The isothermal enthalpy changes with time of a dental composite were examined by microcalorimetry to isolate the effects of different filler concentrations and curing times on chemical aging of these composites. Urethane dimethacrylate (UDMA) monomer, zirconia-silica (ZS) powder, and 3-methacryloxypropyltrimethoxysilane (MAPM) were used as organic and inorganic matrices, and a coupling agent, r...

Wood–plastic composites (WPCs) increase the range of applications materials by creating new material solutions. As part this research, PLA (polylactic acid)- and HDPE (high-density polyethylene)-based were manufactured. Softwood sawdust or conifer bark with different sizes (large small) used as filler. In selected cases, addition 3% additives, such calcium oxide in case polyethylene-graft-malei...

The objective of this study was to investigate the potential use of sand washing waste as filler for epoxy resin mortar. The mechanical properties of four series of mortars containing epoxy binder at 10, 15, 20, and 25 wt. % mixed with sand blended with sand washing waste filler in the range of 0-20 wt. % were examined. The compressive and flexural strength increased with the increase in epoxy ...

BACKGROUND Recent advances in hyaluronic acid (HA) fillers and radiofrequency (RF) devices have been made in the context of skin rejuvenation and cosmetic surgery. Moreover, combination regimens with both techniques are currently being developed. OBJECTIVE The present study was designed to examine the clinical and histologic effects of a new needle that incorporates an RF device for HA inject...

We compared the effect of a novel ion-releasing tooth-coating material that contained S-PRG (surface-reaction type prereacted glass-ionomer) filler to that of non-S-PRG filler and nail varnish on the demineralization of bovine enamel subsurface lesions. The demineralization process of bovine enamel was examined using quantitative light-induced fluorescence (QLF) and electron probe microanalyzer...

A total of 4 cases with complications following filler rhinoplasty referred to plastic surgery with hospital out-patient division. They were between 20 to 40 years old and only one man involved. They felt extremely painful during injection. Initially the skin lesion was blanching, discoloration, hyperemia and bruising. They were treated with oral antibiotic, non-steroid anti-inflammatory drug (...

Novel types of permanent and transient fillers are proposed both in plastic and reconstructive surgery and in dermatology. Different molecules with high biocompatibility, no side effects, and slow degradation rate in human tissues are emerging. The importance of degradable fillers significantly increased in recent years for a variety of reasons: surgical injection of these materials is easier a...

AlloDerm® (LifeCell Corp.; Brancburg, NJ) is an acellular dermal matrix (ADM) that serves as an immunologically inert scaffold in plastic surgery. In breast reconstruction, it is used as a filler for lumpectomy defects and can be used to create the inferolateral portion of the tissue expander pocket or implant pocket in postmastectomy patients. However, there are limited reports of the radiolog...

Breast augmentation is a major plastic surgery used to enhance the aesthetics of a woman’s body shape, which generally increases a woman’s self-esteem [1]. Although breast implants are commonly used for breast augmentation, the characteristics of the surgery, which involve an implant of standard form and size, make it difficult to revise the results with other than repeated surgery. Even though...