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Results for “Occlusal Splints”

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At least 1,369 records · Page 76Linked to original sources
PubMed1976

Hazards in the management of large intra-abdominal tumours.

Whatever their nature, large intra-abdominal tumours interfere with respiratory and circulatory function by producing elevation and splinting of the diaphragm and partial occlusion of the inferior vena cava. The main hazards involved in removing such tumours are consequences of abdominal decompression, which may produce a labile cardiovascular state, respiratory difficulties, and rapid intestinal distension. A knowledge of the deranged physiology and its management may avert these complications. Careful preparation, modification of anaesthetic technique, postoperative ventilation, and external abdominal compression are important. To illustrate the discussion two cases of large ovarian cysts are described.

Abdominal Neoplasms↗
PubMed1990

[Opening and closing mouth movements in subjects with TMJ noise. Three dimensional measurements on occlusal plane standard].

TMJ noise is one of the main symptom of TMJ disfunction. In this study the opening and closing movement of the mouth in subjects conscious of TMJ noise was observed three dimensionally. The occlusal plane was used as the standard for these three dimensional measurements. Changes resulting from the use of splints were also observed. The results were as follows: 1. Compared with normal subjects, the maximum value of fluctuation in subjects with TMJ noise for each particular measurement during opening and closing was distributed over a wide area. 2. The change in mandibular movement when the TMJ noise occurred was reproducible. 3. It was possible to divide the subjects with TMJ noise into three groups according to the particular splint used and the resulting noise changes. 4. In each group, the slant change on the occlusal plane was characteristically different when TMJ noise occurred before splints were fitted, and the changes after fitting particular splints were constant. 5. The above findings indicate that three dimensional measurements of slant changes on the occlusal plane when TMJ noise occurs may possibly be an important and useful index when examining subjects with TMJ noise.

Cephalometry↗
PubMed1993

[A study of the reasonable vertical thickness of stabilization splint]

It was proved in this study through the measurement and calculation of the shape and size of dentition and jaws and the position of the hinge axes that the thickness of stabilization splint was difficult to be confirmed within free way space, it was therefore suggested that attention should be paid on forming a flat and smooth occlusal plane during the design and manufacture of splint, so that the points to a flat plane contact relation could be presented between the split and the tops of working cusps. Guidance effect on inclines must be eliminated. The thickness of splint should depend upon the height of cusp and the overbite degree of the patient, so that free way space wasn't absolutely inviolable in the set of stabilization splint.

Journal Article↗
PubMed1998

Change of position of the temporomandibular joint disk with insertion of a disk-repositioning appliance.

OBJECTIVE: We report alteration of the temporomandibular joint disk and the condyle position through the construction of a mandibular full-coverage occlusal appliance (often referred to as a disk repositioning appliance). STUDY DESIGN: Forty-five joints with displaced disks with reduction were available for the study. We assessed these joints for disk recapture and the change of disk position with insertion of the appliance using magnetic resonance imaging. RESULTS: Of the 41 joints that had a recaptured disk with insertion of the splint, 25 slid in a posterior direction, although the amount of movement was negligible. No disk slid posteriorly in the joints without splint capture. CONCLUSIONS: On the basis of our results, we conclude that many of the occasionally displaced disks might have moved backward with successful treatment involving a disk-repositioning splint. However, the amount of the movement was negligible.

Adolescent↗
PubMed2004

Long term follow-up of patients affected by temporomandibular joint dysfunction treated with orthodontic and/or prosthetic occlusal therapy.

AIM: Clinical evidences about therapeutic effectiveness of splint therapy and modern concept concerning the etiopathogenesis of temporomandibular disorders (TMD) lead to a review of the therapeutic approach accepted until the middle 90s for the solution of this derangement of the stomathognatic system. Aim of this study is to produce a long term follow-up of a sample of TMD patients, to estimate the validity and utility of the present therapeutic procedures. METHODS: After diagnostical classification of the patients observed, they have been included in a therapeutic protocol. The outcomes obtained (46 patients at the 1st control in 1994 and 38 patients at the last control in 2001) are re-examined with an average follow-up of 10 years. RESULTS: The results obtained showed the efficacy of the therapeutic procedures carried out (36 healed, 9 improved and 1 worsened at the 1994 check-up: on the whole, a successful result in 98% of cases; 17 healed, 21 improved and 8 lost at the 2001 check-up: on the whole, a successful result in 100% of cases), but at present their application has to be reviewed according to a more conservative and careful therapeutic approach, based on the evaluation of some fundamental parameters. CONCLUSION: The rehabilitative occlusal therapy, in its various aspects, is successful in the long term treatment of TDMs, as long as it is used only when it is possible to determine a correct indication.

Adult↗
PubMed2004

Treatment of temporomandibular disorders by stabilising splints in general dental practice: results after initial treatment.

