Publications by authors named "Douver Michelon"

Article Synopsis
  • There is no standard treatment for patients with locally advanced head and neck squamous cell carcinoma (LA HNSCC) who cannot tolerate cisplatin-based therapies, prompting a systematic review for alternative options.
  • The review analyzed 24 studies involving 4,450 patients, finding that cetuximab combined with radiotherapy was the most common treatment, followed by carboplatin with radiotherapy, showing varied median overall survival rates.
  • The findings suggest a need for diverse treatment combinations and emphasize the necessity for more clinical studies to explore effective options for this patient group.
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The aim of this clinical report is to describe the successful treatment of a mandibular first molar presenting an extensive fracture at the buccal aspect in a young patient. The extension of the fracture was a negative prognostic factor for tooth maintenance. An alternative clinical treatment was proposed since the patient was young and presented with good oral hygiene and periodontal health.

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Objectives: The present study evaluated comparatively the surface roughness of four orthodontic band cements after storage in various solutions.

Material And Methods: Eight standardized cylinders were made from 4 materials: zinc phosphate cement (ZP), compomer (C), resin-modified glass ionomer cement (RMGIC) and resin cement (RC). Specimens were stored for 24 h in deionized water and immersed in saline (pH 7.

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Purpose: The aim of this study was to evaluate the solubility and the fluoride release of different materials used for orthodontic band cementation in different solutions and at different times.

Materials And Methods: Three materials were selected: Ultra Band-Lok (UBL); RelyX (RLX) and Ketac-Cem (KTC). Sixteen standard samples from each material were prepared, according to the manufacturers' instructions.

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