Effect of wall thickness on shape accuracy of hollow zirconia artificial teeth fabricated by a 3D printer CONCLUSIONS: Acceptable accuracy was obtained for artificial teeth with wall thicknesses of at least 0.5 … ← Rationale, Design and Baseline Characteristics of a Randomized Controlled Trial of a Cardiovascular Quality Improvement Strategy in India: The C-QIP Trial 总统Biden退出2024年选举。我之前说过,评价美国总统最重要的指标legacy - 立法成功,Biden是一个非常成功的总统。从他退选看出他也保持了高风亮节。这两年看到... →