Development of a poly-L-lactide salivary duct stent.

Abstract:

:Obstructive salivary gland diseases are common conditions that arise following the disruption of the secretary ductal system and usually results in the swelling and pain of the affected gland(s). There has been an increase in the use of sialendoscopy for the treatment and diagnosis of obstructive salivary gland infection. If damage occurs to a duct or papilla following sialendoscopy, a stent may be necessary to prevent restenosis and for maintaining the salivary duct open after complete sialendoscopy. Currently, there are only non-biodegradable salivary duct stents available. The aim of the current study was to establish a methodology for the fabrication of a biodegradable poly-L-lactide (PLLA) salivary duct stent and to examine its function in an animal model. In the current study, PLLA was used to fabricate a salivary duct stent, which was compared with other commercially available non-biodegradable products. The mechanical tests revealed that the tensile strength of the PLLA stent was similar to that of the commercially available non-biodegradable stents. The Young's modulus, which measures the stiffness of a solid material, was significantly higher for the PLLA stent compared with the commercially available non-biodegradable stents. In addition, the current study demonstrated that the PLLA salivary duct stent was easily used with current sialendoscopy techniques, allowing accurate stent placement in an animal model.

journal_name

Exp Ther Med

authors

Ding YF,Tseng H,Su CH,Tai CC,Wu YY,Haung CJ,Lee CS,Hung SH

doi

10.3892/etm.2019.7308

subject

Has Abstract

pub_date

2019-04-01 00:00:00

pages

2907-2912

issue

4

eissn

1792-0981

issn

1792-1015

pii

ETM-0-0-7308

journal_volume

17

pub_type

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