Mohamed Semir Belkhir

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Bleaching has been suggested by several authors in order to treat the unaesthetic aspect of dental fluorosis. Many results are, however, unsatisfactory. A different method, based on the structural characteristics of the fluorotic tooth and the organic and exogenous nature of fluorotic enamel stains, includes three principal stages: 1--enamel etching with(More)
We report a case of multiple dental traumas in a 15-year-old school boy who was hit by a stone. Clinical examinations revealed the avulsion of teeth 21, 22, and 23, an uncomplicated crown fracture of tooth 41, and a complicated crown fracture (CCF) of teeth 11, 31, and 33. An alveolar bone fracture and a root fracture in the apical third of tooth 23 were as(More)
This study compared the effectiveness of nine root-canal preparation techniques of fluorotic teeth. Seventy-three canal systems from 53 extracted human fluorotic teeth were instrumented. Pre-and postinstrumentation measurements were taken of the root canal systems in the cervical, middle and apical thirds; they proved the efficiency of the method using(More)
We report a case of a horizontal intra-alveolar root fracture between the middle and apical third of the upper right central incisor associated with an extrusive luxation of the coronal fragment, in a 24-year-old male patient. Twenty minutes after being accidentally hit by a metallic device, the patient's coronal portion was repositioned and splinted under(More)
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