Dental Implant Connection With Multi-Section Screw For Alignment

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Solution Overview

Problem

Current dental implant systems face limitations in achieving optimal parallelism and alignment between implants due to non-parallelism issues, requiring additional components for angle correction and lacking a single connection solution that prevents unscrewing, especially for single tooth applications.

Innovation Solution

A dental implant connection featuring three external sections on the endosseous screw, including a torx-like anti-rotation section, a first cone section with a low inclination angle for single tooth coupling, and a second cone section with a higher inclination angle for multiple implant coupling, allowing versatile coupling without additional components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If additional components are installed to correct angles and achieve parallelism between implants, then alignment precision is improved, but device complexity increases

Engineering Contradiction:
Improvealignment precisionVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The connection element is divided into three distinct external sections with different geometric functions: a first section for angular correction, a second section for parallelism adjustment, and a third section for prosthetic coupling. This segmentation allows each section to perform its specific function independently, achieving precise alignment without requiring multiple separate components.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection element integrates multiple functions into a single component: it provides angular correction, parallelism adjustment, and prosthetic coupling capabilities all in one element. This multi-functional design eliminates the need for additional separate components while maintaining alignment precision.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If a single connection solution is used for both single tooth and multiple implant applications, then adaptability is improved, but coupling reliability deteriorates

Engineering Contradiction:
Improvecoupling versatilityVSAvoidcoupling reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

Different sections of the connection element have specialized geometric properties optimized for specific functions. The first and second sections have specific angular configurations for correction purposes, while the third section has geometry optimized for secure prosthetic coupling. This local optimization ensures that each part performs its function reliably while the whole system remains adaptable.

Inventive Principle:
Principle #3Local quality

3Reliability

If multiple separate components are used for angle correction and coupling, then coupling reliability is improved, but vertical encumbrance increases

Engineering Contradiction:
Improvecoupling reliabilityVSAvoidvertical encumbrance
Core Design Contradiction:
ReliabilityVSLength of moving object

Solution Approach 1:

The invention merges angle correction functionality and prosthetic coupling functionality into a single integrated connection element. By combining what would traditionally require separate components into one element, the vertical space requirement is reduced while maintaining the reliability of both functions through its multi-section design.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3659544B1Dental implants
Publication Date: 2022.06.01 I D I EVOLUTION
  • EP3659544B1 patent drawingFigure 1
  • EP3659544B1 patent drawingFigure 2~6

AI summary

A dental implants suitable for receiving prosthetic devices, wherein said dental implant comprises an endosseous screw (11) and an abutment (12), said endosseous screw (11) having at its free upper end three external sections with differentiated forms (14, 15, 16) for coupling within a cavity (17) of said abutment (12), wherein said three external sections (14, 15, 16) being arranged in succession, a first section being an anti-rotation section (14), followed by two overlapping cones or truncated cone defining the other sections.