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Results for “PLASTER CASTS”

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At least 1,621 records · Page 90Linked to original sources
PubMed1984

Fracture of the head of the radius treated by elbow cast.

The management of fractures of the radial head is still a controversial subject. Fifty cases of radial head fractures have been treated by conservative means. These cases were immobilized in a plaster Paris cylinder cast for 3 weeks to restrict the movement of flexion and extension at the elbow, while encouraging supination and pronation movements from the very beginning. The cases have been evaluated and 43/50 have shown excellent results.

Biomechanical Phenomena↗
PubMed2001

Focused rigidity casting: a prospective randomised study.

Focused rigidity casting was compared with standard casting in a randomised prospective study. Two hundred consecutive patients attending a fracture clinic were assigned to have either a standard cast consisting of synthetic or plaster of paris, or a focused rigidity cast of synthetic material. Patients were assessed using a specially developed scoring system termed the Bradford Plaster Index. In patients with fractures of the base of fifth metatarsal, focused rigidity casting proved superior to traditional techniques for ability score (p=0.0001), satisfaction score (p=0.0023), overall impairment of function (p=0.019), limitation of movement following cast removal (p=0.024) and in limitation of muscle strength following cast removal (p=0.001). In fractures of the distal radius, focused rigidity casting was superior for ability score (p=0.0002) and satisfaction score (p=0.00009). Patients with scaphoid fractures were better for satisfaction score (p=0.0483). Compared with the standard technique, focused rigidity casting has been shown to be superior to traditional methods with regard to satisfaction and functional scores without any detriment to clinical results.

Ankle Injuries↗
PubMed1976

[Results of experimental studies on new materials for dental models].

Newly developed cast materials (special stone plaster and plastic materials for single-stump casts) were tested for their setting behaviour and strength, their ability to reproduce fine-profiled surfaces and, in combination with standarized silicone impressions, for their dimensional behavior. With reference to the authors' experience, the suitability of these materials for making casts is critically evaluated.

Biophysical Phenomena↗
PubMed1982

Colles' fractures treated by plaster and polyurethane braces: a controlled clinical study.

In a prospective randomized controlled trial polyurethane casts and traditional plaster-of-Paris braces were compared in 46 cases of Colles' fractures of the forearm. Secondary fracture dislocation, subjective inconveniences, and the need for secondary adjustment of the cast were recorded. No significant difference was observed in the two groups. In comparison with plaster the synthetic bandage is lighter, water repellent, and hardens faster, and as far as circular bandages are concerned, they have zippers. It is concluded that polyurethane braces are a good supplement to plaster-of-Paris bandage in such fractures and recommended in selected cases.

Adolescent↗
PubMed2005

Sand-casting technique for trans-tibial prostheses.

A sand-casting technique for trans-tibial sockets was applied to 28 amputees, and the prosthetic fit observed through transparent check sockets. The results were better than historical reports of fittings with plaster of Paris casting by qualified prosthetists. The fit was consistently and evenly larger than the stump, but total contact could be achieved by applying three (two to five) stump socks. This would normally be considered on the high side of a good fit.

Adult↗
PubMedDate not supplied

[Documentation file of orthodontic clinical records. Plaster study models. 3].

Cast models are to be considered a basic element of analysis in orthodontics. This work aims at describing the various operating phases which are necessary for obtaining successful results when preparing these diagnostic records. In fact the various steps are concurrently shown developing from the initial impressions to the polishing and final labelling especially emphasizing Tweeds' trimming method.

Calcium Sulfate↗
PubMed2003

CIR sand casting system for trans-tibial socket.

The authors have developed a trans-tibial socket fabrication system based on the "dilatancy" principle, a process that has been commonly used in forming wheelchair Seating. The CIR Sand Casting System replaces plaster of Paris with sand for forming both a negative sand mould and a positive sand model, which can be modified for either thermoplastic socket formation or resin lamination. Initial clinical trials suggest that fabrication times are approximately 90 minutes from patient evaluation and casting to dynamic alignment. Compatibility with all existing prosthetic components is retained. It is believed the CIR socket fabrication system may be a competitive alternative for prosthetic service providers in developing countries.

Amputation, Surgical↗
PubMed1999

[Evaluation of the effect of plastic casts from the aspect of prevention of thromboembolic disease].

Immobilization after trauma escalates risk of thrombosis. Our objective was to determine whether there is a difference in rates of deep vein thrombosis (DVT) after immobilization with plastic casts or routinely plaster of Paris in trauma patients. Despite both groups of patients do not show difference in blood coagulation tests (APTT, TT, PT, levels of fibrinogen and of D-dimer in plasma) during time of immobilization the evidence of DVT according to scintigraphy was lower in group of patients with plastic casts (3 per cent to 10 per cent).

Adolescent↗
PubMed2004

A variation on split-cast mounting for complete denture construction.

This article describes a variation of the split-cast mounting technique wherein the border of the definitive cast is wrapped with masking tape to form a container for the dental plaster normally used to affix the cast to the articulator. The entire inferior surface of the cast is coated with a thin film of petroleum jelly, and the cast is mounted in the articulator. After the dental plaster has set, the cast is retained by means of the masking tape. The cast is separated from the dental plaster simply by removing the masking tape.

Adhesives↗
PubMed1985

Muscle devitalization in high-energy missile wounds, and its dependence on energy transfer.

Relations between the energy transferred by a high-velocity missile along a wound channel and the ensuing tissue destruction were studied in 25 live, anesthetized pigs. They were wounded in the muscular parts of the hind legs by an assault rifle bullet or by a spherical steel ball at about 1,000 m/s. The penetration of the assault rifle bullets was recorded by a stereo, multichannel flash X-ray arrangement. The energy transfer in the wound was evaluated from the X-rays. The wounds were surgically debrided in sections by a skilled surgeon. The energy transfer of the spherical steel bullets was measured. These animals had the thigh surrounded with a plaster of Paris cast, in order to suppress, as far as possible, the formation of the temporary cavity. The wounds were debrided. The amounts of tissue debrided were weighed and utilized as a measure of the extent of the injury. Good and consistent correlations between energy transfer and tissue debridement were obtained for the wound types studied. The amount of tissue debrided diminished by about 40% for the plaster-covered animals. Influence of boundary effects could be studied, and the results give indications of the mechanisms of missile wounding.

Animals↗