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Results for “Occlusal Splints”

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At least 919 records · Page 51Linked to original sources
PubMed2002

Oral care for patients with bulimia.

Various conditions cause rapid and debilitating erosion of teeth. One of the most common is bulimia, or the binge-purge syndrome. Dentists frequently encounter patients who have this problem. The dentist should confirm the possibility of bulimia, refer the patient to a competent eating-disorder clinic, counsel the patient about her or his condition and restore the patient's mouth to a state of health and esthetic acceptability. Dental treatment of such patients will vary depending on the severity of the erosion.

Adolescent↗
PubMed2004

The EBD approach.

Explore the source record for details and available documents.

Evidence-Based Medicine↗
PubMed2005

The advantages of minimally invasive dentistry.

Minimally invasive dentistry, in cases in which it is appropriate, is a concept that preserves dentitions and supporting structures. In this column, I have discussed several examples of minimally invasive dental techniques. This type of dentistry is gratifying for dentists and appreciated by patients. If more dentists would practice it, the dental profession could enhance the public's perception of its honesty and increase its professionalism as well.

Air Abrasion, Dental↗
PubMed2005

Obstructive sleep apnea: diagnosis, medical management and dental implications.

BACKGROUND: Patients with undiagnosed obstructive sleep apnea (OSA) represent a major public health problem, and studies suggest that the incidence of OSA may be even higher than estimated. TYPES OF STUDIES REVIEWED: The authors reviewed current literature describing comorbidities of patients with OSA. RESULTS: Sleep medicine is a relatively new field. Dental practitioners may lack educational exposure and, as a result, feel uncomfortable asking their patients sleep-related questions. While patients with well-controlled OSA present few difficulties for routine dental treatment, it is imperative that health care professionals understand the comorbidities associated with OSA and that untreated OSA may contribute to increased morbidity and mortality. CLINICAL IMPLICATIONS: Dental professionals have a unique doctor-patient relationship that affords them a role in recognizing sleep disorders by exploring the history of patients who are sleepy.

Continuous Positive Airway Pressure↗
PubMed2002

Implant replacement of congenitally missing lateral incisor: a case report.

The therapeutic goal of reconstruction dentistry is to provide our patients with a dentition that is in harmony with the patient's musculature and temporomandibular joints. Malocclusion can contribute to both muscular and joint dysfunction. This case report demonstrates the reconstruction of a malocclusion caused by a congenitally missing lateral incisor utilizing a combination of orthodontic treatment and a dental implant to replace the congenitally missing tooth.

Adult↗
PubMed2004

Quality of life of patients with obstructive sleep apnea syndrome treated with an intraoral mandibular repositioner.

BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is a very important and prevalent disease, which is associated with a poor quality of life in many patients. Treatments for OSAS include surgery, Continuous Positive Air way Pressure, and an intraoral mandibular repositioner (IOMR), but the tendency of sleep centers is to emphasize the apnea index, neglecting quality of life as treatment outcome. OBJECTIVE: To verify to what extent treatment with an IOMR improves the OSAS patient's quality of life. METHOD: Eleven male patients aged 34 to 63 years (mean=49) with mild to moderate OSAS were evaluated using the Calgary SAQLI questionnaire applied before and four weeks after treatment with an IOMR. The mandibular repositioners were manufactured individually for each patient with acrylic polymer and equipped with a retentive device to maintain the mandible in a forward position during sleep. RESULTS: Excellent improvement in the quality of life was observed in five patients (45.5%) and excellent improvement in symptoms in 10 (90.9%). CONCLUSION: The systematic use of the IOMR indicates a clear improvement in the global quality of life as well as in the symptoms of patients with OSAS.

Adult↗
PubMed2004

Effect of alteration in organic material of the occlusal caries on DIAGNOdent readings.

DIAGNOdent is a laser fluorescence device used for dental caries diagnosis in occlusal and smooth surfaces. Despite the promising preliminary results, the molecules involved in the increase of fluorescence in carious lesions remain unclear. The aim of this study was to compare the laser fluorescence readings before and after changes in the organic material of occlusal carious lesions in primary teeth. Twenty-four primary molars stored in saline solution with at least one site with occlusal caries were divided into two groups. The control group had 17 sites with caries and the experimental one had 16 sites. The carious lesions were measured with laser fluorescence. The experimental samples were then removed from the storage solution and immersed in a 2% sodium hypochlorite solution for 24 hours. After washing with water, the teeth were measured again with the laser fluorescence device. The teeth of the control group were submitted to the same procedures, but saline solution was used instead of the sodium hypochlorite solution. A statistically significant reduction in the mean of the readings after immersion in the two tested solutions compared with the initial readings was observed in both groups, but the decrease was statistically higher in the experimental group (p < 0.0001). In this study, the data indicate that changes in the fluorescence of carious lesions measured by the laser fluorescence are mainly due to the organic content alterations rather than to the mineral loss.

