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Results for “Occlusal Splints”

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At least 1,639 records · Page 91Linked to original sources
PubMed2005

Maxillary tooth splinting in periodontally compromised patients using fiber-reinforced composite: the Targis-Vectris method.

AIM: To show the Targis-Vectris retention technique, illustrating its features and clinical applications in periodontally compromised patients. METHODS: The Targis-Vectris technique is constituted by an esthetic external layer (Targis) combined with and supported by a metal-free structure (Vectris). An adult female with a full Class II malocclusion and compromised periodontal condition with significant bone loss on the maxillary central incisor was treated. Before debonding, a fiber-reinforced splint was placed on the palatal surface of the maxillary anterior teeth, using the Targis-Vectris method, to permit long-term stability. The final result remained stable at 5 years posttreatment. RESULTS: The correction of the Class II malocclusion took 24 months. The Targis-Vectris method ensured maintenance of tooth position and periodontal condition. CONCLUSION: The Targis-Vectris technique represents a useful procedure for splinting maxillary teeth in selected periodontally compromised patients. The 5-year posttreatment follow-up visit showed no relapse. Correct occlusal relationships are necessary to reduce the risk of breakage.

Adult↗
PubMed1988

Use of a two-piece Gunning splint as a mandibular guide appliance for a patient treated for ameloblastoma.

Prosthodontic restoration in edentulous patients who have undergone hemisection of the mandible is difficult because of the instability of the mandible after resection and the lack of teeth necessary for successful retention of a guidance appliance. Successful prosthodontic restoration was accomplished through the use of a two-piece Gunning splint both for intermaxillary fixation and as a guidance appliance in an edentulous patient who underwent a hemisection of the mandible subsequent to treatment for an ameloblastoma. Because mandibular guidance therapy is most successful in patients whose resection involves only bony structures with minimal loss of soft tissue and no radical neck dissection or radiation therapy, the patient treated for ameloblastoma is an ideal candidate for the use of a two-piece Gunning splint for intermaxillary fixation and mandibular guidance therapy.

Ameloblastoma↗
PubMed1977

Lack of effect of trauma from occlusion on the recurrence of experimental periodontitis.

The experiments were performed in 15 dogs fed a diet which allowed dental plaque accumulation. A phase of experimental periodontal breakdown was initiated on day 0. After 210 days five dogs were sacrificed. In the remaining 10 dogs the periodontal pockets around the fourth lower premolars (4P and P4) were eliminated. During surgery a notch was prepared in the root at the level of the marginal termination of the alveolar bone in order to facilitate measurements in histological sections. From day 210 to day 450 the teeth of the animals were brushed twice daily. After 60 days of healing, i.e. on day 270, five of the dogs were sacrificed. Trauma from occlusion of the jiggling type was on day 270 produced in the P4 region of the remaining dogs by the installation of a cap splint and a bar device. The final five dogs were sacrificed on day 450. Following sacrifice, tissue sections comprising 3P, 4P, 1M and P3, P4, M1 were produced and subjected to microscopic analysis. The experiments revealed that, in the dog, forces produced by occlusal trauma are unable to induce a phase of progressive destruction of the periodontal tissues in tooth regions where the supporting tissues are markedly reduced but non-inflammatory.

Alveolar Process↗
PubMedDate not supplied

[The management of functional disturbances of the stomatognathic system].

The management of functional disturbances of the stomatognathic system requires long term follow up. The complexity of managing TMJ dysfunction is reflected in the variety of treatment modalities. Almost all clinicians claim successful results with their treatment, although in our days it seems that simple reversible treatment methods are more favourable than others complicated irreversible technics. Treatment problems and failures, related to mandibular repositioning appliances, surgery and restorative dentistry caused a major shift in ideas concerning the natural history of functional disturbances of the stomatognathic system and suggest the need to reconsider the various approaches to the treatment of the TMJ. The majority of patients improve by simple methods as Biofeedback, Physiotherapy, full arch stabilization splints etc. The dentist should insure patients' compliance and very carefully inform the patient for all the details, the expectations and the complications of treatment, concerning more complicated irreversible technics, such as occlusal adjustment, orthodontics, restorative dentistry, surgery of the TMJ and orthognathic surgery.

