round or anatomical silicone prosthesis having a shell with improved durability and method for its manufacture the present invention relates to a silicone prosthesis including a silicone shell (20), which has a superior texture and comfort when implanted in the body, minimizes the pressure concentration, which can arise when using for a long time, eliminating the difference in physical characteristics and pressure in all parts of the shell, due to the silicone prosthesis having a uniform thickness, increases the resistance to fatigue fracture, in order to maximize the safety and useful life of the silicone prosthesis and that controls the flow of the silicone at different angles, thus providing a round or anatomical type silicone prosthesis with an improved durability and a uniform thickness and for a method for manufacturing the silicone prosthesis by coating a silicone solution on a mold body having a shape of the pros silicone thesis and drying of the mold body (10) coated in a drying device to form a silicone shell (20), the method including a step of adjusting the thickness of silicone carried out so that a guide (51) is arranged in an internal space of the drying device (50) to fix the mold body (10), the mold body is fixed to the guide and the guide is kept in a level state and then moved by rotation and inclination at different angles to adjust evenly the thickness of the silicone shell (20) using the fluidity of the silicone.prótese de silicone do tipo redonda ou anatômica possuindo uma casca com durabilidade aprimorada e método para sua fabricação a presente invenção se relaciona a uma prótese de silicone incluindo uma casca de silicone (20), que possui uma textura superior e conforto quando implantada no corpo, minimiza a concentração de pressão, e que pode surgir ao utilizar por um longo tempo, eliminando a diferença nas características físicas e pressão em todas as partes da casca, devido à prótese de silicone possuindo uma espessura uniforme, aumenta a