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Evaluation of retroauricular skin mobility for bone-anchored solutions

Published online by Cambridge University Press:  05 September 2018

M Wróbel ,
P Sobolewski ,
G Greczka  and
W Gawęcki
M Wróbel*
Affiliation:
Department of Otolaryngology and Laryngological Oncology, Poznan University of Medical Sciences, Warsaw, Poland
P Sobolewski
Affiliation:
Dermatology Department, Centre of Postgraduate Medical Education, Warsaw, Poland
G Greczka
Affiliation:
Department of Otolaryngology and Laryngological Oncology, Poznan University of Medical Sciences, Warsaw, Poland
W Gawęcki
Affiliation:
Department of Otolaryngology and Laryngological Oncology, Poznan University of Medical Sciences, Warsaw, Poland
*
Author for correspondence: Mr Maciej Wróbel, ul. Przybyszewskiego 49, 60–355 Poznań, Poland E-mail: [email protected] Fax: +48 61 8691 690
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Abstract

Background

A subset of patients with bone-anchored hearing aids develop skin reactions that may be related to excess skin mobility around the skin-penetrating abutments. However, there is a lack of reports on the extent of skin mobility within the retroauricular space, typical for the implant location.

Methods

This study was based on photographic analysis of the relative shifts between the skull and soft tissue of the head in the retroauricular region, detected under the physiological conditions of head support and facial muscle contraction.

Results

The mean calculated value for skin shifts at the implant site was 5.1 mm. In 84 per cent of cases, the extent of skin shift was greater with the head at rest, by an average of 3.1 mm. The extent of skin movement during facial muscle contraction ranged between 0 mm and 8.9 mm. No direct correlations were detected between the extent and direction of skin shifts and patients’ age, gender or body mass index.

Conclusion

There are no objective data that can predict individual skin movement at the osseointegrated implant site. The study confirmed high variability in terms of the direction and extent of skin shift, which should be discussed when managing related skin problems.

Keywords

SkullOsseointegrationSkinMuscle ContractionBone Conduction
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 132 , Issue 9 , September 2018 , pp. 802 - 806
Copyright
Copyright © JLO (1984) Limited, 2018 

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Footnotes

Mr M Wróbel takes responsibility for the integrity of the content of the paper

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