[Permanent splinting with the use of electrolytic etching metal frame and resin cement].
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In 103 posttraumatic splints, later tooth mobility was measured with Periotest immediately before and after the routine splint removal. The splints were made of composite resin and an 0.017 X 0.025" orthodontic steel wire. 481 teeth were measured. A statistic evaluation revealed that the immobilisation effect did not exceed normal tooth firmness. Fixation to one neighbouring tooth had less effect than fixation to two. Adjacent tooth gaps reduced the effect. Splint extensions had no influence. With the use of the Periotest device, more than 50% of all teeth with a true mobility of 20 Periotest-units or more were detectable as mobile in spite of the fixed splint.
Avulsion is a serious injury which can cause damage to some or all of the dental and surrounding tissues. This study examined the profiles of teeth showing inflammatory resorption, in terms of time prior to reimplantation, contamination, pulp extirpation time and period of splinting and compared them to teeth without resorption. There were a total of 71 children in the present study (mean age 9.8 years, range 6-16 years) with a total of 84 reimplanted teeth. Inflammatory resorption was present in 22 teeth. There was a significant relationship between the presence of inflammatory resorption and the time the teeth were dry prior to reimplantation, with a lesser effect for total delay time. There were slightly later pulp extirpation times for teeth with inflammatory resorption, with median delays of 16 and 11 days respectively and increased inflammatory resorption in teeth extirpated at 20 days or later. Replacement resorption was present in 40 teeth. There was a significantly longer splinting time in teeth with replacement resorption and more resorption in teeth splinted for longer than 10 days. It was concluded that pulp extirpation time was not critical unless the delay exceeded 20 days and that splinting time should not exceed 10 days.
It is mandatory that the prosthodontic devices for the cleft palate patients not only prevent the relapse of the corrected arch and teeth by orthodontic and/or surgical intervention but also equilibrate the tooth-borne ability between the upper and the lower jaw. The purpose of this paper is to set up a criterion for the extension of the splint from the point of the tooth-borne ability. Four patients with unilateral cleft lip and palate were examined for the maximal biting force at the tooth adjacent to the cleft in each alveolar segment in the case of various extensions of the splints. The findings were as follows: 1. The maximal biting force increased significantly in every splint, compared with the non-splint. 2. The maximal biting force increased significantly in the splints where the neighbouring tooth in the same segment was involved, compared with that in the splints where only the tooth adjacent to the cleft was involved, even if the tooth in another segment increased in number for splinting. 3. The maximal biting force did not increase significantly in most splints where three teeth in the same segment were involved, compared with that in the splints where two teeth in that segment were involved.
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Sagittal fractures of the maxilla and palate are infrequent and can demonstrate significant instability with conventional methods of treatment. They require that rigid, horizontal stability of the dentition be obtained, as well as restoration of midface projection and height. The most effective and precise management has utilized a combination of open reduction and internal fixation at the piriform aperture and zygomatic buttress and posterior palate, use of a maxillary arch bar as a tension band, and utilization of a palatal splint.
Splinting teeth to each other allows weakened teeth to be supported by neighbouring teeth, although the procedure can make oral hygiene procedures difficult. Several methods for splinting teeth, both extracoronal and intracoronal, as well as the materials commonly used for splinting, are described and illustrated. Two case reports are used to demonstrate the situations in which splinting might be appropriate.
The authors, after discussing the general importance of the use of splints in parodontological therapy, give a detailed description of the manufacture of composite splints. The experience and results obtained after eighteen months of use of fifteen splints are discussed and compared with data reported in the international literature.
One of the elements of gyuing dentures suggested by the author is described in detail. It serves for redistribution of masticatory loading between natural teeth and can be used alone (for tooth splinting) and in combination with other elements of the proposed denture system (for orthodontic treatment of partial defects of dentition). The schemes of splinting and their biomechanics are described in detail. High reliability of the proposed design is emphasized.
Splints for the immobilization of dislocated teeth have been attached to teeth with the enamal-cauterization-cement technique for the last six years at the Innsbruck Hospital. Semicircular silica wires proved to be so satisfactory with 92 patients that this method has now replaced the traditional splinting methods at our hospital. The secondary advantages are the simple production of the splint, painless application and removal, and complete protection of the periodontium. Occlusal disturbances are avoided, because the splints do not cover any of the occluding tooth surfaces.
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61 splints made with the method AET strengthened with steel ligature used in uniting of loosened teeth in periodentopathies have been clinically evaluated. Splints from chemo-hardening materials were applied in 32 patients the observation period was from 5 to 10 years. Applying chemo-hardening materials 29 people had their teeth sutured and they were observed from 1 to 5 years. Mobility of splinted teeth, damage of the splint material, change of its colour and pain ailments connected with eventual splint damages and diseases of the pulp of the splinted teeth underwent evaluation. The long period of splints maintenance was the merit of the technology of making them and of the applied materials. In the observation period a little less mobility of teeth splinted in the case of application of light-hardening composites was observed. A greater number of mechanical damages and change of colour was noticed in splints from chemo-hardening materials. It was noticed that the applied materials are very helpful and safe in making splints uniting teeth with the damaged alveolodental ligament.
This article summarized the development of pre-impregnated, fiber-reinforced composites. Previous efforts with various reinforcement materials for splinting are cited. The benefits of pre-impregnation are explained. The clinical procedure for placing a fiber-reinforced composite splint is described.
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Lone standing splinted implant segments are accepted as optimal. However, in the treatment of partial edentulism, clinical reality often predicates the consideration of splinting teeth and implants due to variables of tooth/implant location and available bone support. This article presents a review on biomechanical aspects of splinting teeth and some considerations of splinting teeth and implants. A proposed classification of splinting applicable to both teeth and implants is presented as well as a discussion of the clinical aspects of splinting illustrated with clinical cases.
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