INTRODUCTION: Little is known about how effective general dental practitioners (GDPs) are in treating temporomandibular disorders (TMD). The overall aim of this study was to compare the lower stabilising splint (SS) with a non-occluding control (CS) for the management of TMD in general dental practice. METHOD: A total of 93 TMD patients attending 11 GDPs were randomly allocated to SS or CS. Diagnosis was according to International Headache Society Criteria. Outcome criteria included pain visual analogue scale (VAS), number of tender muscles, aggregate joint tenderness, inter-incisal opening, TMJ clicks and headaches. Splints were fitted one week after baseline and patients were followed-up every three weeks to three months; those not responding to CS after six weeks (< 50% VAS reduction) were crossed over to SS for a further three months. RESULTS: Documentation was returned from nine GDPs for 72 patients (38 for SS, 34 for CS). At six weeks, mean improvements were noted for all outcome criteria, but less so for clicking. There were no significant differences between splints [chi(2)]. Seventeen CS patients had < 50% VAS reduction and were provided with SS in the cross-over group. CS patients with >50% VAS reduction were significantly younger than CS patients who crossed-over (ANOVA, p=0.009) and had significantly less diagnoses of TMJ clicking (chi(2), p<0.05). At the conclusion of the trial 16 patients were referred for specialist management: 11 non-responders (< 50% VAS reduction), one of whom needed occlusal adjustment and five responders also needing occlusal adjustment. CONCLUSIONS: At six weeks SS gave similar relief to CS for all outcome criteria. Patients who crossed-over from CS to SS were more likely to be older and have clicking TMJs. At the end of treatment nine of 11 non-responders to SS had a diagnosis of disc displacement with reduction. However, 80% TMD patients were managed effectively by GDPs using splints for periods of up to five months.

Adult↗
PubMedDate not supplied

The role of rib infarcts in the acute chest syndrome of sickle cell diseases.

The acute chest syndrome is a generic term for pulmonary complications of sickle cell diseases with heterogeneous etiologies that include pneumonia, vaso-occlusion of pulmonary arterioles, rib infarction, and fat embolism syndrome. My review summarizes these etiologies, the evidence, and pathophysiology supporting the hypothesis that infarction of segments of ribs by the same vaso-occlusive process responsible for the acute episodes of pain (characteristic of the sickle cell diseases) is often involved in the acute chest structure. Inflammation associated with the infarct then causes splinting, hypoventilation, and hypoxia and further vaso-occlusion. The relationship with adult respiratory distress syndrome and fat embolism is also discussed. Use of the incentive spirometer combined with effective analgesia when chest pain is present is advocated for prevention of the pulmonary infiltrates. Newer understanding of the role of nitric oxide in regulating oxygen transport and its relationship to blood transfusions used in therapy of the acute chest syndrome are discussed.

Adrenal Cortex Hormones↗
PubMed2003

In vitro wear of various orthotic device materials.

STATEMENT OF PROBLEM: Orthotic devices are advocated to decrease occlusal attrition caused by bruxism but tend to wear with time. PURPOSE: This study investigated the wear rate of various materials used to fabricate orthotic devices. MATERIAL AND METHODS: Five experimental groups (n=8) were studied: Splint Biocryl autopolymerized (SBA), Splint Biocryl autopolymerized plus additional heat and pressure (SBHP), Forestacryl autopolymerized (FA), Forestacryl autopolymerized plus additional heat and pressure (FHP), and Quick Splint 15-minute (QS), light-polymerized composite. Specimens were mounted to the base of a universal testing machine. A wear device using steatite balls and a load of 9.1 kg was positioned against the specimens, submerged in a 37 degrees C water bath and subjected to 2500 reciprocal cycles. Wear, in micrometers, was calculated as the maximum peak to valley measurement (Ry) using profilometry. Data were subjected to analysis of variance (ANOVA) and Tukey's HSD (alpha=.05). RESULTS: Mean acrylic wear in micrometers was as follows: FA 6.8 +/-3.0; FHP 7.1 +/- 1.8; SBA 20.4 +/- 5.6; SBHP 23.7 +/- 7.8; and QS 23.8 +/- 6.9. One-way ANOVA detected significant differences between groups (P<.001); the Tukey honestly significant difference test determined that FA and FHP specimens were significantly more resistant to wear than all other specimens (P=.007). CONCLUSION: Differences in in vitro wear resistance among various orthotic device materials exist. The in vitro wear resistance among other autopolymerizing materials appears to be related to proprietary differences.

Acrylic Resins↗
PubMed1989

The use of the maxillary interocclusal splint as a mouthpiece for the mouthstick prosthesis.

In the past, the maxillary and mandibular teeth have been firmly indexed on the mouthpiece prosthesis, which can produce significant occlusal discrepancies. The construction of a mouthpiece consisting of a maxillary interocclusal splint is described. The two advantages for this type of mouthpiece are (1) it can be adjusted clinically to accommodate errors in the mounting of the casts and the laboratory processing of the prosthesis, and (2) the use of the maxillary interocclusal splint will reduce the likelihood of the development of masticatory muscle spasms.

Dental Occlusion↗