Biofeedback, Psychology↗
PubMed1992

Masticatory muscle activity in different jaw relations during submaximal clenching efforts.

The EMG activities of the masseter muscles and the anterior and posterior parts of the temporalis muscles were investigated in different vertical and sagittal jaw relations. Surface EMG recordings were made. Relative muscle activities were quantified by means of the Activity Index and the Asymmetry Index. Ten subjects with a healthy masticatory system were asked to clench at 10% and 50% of their maximum voluntary clenching level. Registrations were made during clenching in the intercuspal position, on a thin stabilization splint (SSP, 1-2 mm increase of vertical dimension at first molar), on a thick stabilization splint (3 mm thicker at the incisal edge relative to SSP), and on a protrusive re-positioning splint (3 mm protrusive to SSP). The masseter EMG amplitudes were the same for all the jaw positions investigated. However, at the 10% clenching level, the temporalis muscle activity decreased after the vertical dimension was raised and decreased further after the mandible was protrusively positioned (p less than 0.01). An independent function for the posterior and the anterior parts of the temporalis muscle was not found in any of the intermaxillary jaw relations investigated. At the 50% clenching level, a decrease in anterior temporalis muscle activity was observed only with the protrusive position in relation to the other three positions. Also at this level, the index relating the activity of the anterior to that of the posterior part of the temporalis muscle was not different between jaw positions. Raising the vertical dimension and protrusive positioning of the mandible decrease the activity of the temporalis muscles. This may be a factor related to the therapeutic effect of the stabilization splint in the treatment of craniomandibular disorder patients.

Adult↗
PubMed2006

Short dental implants in posterior partial edentulism: a multicenter retrospective 6-year case series study.

BACKGROUND: Implants <10 mm long in the posterior regions of partial edentulous patients have a higher failure rate in many clinical reports. The purpose of this case series study was to evaluate implant survival when a biomechanical approach was used to decrease stress to the bone-implant interface. METHODS: A retrospective evaluation of 273 consecutive posterior partially edentulous patients treated with 745 implants. 7 or 9 mm long, supporting 338 restorations over a 1- to 5-year period was reviewed from four private offices. Implant survival data were collected relative to stage I to stage II healing, stage II to prosthesis delivery, and prosthesis delivery to as long as 6 years follow-up. A biomechanical approach to decrease stress to the posterior implants included splinting implants together with no cantilever load, restoring the patient with a mutually protected or canine guidance occlusion, and selecting an implant designed to increase bone-implant contact surface area. RESULTS: Of the 745 implants inserted, there were six surgical failures from stage I to stage II healing to prosthesis delivery. No implants failed after the 338 final implant prostheses were delivered. A 98.9% survival rate was obtained from stage I surgery to prosthetic follow-up. CONCLUSIONS: Short-length implants may predictably be used to support fixed restorations in posterior partial edentulism. Methods to decrease biomechanical stress to the bone-implant interface appear appropriate for this treatment.

Adult↗
PubMed1989

[Objectivization of the methods for recording the total contact surface and the number of occlusal contacts in static occlusion].

The occlusal contacts of teeth in a dentition have been analysed metrically with the aid of a new method. The outstanding advantage of this method is offered by the fact that the contacts of teeth are registered immediately in the subject and then evaluated with the aid of the teleplanimetric measuring variant. From error computation it follows that the method leads to reproducible and largely objective results. In 84 subjects with an average age of 16.9 +/- 3.7 years the total contacting area and the number of contacts in static occlusion were determined and examined with respect to specific groups.

Adolescent↗
PubMed1977

The effect of bite plane use on terminal hinge axis location.

