Tag Archives: abutments

Predictable Implant Abutment Selection | New York, NY

Over the past decade, the dental profession has witnessed an influx of abutment designs and techniques. The promises of aesthetics, predictability, and ease, however, are seldom realized. The fact is that every tooth to be replaced has its own anatomy, gingival tissue contour, bone level, tissue tone, adjacent tooth, and other variables that are hardly “predictable”. One or two types of abutments cannot be used in case designs with predictable results. With the same abutments used on all cases, an aspect of treatment may be compromised (i.e., occlusion design, aesthetics, food impaction, or the presence of a black line on the tissue). Proper diagnosis for each tooth in each situation must be discussed with the surgeon and restorative dentist.

A proper waxup of critical areas (e.g., cement enamel junction levels, interproximal spaces, and available bone with or without augmentation procedures), may possibly provide an acceptable result. Four parameters have remained constant: the width of the implant, depth of tissue, angulation of placement, and clearance of the opposing arch for available material. These parameters enable clinicians to select the appropriate abutment.

Abutment selection, however, cannot be accomplished until the tissue has properly healed. In this new generation of implant prosthetics, every implant clinician must have a provisional abutment applicable for all cases, to aid in determining the shape of the tooth being restored, and the final abutment. In the aesthetic zone, during immediate restoration, the provisional abutment can help scallop the tissue and maintain the height of the gingiva. During delayed healing placement, zirconia abutments may be the next choice due to its warmer color tone.

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