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Results for “Periodontal Splints”

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At least 1,063 records · Page 59Linked to original sources
PubMed2001

Effect of enamel matrix derivative (EMDOGAIN) upon periodontal healing after replantation of permanent incisors in beagle dogs.

This study histologically assessed the effect of enamel matrix derivative (EMDOGAIN) on periodontal healing in re-implanted teeth in nine Beagle dogs. Incisors in dogs were re-implanted after 15, 30 and 60 min of dry storage with and without the application of EMDOGAIN. The pulps were removed in all teeth. In groups 1 and 2, dog teeth were splinted and the dogs sacrificed after 8 and 12 weeks, respectively. In group 3, dog teeth were not splinted and sacrifice took place after 12 weeks. The histological parameters studied were healed PDL, surface, inflammatory and replacement resorption. Univariable and multivariable analysis of data was performed. Increased incidence of healed PDL was inversely proportional to extraalveolar time. No significant differences were noticed between splinted and non-splinted teeth. The EMDOGAIN group showed a higher incidence of healed PDL, while controls showed a higher incidence of ankylosis. The effect of EMDOGAIN was more pronounced at the 12-week interval.

Analysis of Variance↗
PubMed1999

Occlusal treatments in temporomandibular disorders: a qualitative systematic review of randomized controlled trials.

Occlusal treatments (occlusal splints and occlusal adjustment) are controversial but widely used treatment methods for temporomandibular disorders (TMD). To investigate whether studies are in agreement with current clinical practices, a systematic review of randomized controlled trials (RCTs) of occlusal treatment studies from the period 1966 to March 1999 was undertaken. Eighteen studies met the inclusion criteria, 14 on splint therapy, and 4 on occlusal adjustment. The trials were scored using the quality scale presented by Antczak et al., 1986a (A.A. Antczak, J. Tang, T.C. Chalmers, Quality assessment of randomized control trials in dental research. I. Methods, J. Periodontal Res. 1986a;21:305-314). The overall quality of the trials was fairly low, the mean quality score was 0.43/1.00 (range 0.12-0.78). The most obvious methodological shortcomings were inadequate blinding, small sample sizes, short follow-up times, great diversity of outcome measures and numerous control treatments, some of unknown effectiveness. Splint therapy was found superior to 3, and comparable to 12 control treatments, and superior or comparable to 4 passive controls, respectively. Occlusal adjustment was found comparable to 2 and inferior to one control treatment and comparable to passive control in one study. Because of the methodological problems, only suggestive conclusions can be drawn. The use of occlusal splints may be of some benefit in the treatment of TMD. Evidence for the use of occlusal adjustment is lacking. There is an obvious need for well designed controlled studies to analyse the current clinical practices.

Humans↗
PubMed1996

Environmental effects on laser Doppler pulpal blood-flow measurements in man.

The increasing number of experiments using laser Doppler flowmetry in man for pulpal blood-flow recordings leads to questioning of the experimental recording conditions. The present study focused on three points: the design of the laser probe holder, the isolation of the tooth, and the influence of the recording site. A rigid polyurethane splint used in addition to different isolation devices (cotton roll, metal shield, rubber dam) was compared with a silicone splint. The silicone resulted in significantly higher values (+341%) than the polyurethane splint. The combination of the polyurethane splint with isolation devices decreased, in all cases, the flux values. The polyurethane/rubber-dam combination was the most efficient in individualizing the pulpal blood flow (-69% decrease). Recordings on non-vital teeth confirmed the hypothesis that there was periodontal contamination of the recorded flow, as the signal was abolished when using the polyurethane/rubber-dam combination. Cervical recording sites gave significantly higher values than occlusal sites (+42%). It is concluded that, in man, the part played by the periodontium may have been underestimated in previous recordings of pulpal blood flow. The use of a rubber dam in combination with a rigid splint to enhance the validity of recordings is proposed.

Dental Pulp↗
PubMed2003

Immediate occlusal loading of Brånemark TiUnite implants placed predominantly in soft bone: 1-year results of a prospective clinical study.

BACKGROUND: The original Brånemark protocol for dental implant treatment was based on submerged healing prior to loading. However, immediate loading has been reported possible with high success rates for various indications, provided that good bone quality and quantity are present. In many of these studies, machined-surface implants have been used. Recently, a new surface texture has been developed, based on an oxidation processing, that aims to enhance the early bone response (Brånemark System Mk IV TiUnite , Nobel Biocare AB, Gothenburg, Sweden). It has been documented that this surface texture may help to better maintain primary implant stability during the early healing period and that secondary implant stability can be reached earlier compared with results when using a machined surface. Such a positive influence on implant stability might be an advantage when applying an immediate-loading protocol, especially in soft bone regions where a tendency toward reduced success rates has been reported. PURPOSE: The aim of this report was to present the short-term success rates of TiUnite-surfaced immediate occlusally loaded Brånemark System Mk IV implants placed in various regions of the jaws. MATERIALS AND METHODS: Thirty-eight patients received a total of 51 prosthetic reconstructions, all of which were connected on the day the implants were inserted. Of these, 20 were single-tooth restorations, 30 were fixed partial dentures, and 1 was a complete fixed lower jaw restoration. These prostheses were supported by 102 Brånemark System Mk IV TiUnite implants (38 maxillary and 64 mandibular), the majority of which were placed in posterior regions (88%) and mainly in soft bone (76%). Cutting resistance measurements were performed during implant insertion, and resonance frequency measurements were conducted during the course of the study. Furthermore, radiographic examinations were performed in connection with the delivery of the prostheses and at the 1-, 6-, and 12-month follow-up visits. This article reports on the results after 1 year of loading. RESULTS: Three maxillary implants were removed, although stable, in one patient at the 8-week follow-up because of postoperative infection in the adjacent area of guided bone regeneration (GBR). This resulted in a cumulative success rate of the implants of 97.1% after 1 year of prosthetic loading. The mean marginal bone resorption after 1 year of loading was 1.2 +/- 0.9 mm (SD). CONCLUSIONS: The applied immediate loading protocol in combination with a slightly tapered implant and a modified implant surface texture was shown to be a successful treatment alternative even in regions exhibiting soft bone.

Adult↗
PubMed1991

The effect of citric acid treatment on periodontal healing after replantation of permanent teeth.

The aim of this study was to evaluate the effect of surface demineralization on the healing of 120 replanted teeth in fifteen 8- to 16-month-old dogs. Replanted teeth were divided into two groups (A and B). In group A, teeth were replanted following planing of the entire root surface. In group B, teeth were replanted following planing and surface demineralization with citric acid. Replanted teeth were splinted for 7 days, and observation periods were 3, 14 and 56 days. A total of 95 teeth and their surrounding tissues were examined histologically under a light microscope. Histological examination of specimens 3 days after replantation revealed that initial reunion between the root and the alveolar periodontal ligament fibres was via a fibrin-like network in both groups. Fourteen days after replantation histological observations showed superior healing in group B with regard to epithelial condition, periodontal ligament fibre reattachment to the root surface, resorption and functional arrangement of the periodontal ligament fibres. By 56 days after replantation, healing was superior in group A; group B was characterized by severe inflammatory and replacement resorption. These results indicated that surface demineralization had an initial positive effect, but later led to impaired healing.

Animals↗