The effect of bite phase therapy on the location of hinge axis was observed and compared in a sample of normal subjects and a group of individuals with TMJ dysfunction. The normal group displayed a mean change of 1.0 mm with a range of 0.3 mm to 3.4 mm between bite plane use and its absence. The direction of change with bite plane use was anterior with a tendency for superior component. The same group utilized the bite plane a second time and the axis location was compared with the original determined with bite plane use. This procedure was done to test the reproducibility of hinge axis on normal subjects. The mean change between the two bite plane uses was .87 mm with a range of 0.0 mm to 3.0 mm. The symptomatic patients changed a mean of 1.46 mm with a range of 0.0 to 3.3 mm. The direction of change was definitely posterior following therapy with a strong tendency for a superior component. This study seems to emphasize the need for a relaxed and asymptomatic muscular pattern for individuals on whom occlusal adjustments are to be made. In the presence of erroneous maxillomandibular skeletal relationships inaccuracy is inherent for occlusal equilibration.

Adolescent↗
PubMed2006

Arthralgia of the temporomandibular joint and low-level laser therapy.

OBJECTIVE: This case report describes the treatment of a patient with arthralgia of the temporomandibular joint (TMJ) caused by disc displacement. BACKGROUND DATA: The goal of the treatment of TMJ arthralgia is to decrease pain by promotion of the musculoskeletal system's natural healing ability. METHODS: This report describes the complex treatment of TMJ arthralgia. Low-level laser therapy (LLLT) was chosen for its antiinflammatory and analgesic effects. Laser therapy was carried out using the GaAlAs diode laser with an output power of 400 mW, emitting radiation with a wavelength of 830 nm, and having energy density of 15 J/cm2; the laser radiation was applied by contact mode on four targeted spots in 10 sessions. Physiotherapy was recommended to this patient to prevent the injury of intraarticular tissue caused by incorrect movement during opening of the mouth. Splint stabilization and prosthetic treatment were used to reduce overloading of the TMJ, resulting from unstable occlusion and to help repositioning of the dislocated disc. RESULTS: Five applications of LLLT led to decrease of pain in the area of the TMJ on the Visual Analog Scale, from 20 to 5 mm. The anti-inflammatory effect of the laser was confirmed by thermographic examination. Before treatment, the temperature differences between the areas of the normal TMJ and TMJ with arthralgia was higher than 0.5 degrees C. However, at the conclusion of LLLT, temperatures in the areas surrounding the TMJ were equalized. CONCLUSION: This study showed the effectiveness of complex non-invasive treatment in patients with arthralgia of the TMJ. The analgesic and anti-inflammatory effects of LLLT were confirmed by infrared thermography.

Arthralgia↗
PubMed1992

The use of adhesive metal partial crowns to restore attrition defects: a case report.

A patient presented with severe loss of enamel on the palatal surface of the maxillary anterior teeth, resulting from attrition. After correction of the mandibular occlusal position, the palatal defects were restored with metal partial crowns cemented with an adhesive cement. One of the six restorations dislodged during 4 years of observation, but was replaced successfully.

Adult↗
PubMed1991

Gelb appliance: mandibular orthopedic repositioning therapy.

The authors discuss the philosophy, fabrication, and use of the Gelb appliance. They recommend the appliance for daytime use for anterior displacements with reduction, unloading of the temporomandibular joint, and cervical muscular dysfunction where mandibular displacement is a perpetuating factor. This chapter also details their clinical protocol for diagnosis and appliance management.

Dental Occlusion↗
PubMed1990

[TMJ diseases. Current status. Clinico-epidemiological study].

The Author examines every complex mechanism which regulates the masticatory function. He calls the attention to the strict connection which exists between neuromuscular system and organic occlusion of determining a dysfunctional pathology. After examinating a group of 100 patients suffering from Tmj disfunction he shows every therapeutic possibility and the limits of the treatment only with the bite plane.

Adolescent↗