Medicine and Health Sciences Commons^™

The Dislodgement Of The Sponge Head Of Novel Thai-Produced Sponge Brushes, Nawachat Meechumna

Chulalongkorn University Theses and Dissertations (Chula ETD)

Objective. To perform an in vitro investigation on the dislodgement of sponge head of different manufactured sponge brushes (Sakura shape, Sunstar BUTLER, Japan, and 4 novel Thai-produced sponge brushes; combination of two shapes (round and Leelawadee) and two textures (soft and hard), King Dental Innovation Foundation; KDIF , Thailand. Methods. In order to evaluate the dislodgement of sponge head, strength test measurement was performed according to ISO 20126:2012(E). Five types of polyurethane foam were characterized using Fourier transform infrared spectroscopy (FTIR). The density of the foam was evaluated as the weight of foam in the air per unit volume of …