Kuraray Noritake Dental Inc.

Hiroyuki Sakamoto

Yoshihisa Ito

Atsushi Matsumoto

Kenji Suzuki

Shinichiro Kato

Atsushi Matsuura

A mill blank may have a multilayer structure and desirable aesthetics. Such dental mill blanks may include a mill blank portion having a layered structure of two or more layers, and in which the layered structure includes an enamel layer and a core layer, the core layer comprising a first portion that is substantially a frustum, the frustum having a side face forming a part of an interface between the enamel layer and the core layer.

Dental mill blank and dental prosthesis

The present invention provides a container used in a stereolithography apparatus and having excellent transparency, shape accuracy, and durability. The present invention relates to a container for holding a photocurable composition (), the container being used in a stereolithography apparatus comprising a container (), an active energy beam irradiation apparatus (), and an actuator (), wherein the container () comprises a bottom (') and a wall, the bottom (&#x2032;) comprises a first layer (X) comprising a hard resin, a second layer (Y) comprising a soft resin, and a third layer (Z) comprising a fluorine resin, the second layer (Y) is laminated on the first layer (X) and the third layer (Z) is laminated on the second layer (Y), the pencil hardness measured according to JIS K 5600-5-4:1999 for the first layer (X) is 3 B or harder, the hardness measured for the second layer (Y) using a type A durometer compliant with JIS K 6253-3:2012 is 10 to 90, and the third layer (Z) has a thickness of 0.1 to 5.0 mm.

Container for stereolithography apparatus

The present invention provides a mill blank having a multilayer structure and excellent aesthetics, and a method for producing the mill blank. The present invention relates to a mill blank for dental use comprising a mill blank portion having a multilayer structure with two or more layers, wherein the multilayer structure comprises a body layer () inside an enamel layer (), and the body layer () is shaped to comprise a bottom face and a side face, the side face having a portion perpendicular to the bottom face.

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Aichi, Japan

Hiroyuki Sakamoto