Abstract
Down syndrome (DS) or chromosome 21 trisomy is a genetically provided
human condition, it is a more common chromosomal
alteration in humans. The presence of the extra chromosome in the
genetic makeup determines specific physical characteristics in
the oral cavity, such as orofacial muscle hypotonia and lingual
protrusion. The aim of this paper is to describe the clinical case of
M.S patient, 11 months old, with Down syndrome, admitted to the
children’s clinic of UNOESC, accompanied by her mother. In the
clinical dental examination, the patient presents with Atresic palate,
hypotonia and lingual protrusion, in addition to insufficient lip
sealing, with indication for the use of the palatal memory plate (PPM)
or Castillo Morales, a device indicated for those associated
with functional diagnosis of hypotonia, with lingual protrusion, labial
hypotonia, open mouth and craniofacial malformation. PPM
promotes neuromuscular balance of the face and neck, and consequently
affects the movements of the head and body, has the
function of stimulating the tongue and upper lip and the development of
nasal breathing. The treatment sequence followed the
molding steps, making the model and, from there, the base plate was made
in acrylic resin with extension, for adaptation in the
child’s pacifier. After making the retentions on the lateral edges to
stimulate the musculature of the mucosa and upper lip, the
device was polished and adapted to the baby. It is intended that the
device cause lingual retraction to the oral cavity, movements of
stimulation of the lips and lip sealing. The recommended time for the
child to use the device initially is five to ten minutes twice or
three times a day, and as the child adapts to the device, the time of
use increases.
Keywords: Pediatric dentistry; patients with special needs; jaw orthopedics
Abbreviations: DS: Down Syndrome; PPM: Palatal Memory Plate DS: Down Syndrome; PPM: Palatal Memory Plate
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