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Biomedical subjects

I T Jackson

Publications and source records attributed to I T Jackson.

At least 199 records · Page 11Linked to original sources

Bone marrow grafting in the secondary closure of alveolar-palatal defects in children.

The material presented in this paper is a preliminary report on the use of bone marrow grafting in the secondary closure of alveolar palatal defects in young children with mixed dentition. A group of patients is presented in whom successful closure of an alveolar fistula was achieved with improvement of the eruption pattern of the teeth adjacent to the cleft due to new bone formation that allowed early orthodontic alignment. The concept of the formation of a dynamic growing bone from bone marrow grafting is discussed.

Alveoloplasty↗

The anatomy of the philtrum: observations made on dissections in the normal lip.

Cadaver dissections and histological studies were performed on the philtral region of eight adults and four foetal lips to elucidate the detailed anatomy of the orbicularis oris muscle in the intact normal lip. The findings are correlated with clinical observations on lip function and modifications of technique are suggested that might improve the results in cleft lip repair.

Adult↗

Total surgical management of Binder's syndrome.

Binder's syndrome consists of nasomaxillary hypoplasia with a characteristic nasal deformity. Occlusion may be normal or class III. The cephalometric appearances are almost characteristic. The Le Fort II osteotomy is ideal for correcting the problem, though initial results were not entirely satisfactory because of incomplete correction of the nasal deformity. Over the past few years the periosteum of the floor and lateral walls of the pyriform cavity has been widely dissected to obtain adequate nasal advancement. The alar base, nostril sill, and nasal spine area have been selectively augmented with carved bone or cartilage grafts. Lengthening of the columella has been achieved by advancement of bilateral nostril sill flaps into the columella. Advancement of the maxilla with a previously normal occlusion may require orthodontic treatment, either preoperatively or postoperatively, to ensure normal occlusion. The authors have treated 26 patients with this condition over the last ten years.

Humans↗

Perichondrial grafting in rheumatoid metacarpophalangeal joints.

A pilot study of perichondrial grafting in rheumatoid metacarpophalangeal joints is presented. Eighteen separate joints have been grafted with a mean follow-up time of eighteen months. Results and indications for this method of joint reconstruction in rheumatoid patients are discussed.

Arthritis, Rheumatoid↗

The sandwich Abbe flap in sceondary cleft lip deformity.

The history and use of the Abbe flap in the correction of secondary cleft lip deformity is outlined. A modification, the sandwich Abbe flap, is presented and its advantages are described from a cosmetic and functional standpoint. An extension of this method is also used in the revision of unsatisfactory conventional Abbe flap results.

Cleft Lip↗

The use of proplast in oral and maxillo-facial surgery.

The use of Proplast in the restoration of contour defects and for reconstruction of alveolar ridges is described. An evaluation of the results of treatment suggests it is a useful material for the restoration of facial contour, but that there is a significant risk of infection when the intra-oral approach is adopted.

Alveoloplasty↗

Combined report of problems and complications in 793 craniofacial operations.

We report the experiences in 6 major craniofacial centers, with similar teams but in different parts of the world, in a total of 793 craniofacial operations. The mortality rate was 1.6%. Complications developed in 16.5% of the cases (including infections in 4.4%). This surgery has many potential advantages, not least of which is its psychosocial effects on previously disfigured patients. Certain problems seem inherent, however, for there are not yet any satisfactory solutions to them. Some of the factors that reduce morbidity and improve results include the use of hypotensive anesthesia, a reduction in operating time, rigid stabilization of the mobilized bones at the end of the operation, a diminution in the number of incisions, and extensive antibiotic therapy.

Adult↗

The removal of amateur tattoos by salabrasion.

Due to the recent upsurge in self-inflicted tattoos in teenagers it was decided to employ for their removal the method of salabrasion, i.e. abrasion with table salt. This technique was recently used by Manchester (1973, 1974) for the removal of commercial tattoos. Fourteen patients with twenty-eight tattoo or only tiny flecks of pigment remaining visible; eleven showed a fair response, i.e. the tatoo, although much lighter in colour, was still legible but the patient was satisfied with the result; three showed a poor response, i.e. the tattoo appeared as if untreated; four (two patients) defaulted. In general, as could be expected, the darker the tattoo the more difficult was its removal and those on fingers were particularly resistant.

Administration, Topical↗

Nasal reconstruction and lengthening with local flaps.

A technique for nasal lengthening is described in 3 cases using nasolabial flaps for lining and an island forehead flap for skin reconstruction. It is basically a 2-stage procedure with short hospitalisation.

Adolescent↗