Style Selection: - A: 4x Magnified Implant Dentistry Dissection Model; B: 4x Magnified Dental Caries Progression Dissection Model Material - Made of high quality resin and metal, this Analysis Crown Bridge Demonstration Model is not only environmentally friendly but also durable, ensuring long-term educational and demonstrative use Removable - The 4X Implant Demonstration Model is Equipped with a removable crown cross-section, the model allows for the removal of all three crowns, and the abutment can be unscrewed Professional - With the 4X Implant Demonstration Model, users gain a thorough understanding of how dental implants work, making it easier to convey important information to patients and improve their overall dental knowledge Widely Used - School teaching, learning, researching display tool and lab ornament supplies. Great for Schools, hospitals, visual aids in physical health teaching. Really a great teaching aid for anatomy and physiology courses; and also a great human teeth model for kids learning