Biomedical subjects
Publications and source records attributed to P Fellus.
Almost all the disorders seen in the mixed and adult dentitions were already present in the temporary dentition. We should ask ourselves what postural and dynamic role the tongue plays in defective development of the dental arches.
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Inadequate transverse development of the milk dentition alveolar arcade (Cauhepe-Fieux syndrome) may have important effects on the constitution of facial architecture and in the medium term require orthognathic surgery. The acquisition of dental arcade contact on deglutition is only possible after normalization of the dimensions of the arch of the palate. The recommended suture inducing prosthesis should obligatorily include intercalating molar plates designed to overcome inadequate occlusion during treatment (on average 9 months). Both stimulation of growth at the level of the intermaxillary suture in this age group, and the stability of the results obtained, have been demonstrated after a period of follow up of more than 10 years taking into account the cybernetic aspects of the studies carried out by Professor Petrovic.
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The spontaneous and therapeutic modifications of the mandibular angle suggest that the rotations of growth described by Björk are not inevitable but are due to lingual dysfunction, particularly involving the pharyngeal part. Adequate treatment can modify the widening and narrowing of this angle.
The morphological organisation of the face reflects the individual's social context and heredity and also reveal certain personality traits. Emotional facial expression is a very special form of communication. This functional and behavioural dynamic leads to the formation of a certain anatomical structure as a result of repetitive functions. The psychological examination of nineteen retrognathic patients and seven prognathic patients revealed the timid, inhibited of even anxious personality of the first group of patients in contrast with the extraverted and frequently aggressive personality of prognathic patients.
Lingual vascular malformations are usually benign, but have repercussions on the growth of the maxillo-mandibular unit in the child. The improvement in the vascular problems at puberty leads the authors to prefer a conservative form of treatment, hence the important role of embolization techniques. These techniques should be followed by the fitting of a lingual guide appliance, similar to the "mono-block" designed by Pierre Robin. This orthesis forces the child to modify incorrect movements due to the volume of the angiomatous tongue and gradually teaches him to automatize the new motor images created based on the dynamics of a virtually normal tongue, within the 6 months following embolization.
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The works of Paul Tessier, M.D., have shown the frequent association of facial and cranial clefts. After studying eleven cases of cleft palate which could be associated to encephalic anomalies, we conclude that we cannot systematize an evaluation by CAT-scan for low and isolated cleft palates. On the other hand, as soon as an association exists with: a psychomotor deficit (even slight); neurologic symptoms; a participation of the eye or the socket, the scanner evaluation becomes necessary.
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Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.
Explore the source record for details and available documents.