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Results for “MAXILLOFACIAL DEVELOPMENT”

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At least 19 recordsLinked to original sources
PubMed1994

Effects of primary alveolar bone grafting on maxillofacial development in the rabbit.

Unilateral maxillary clefts were created in 4-week-old rabbits by removing premaxillary-maxillary sutures. Four groups, five animals per group, were formed. Control animals (Group I, no clefts) helped determine normal values for facial growth. In Group II the clefts were unrepaired. In Group III each had a rib graft harvested and placed into the alveolar defect only. In Group IV the cleft was completely grafted with multiple ribs to the nose. At six months postoperatively skeletons of all animals were directly measured and an orthogonal coordinate analysis compared maxillary and palatal growth among groups. Greatest deviations in growth were seen when the entire cleft was grafted; shortened maxillary development and nasal deflection to the clefted side occurred. Unrepaired clefts and grafts limited to the alveolus had maxillofacial development similar to that in unoperated controls. The location of grafts in clefts in infancy appears critical to avoid retarded maxillary growth.

Alveolar Process↗
PubMed1985

Oro-maxillofacial development in patients with Turner's syndrome.

Detailed oro-maxillofacial studies using dental casts, pantomograms and cephalograms were performed in 28 patients with Turner's syndrome and compared statistically to the results from 23 normal short children. Small tooth crown size, short tooth roots and advanced dental age were characteristic of patients with Turner's syndrome. However, the incidence of peg shaped teeth, malocclusion, high arched palate and congenital anodontia were not characteristic of patients with Turner's syndrome. The coronal arch width (C.A.W.) and basal arch width (B.A.W.) were greater and the coronal arch length (C.A.L.) and basal arch length (B.A.L.) were less in patient's with Turner's syndrome. These data indicate underdevelopment of the maxilla in the forward direction forming the wide-, flat-shaped facial characteristic of patients with Turner's syndrome.

Adolescent↗
PubMed1986

Oro-maxillofacial development in patients with GH deficiency and in normal short children.

Detailed oro-maxillofacial studies using dental cast, pantomogram and cephalogram were performed in 43 patients with GH deficiency aged 7-17 years and compared statistically to the results from 62 short children with normal GH secretion. The dental age was retarded as compared to the chronological age in patients with GH deficiency by a mean of 2.0 +/- 1.3 years. This value did not differ statistically from that observed in normal short children (1.7 +/- 0.8 years). However the bone age was significantly retarded in patients with GH deficiency (3.2 +/- 1.7 yrs vs 1.5 +/- 1.1 yrs, p less than 0.001). There was no difference between tooth size or cephalogram analysis results in the children in the two groups. The coronal arch length, basal arch width and basal arch length were shorter in patients with GH deficiency. These data indicate underdevelopment of the maxilla in patients with GH deficiency.

Adolescent↗
PubMedDate not supplied

Effects of cancer therapy on dental and maxillofacial development in children: report of case.

Malignant lymphoma is one of the most common hematological diseases of children. The prognosis is fairly good with multimodal cancer therapy. We reported a boy with Burkitt's lymphoma in the nasal cavity who received chemotherapy and irradiation of the head and neck area at four years of age. During seven years of follow-up, we studied the developmental effects of cancer therapy, including general growth, maxillofacial bones, and dentition. Compared with boys of matching age, the development of his entire body and maxillofacial bones was delayed. In the irradiated areas, the roots of teeth were short or poorly developed and the root apices showed premature closure. After the patient was in remission from the tumor in his early childhood, the long-term effects of cancer therapy on dental and maxillofacial development are worth our further evaluation and follow-up.

Antineoplastic Combined Chemotherapy Protocols↗
PubMed1979

[Tasks of pedodontics from the viewpoint of maxillofacial development].

Out of every 100 children, only two to four develop a set of teeth which is free of disturbances. Eugnathia is common, but the condition does not require orthodontic treatment. The beginning stages of maldevelopment may be overlooked if the parents do not take their children to the dentist regularly. The consequences of premature teeth loss for the first and particularly the second dentition may be considerable; the sensitive development of dentition may be disturbed. Maldevelopment in the mixed dentition period however may be the cause of early space loss. If lack of space is severe, the neighboring deciduous teeth are also forced out by the cause of early space loss. If lack of space is severe, the neighboring deciduous teeth are also forced out by the erupting teeth. On the one hand, this loss tends to increase the lack of space and therefore all the detrimental consequences. Dental care of children requires the knowledge necessary to directly establish and immediately correct incipient disturbances in development in addition to the recognition and treatment of diseases of the teeth and the periodontium.

Child↗
PubMed2001

The scientific development of maxillofacial surgery in the 20th century and an outlook into the future.

Maxillofacial surgery is a relatively young speciality of medicine and it was not established as an organized specialty until the second half of the 20th century. At first it was supported by general surgeons with particular interest in this field, and also by inspired, extremely talented dentists. During the past few years modern techniques have brought decisive progress also in maxillofacial surgery, leading to rapid further development of diagnostic and therapeutic possibilities. The development of our specialty in the past century is discussed on the four main points of our scope, traumatology, orthognathic, cleft and tumour surgery.Considering the future prospects of our specialty one should realize that in the near future maxillofacial surgery will also be influenced by further medical-technical progress in the field of micro-robots, by percutaneous endoscopic techniques and by minimal invasive or laser surgery.Basic research will also cause a more profound change in our specialty, especially in the field of tumour therapy. Molecular biological research shows some good signs, which could already be transmitted to the prevention, diagnosis and also the therapy of tumours. In the field of tissue transplantation it is no longer utopia that autogenous tissue sampling can be almost completely be avoided. By further developing 'tissue engineering' it will be possible to cultivate bones as well as soft tissue with the aid of gene technology and transplant them into the face using relevant carrier substances. Altogether, the complexity of maxillofacial surgery in the coming century will increase, necessitating the best and widely trained maxillofacial surgeons for successful accomplishment. Copyright 2001 European Association for Cranio-Maxillofacial Surgery.

Journal Article↗