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An innovative method for manufacturing the Tuebingen palatal plate for infants with Robin sequence.

Abstract：

BACKGROUND:Robin sequence (RS) is characterized by mandibular micro- and retrognathia, glossoptosis, upper airway obstruction and optionally a cleft palate. With an incidence of 1:8000, it belongs to the so-called rare diseases; 30-50% of patients have RS as part of a syndrome. A comparatively well-studied treatment option is the Tuebingen Palatal Plate (TPP), which has proven effective in both, isolated and syndromic RS, but often requires multiple endoscopies for perfect fit and effectiveness. We report on a new method for fitting the TPP with only one session of nasopharyngeal endoscopy resulting in the plate being finished in one day. METHODS AND RESULTS:First, a prototype is produced, consisting of a traditional acrylic palatal part and a velar extension made of thermoplastic resin, usually measuring 10x40mm. Using polymerization, a scale is added to the posterior part of the extension to help with determining its optimal length during endoscopic evaluation. The extension is pre-bent in the dental laboratory to achieve an approximate shape. During endoscopy, the prototype can be adjusted to the infant's anatomy: first, the angulation is customized by controlled heating, bending and cooling of the thermoplastic spur. Second, the length of the spur is adapted by grinding its tip. Then the prototype is returned to the dental laboratory for completion; the final plate can be delivered to the patient on the same day. It acts by shifting the tongue into a more anterior position, thereby opening the airway and releasing upper airway obstruction, as well as by acting as a functional orthodontic appliance that stimulates mandibular growth through exerting pressure on the base of the tongue. CONCLUSIONS:With the thermoplastic spur presented here, a TPP can be produced within one day, requiring only one endoscopy. This approach may facilitate fabricating the TPP.

journal_name

BMC Pediatr

journal_title

BMC pediatrics

authors

Müller-Hagedorn S,Arand J,Scholz T,Poets CF,Wiechers C

doi

10.1186/s12887-020-2009-2

subject

Has Abstract

pub_date

2020-03-04 00:00:00

pages

103

issue

issn

1471-2431

pii

10.1186/s12887-020-2009-2

journal_volume

pub_type

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An innovative method for manufacturing the Tuebingen palatal plate for infants with Robin sequence.