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20건 · 최신순-
Adipofascial Infragluteal Perforator Flap for Total Parotidectomy Reconstruction: A Novel Application for Inconspicuous Donor and Recipient Site-Preliminary Results.
Defects following total parotidectomy represent a distinctive reconstructive challenge. Restoration of facial volume and contour must be balanced with protection of the preserved facial nerve and reliable healing, particularly after extensi…
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Biochemical Variability of Nasal Cartilages: Implications in Functional Rhinoplasty.
[INTRODUCTION] Nasal valve compromise is a common issue for patients presenting to an otolaryngologist. Anatomically, the dorsal septal cartilage (DSA) articulates with the upper lateral nasal cartilage (ULC). When the ULC weakens, it is pr…
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Botulinum Toxin Injection to Treat Masticatory Movement Disorder Corrected Mandibular Asymmetry in a Growing Patient.
An 8-year-old girl with masticatory movement disorder received botulinum toxin-A (BTX-A) injection and orthodontic treatment. She showed facial asymmetry with right masseter muscle hyperplasia. After BTX-A injection combined with orthodonti…
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Botulinum toxin-A injection into the anterior belly of the digastric muscle for the prevention of post-operative open bite in class II malocclusions: a case report and literature review.
[BACKGROUND] Class II malocclusion patients with hyperdivergent facial types are characterized by short mandibular body lengths and anterior open bite. Accordingly, the treatment for hyperdivergent skeletal class II malocclusion is a length…
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Botulinum toxin A injection into the anterior belly of the digastric muscle increased the posterior width of the maxillary arch in developing rats.
[BACKGROUND] The purpose of this study was to evaluate the effects of botulinum toxin A (BTX) injection into the anterior belly of the digastric muscle on a growing rat. [METHODS] Ten Sprague Dawley rats were used in this study. When the r…
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Correction of Malocclusion by Botulinum Neurotoxin Injection into Masticatory Muscles.
Botulinum toxin (BTX) is a neurotoxin, and its injection in masticatory muscles induces muscle weakness and paralysis. This paralytic effect of BTX induces growth retardation of the maxillofacial bones, changes in dental eruption and occlus…
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Effect of the masseter muscle injection of botulinum toxin A on the mandibular bone growth of developmental rats.
[BACKGROUND] The objective of this study was to evaluate the influence of masticatory muscle injection of botulinum toxin type A (BTX-A) on the growth of the mandibular bone in vivo. [METHODS] Eleven Sprague-Dawley rats were used, and BTX-…
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The effect of botulinum toxin-A injection into the masseter muscles on prevention of plate fracture and post-operative relapse in patients receiving orthognathic surgery.
[BACKGROUND] Botulinum toxin-A (BTX-A) injection into muscle reduces muscular power and may prevent post-operative complication after orthognathic surgery. The purpose of this study was (1) to evaluate BTX-A injection into the masseter musc…
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Botulinum Toxin Conjugated With Silk Fibroin and 4-Hexylresorcinol.
[PURPOSE] The objective of this study was to evaluate whether silk fibroin (SF) incorporated into 4-hexylresorcinol (4HR) could increase botulinum toxin-A (BTX-A) activity. [MATERIAL AND METHODS] In total, 30 rats were used for this study.…
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Apoptotic action of botulinum toxin on masseter muscle in rats: early and late changes in the expression of molecular markers.
The purpose of this study was to compare the early or late expression levels of p65, Bcl-2, and type II myosin and the frequency of TUNEL-positive nuclei in the rat masseter muscle after injection of different concentrations of botulinum to…
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S100 and p65 expression are increased in the masseter muscle after botulinum toxin-A injection.
[BACKGROUND] The purpose of this study was to compare the expression levels of p65 and S100 in the rat masseter muscle after the injection of different concentrations of botulinum toxin-A (BTX-A). [METHODS] We injected either 5 or 10 U of …
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Effects of a botulinum toxin type A injection on the masseter muscle: An animal model study.
[BACKGROUND] The aim of this study was to investigate the effect of a botulinum toxin type A (BTX-A) injection in the masseter muscle using electromyography (EMG) in an animal model. [METHODS] Ten male adult (>3 months of age) New Zealand …
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Early effect of Botox-A injection into the masseter muscle of rats: functional and histological evaluation.
[BACKGROUND] The purpose of this study was to evaluate the change of food intake after different dosages of botulinum toxin A (BTX) injection in the animal model. Additionally, the dimensional and histological change at 14 days after BTX in…
- Salvage of nasal skin in a case of venous compromise after hyaluronic acid filler injection using prostaglandin E.
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Altered sensation after orthognathic surgery.
[PURPOSE] The purpose of this study was to evaluate the natural recovery of neurologic injury after orthognathic surgery based on subjective neurologic evaluation. [PATIENTS AND METHODS] From December 2007 through June 2008, 47 patients (2…
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Comparison of genioplasty using Medpor and osteotomy.
[OBJECTIVE] This retrospective study compared genioplasty using Medpor with osteotomy by measuring the amount of anteroposterior change in hard and soft tissue. [STUDY DESIGN] Thirty-three patients who underwent mentum augmentation and who…
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Analysis of soft tissue changes after genioplasty in skeletal class III dentofacial deformity.
[PURPOSE] The purpose of this study was to measure the anteroinferior changes and the degree of vertical changes to facilitate the prediction of treatment outcome in patients undergoing genioplasty only, genioplasty with bilateral sagittal …
- Unfavorable findings following breast augmentation using injected polyacrylamide hydrogel.
- A simple technique for reduction gonioplasty.
- Unusual complication after genioplasty.