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Внутренние шестигранные имплантаты

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FAQs

Internal hex implants offer several mechanical and prosthetic advantages, particularly in cases requiring higher stability and long-term predictability. Key benefits include: - Improved resistance to micromovement: The internal connection distributes occlusal forces more evenly within the implant body, reducing the risk of screw loosening and abutment rotation. - Enhanced anti-rotational stability: Internal hex connections often provide a deeper and more stable interface, crucial for single-unit restorations where rotational stability is essential. - Lower crestal bone stress: The internal joint moves the center of force apically, reducing stress concentration on the crestal bone and potentially improving marginal bone preservation. Clinical Tip: When dealing with limited interarch space or aesthetic zones, internal hex implants allow for a more compact prosthetic interface and better emergence profile control compared to external hex systems.

Precise fit at the implant-abutment junction is vital for preventing mechanical complications and biological failures. For internal hex implants: - Microgap minimization: A tighter connection helps reduce microbial leakage, which is associated with peri-implantitis. - Load transfer: Accurate seating ensures axial loading, preventing eccentric forces that can lead to screw loosening or component fracture. - Friction-fit stability: Internal hex implants with conical elements or morse taper hybrids improve seal and provide a platform-switching effect that helps preserve crestal bone. Practical Advice: Use torque-controlled drivers and verify abutment seating radiographically, especially in deep subgingival placements. Always match original or fully compatible components to maintain internal connection integrity.

Internal hex implants are preferred in various advanced cases, including: - Posterior regions with high occlusal load: Their superior mechanical stability helps manage functional stress. - Single-tooth restorations: Their anti-rotational design minimizes the risk of abutment loosening. - Esthetic zones: The internal connection allows better control over prosthetic contours and emergence profiles. - Limited interarch space: The compact abutment design makes internal hex systems ideal for reduced vertical space. Clinical Tip: In anterior immediate placements, choose internal hex implants with platform-switching and tapered body design to maximize primary stability and soft tissue support.

Even experienced clinicians may face issues such as misfit components or screw loosening if best practices are not followed. Common challenges include: - Improper seating: Bone or tissue interfering with abutment placement can create a pseudo-fit. Always clean and inspect the internal chamber before final torque. - Mismatched components: Using third-party parts without verified compatibility can compromise the connection and increase the risk of mechanical failure. - Over- or under-torquing: Both can lead to abutment instability. Use calibrated torque wrenches and follow manufacturer recommendations precisely. Practical Advice: Perform a reverse torque test during prosthetic seating to ensure mechanical engagement. In multi-unit cases, consider using a verification jig or intraoral scan body to ensure passive fit across the arch.

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