Digital vs. conventional implant impressions: efficiency outcomes

Clinical Oral Implants Research
Sang J Lee, German O Gallucci

Abstract

The aim of this pilot study was to evaluate the efficiency, difficulty and operator's preference of a digital impression compared with a conventional impression for single implant restorations. Thirty HSDM second year dental students performed conventional and digital implant impressions on a customized model presenting a single implant. The outcome of the impressions was evaluated under an acceptance criteria and the need for retake/rescan was decided. The efficiency of both impression techniques was evaluated by measuring the preparation, working, and retake/scan time (m/s) and the number of retakes/rescans. Participants' perception on the level of difficulty for the both impressions was assessed with a visual analogue scale (VAS) questionnaire. Multiple questionnaires were obtained to assess the participants' perception on preference, effectiveness and proficiency. Mean total treatment time was of 24:42 m/s for conventional and 12:29 m/s for digital impressions (P < 0.001). Mean preparation time was of 4:42 m/s for conventional and 3:35 m/s for digital impressions (P < 0.001). Mean working time including retakes/rescans demanded 20:00 m/s for conventional vs. 8:54 m/s for digital impression (P < 0.001). On a 0-100 VAS scale,...Continue Reading

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Citations

Nov 12, 2013·The Journal of Prosthetic Dentistry·Frank S AndriessenDaniel W Wismeijer
Sep 4, 2013·The Journal of Prosthetic Dentistry·Sang J LeeGerman O Gallucci
Nov 1, 2016·Clinical Oral Implants Research·Cristina Corominas-DelgadoSantiago Costa-Palau
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