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Case Report



Cone-beam Computed Tomography in a single implant-supported crown

Hendrick Jacob, Mathew Varghese.




Abstract
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Screw retained implant are advantageous when the existing vertical height of the natural teeth is less, and in terms of their dependence on the surface area, they are based on the principle of retention using screws. Immaculate placement of the implant fixture for screw-retained implant has been enhanced with the development of cone-beam computed tomography (CBCT). We present a case of a young adult with a missing mandibular left first molar that utilized CBCT for diagnostic evaluation. Precise implant location was enhanced by knowing distortion less radiographic analysis that allowed the clinicians to determine accurate implant length and width. The relation of critical anatomical landmarks in and around the region of the posterior mandible was also accurately located using CBCT. Stage one surgery included placement of an implant fixture followed by a stage 2 surgery after a period of four months. Placement of a healing cap for one week was followed by the fabrication of porcelain fused to the single metal crown which was screwed to the implant fixture using a screw.

Key words: orthopantomography, crown, dental implant, radiographic distortion, screw implants






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