J Dent Rehabil Appl Sci.  2020 Dec;36(4):211-221. 10.14368/jdras.2020.36.4.211.

Concept and application of implant connection systems: Part I. Placement and restoration of internal conical connection implant

Affiliations
  • 1Department of Prosthodontics and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University, Gangneung, Republic of Korea

Abstract

The typical biomechanical properties of an internal conical connection (ICC) are axial displacement and loss of preload. The axial displacement of an ICC without a vertical stop can cause the loss of preload and a lowered occlusion. The stress of an ICC is concentrated on the contact interface of the abutment and not on the screw, and during placement, it is important to choose a wider coronal wall thickness as much as possible. The ICC should also be placed below the level of the bone crest. During the restoration of an ICC, care should be taken to ensure an appropriate abutment shape and an accurate connection. To get the best clinical results, it is important to select its wall thickness and place it in the appropriate position to restore it adequately.

Keyword

internal conical connection; axial displacement; preload; restoration; placement
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