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News & Press: Dental News

Intraoral photographs

vendredi 25 janvier 2019   (0 Comments)
Posted by: Paola Pino
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Evaluating the importance of intraoral photograph reproducibility

A joint study from Universities in Austria, Denmark and Sweden has examined the importance of a reproducible shooting angle for clinical photographs.

When evaluating the aesthetic outcome of implant therapy, it is important to have clinical photographs which have been taken from a similar angle before and after implant placement. This allows for a better comparison of the outcomes and the initial situation. The purpose of this study was to assess the effect of shooting angle variation on measurements of pink and white tissues, as well as to assess a free-hand method of photographing the upper anterior region.

The study involved taking intraoral photographs from ten patients. 99 photos were taken per patient. This involved five-degree distortions in both horizontal and vertical directions and in every combination thereof. Subsequently, a series of free-hand intraoral photographs were taken; the first at baseline, then at three and six months. Linear and planimetric measurements of the photos were taken and six evaluators chose the best ‘match to baseline’ free-hand photographs.

The results showed that small distortions in the shooting angle (≤ 10°) did not cause a clinically relevant difference. When choosing the best ‘match to baseline’ photographs, there was little consensus among evaluators, though photographs with clinically relevant changes were not typically selected. The authors conclude that taking a series of free-hand intraoral photographs of the upper anterior region, then selecting the closest to baseline can prove highly comparable.

This study was presented as an e-poster at the 2018 EAO Congress.

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