times are vague, or remove the resorptive
tissue, to create a healthy environment and observe for a positive, healing response.
MTA (ProRoot MTA, DentsplyMaillefer, Ballaigues, Switzerland) was prepared in accordance with the manufacturer's instructions.9 An endodontic plugger appropriate to the working length was chosen; a stopper was placed 1 mm behind the working length and inserted into the external resorptive
area of the root canal with a messing gun and then pushed slightly into the area by the endodontic plugger (DentsplyMaillefer, Ballaigues, Switzerland).
The hypothesis that [V4.sup.+] and [V5.sup.+] ions are able to interfere with OC differentiation and bone resorptive
activity was clearly supported in this study.
Jones, "The relationship between the number of nuclei of an osteoclast and its resorptive
capability in vitro," Anatomy and Embryology, vol.
Thus, the inhibition of TNF-[alpha] normalised the resorptive
behaviour of Charcot osteoclasts in which resorption alternated with migration as indicated by a significant increase in the percentage of unidented pits.
activity of osteoclasts leads to an increase in intramedullary canal.
In the hepatopancreas, PR was localized in the nucleus of resorptive
cells as well as in the cytoplasm and nucleus of fibrillar cells for all stages of ovarian development.
These results suggest an exacerbated proinflammatory and bone resorptive
effect of CTS in the presence of bacteria.
Teeth with open apices, resorptive
defects, cracks on root surface, and gross caries involving the crown or root, exceptionally thin and curved roots, and teeth with more than one root canal were excluded.
Osteoclasts secrete proton and extracellular matrix-digestive enzymes into the resorptive
pit, subsequently resulting in bone resorption .
activity seems to be reduced in old animals and shows different rates between genders.
(4,14) Along with pathological effects on the upper respiratory tract epithelium, these substances have a moderate resorptive
effect which accounts for their systemic effects--this must be considered in the treatment and prevention in areas with high levels of ambient air pollution by particulate matter and irritating chemicals.