Dental Caries↗
PubMed2005

Rigid external distraction using skeletal anchorage to cleft maxilla united with alveolar bone grafting.

OBJECTIVE: Documentation of the application of maxillary distraction osteogenesis using rigid external distraction (RED) with skeletal anchorage combined with predistraction alveolar bone grafting (ABG) in cleft maxilla. DESIGN: Case report. PATIENT: A patient with numerous congenital missing teeth and severe maxillary deficiency related to complete bilateral cleft lip and palate with large alveolar bone defect. INTERVENTION: The patient received preoperative orthodontic treatment, predistraction ABG, and maxillary distraction osteogenesis using RED with skeletal anchorage. RESULTS: Predistraction ABG completely united the cleft maxilla. The united maxilla was successfully advanced by the RED system with skeletal anchorage, despite unsound dentition with numerous congenital missing teeth. CONCLUSION: The present study demonstrates that the combination of predistraction ABG and RED system with skeletal anchorage is effective for the treatment of severe maxillary deficiency related to complete bilateral cleft lip and palate with large bone defect and numerous congenital missing teeth.

Adolescent↗
PubMed1993

Long-term results after maxillary advancement in patients with clefts.

In order to evaluate relapse tendencies after maxillary advancement, 31 patients were examined preoperatively, postoperatively, and 1 year postoperatively; 14 of whom had clefts of the lip, alveolus, and palate. Patients with maxillary deficiency were selected in a method that mere sagittal displacement was planned. Any patients with major vertical or transverse changes or additional mandibular surgery were excluded. Treatment consisted of maxillary advancement by Le Fort I osteotomy and miniplate fixation. Besides clinical examination, skeletal and dental changes were assessed cephalometrically. Results revealed a certain relapse tendency of the displacement in the noncleft group that compared favorably to the cleft group. This relapse is dependent on the amount of advancement. Despite minor differences, the two groups did not differ significantly based on maxillary advancement, so besides advancement surgery there must be another factor, cleft, to explain the different relapse tendencies between patients with and without clefts.

Adolescent↗
PubMed1998

Surgical repositioning of the premaxilla in combination with two-stage alveolar bone grafting in bilateral cleft lip and palate.

OBJECTIVE: This paper introduces a surgical technique for premaxillary repositioning in combination with two-stage alveolar bone grafting for the correction of the premaxillary deformity of patients with bilateral cleft lip and palate (BCLP). The paper also reports on two patients with BCLP who underwent this surgical management. SURGICAL PROCEDURE: The operation is usually performed when the patient is 8 to 14 years of age. In the first stage of surgery, the side more accessible to the septo-premaxillary junction is selected, and an osteotomy of the premaxilla and unilateral alveolar bone grafting are performed. Approximately 4 to 12 months after the first stage of surgery, contralateral alveolar bone grafting is carried out. CONCLUSION: We have found that this surgical procedure is highly effective, because it ensures the blood supply to the premaxilla and minimizes the potential for surgical failure. Moreover, it affords wide exposure of the premaxillary bone surface, facilitating sufficient boney bridging and allowing for orthodontic tooth movement.

Adolescent↗
PubMed2003

Mandibular distraction osteogenesis using an intraoral device and bite plate for a case of hemifacial microsomia.

OBJECTIVE: To present orthodontic treatment combined with mandibular distraction osteogenesis using an intraoral device and a bite plate in a patient with hemifacial microsomia, severe facial asymmetry, and unilateral mandibular hypoplasia. PATIENT: An 8-year-old girl exhibited mandibular deviation resulting from hypoplasia of the mandibular condyle and ramus on the left side. The patient was treated with an intraoral device for mandibular distraction osteogenesis, bite plate, and hybrid-type functional appliance. Facial asymmetry was improved, and the mandibular ramus was elongated in an anterior and primarily posterior direction with slightly posterior and superior displacement of the proximal segment. Postdistraction treatment results have been stable for 1 year. At the 1-year follow-up, the volume of the lateral and medial pterygoid muscles on the left side had increased. The condyle and disc on the right temporomandibular joint moved well and in harmony at open mouth position, and a rotational movement of the left temporomandibular joint was observed.

Cephalometry↗
PubMed2000

Reducing condylar compression in clenching patients.

The two major muscle groups used during clenching activity are the masseter and temporalis muscles. EMG readings of the masseter and temporalis muscles rise significantly during times of macro-clenching. Clenching occurs when the masseter and temporalis muscles contract, pulling the mandible superiorly. The continued contraction of the masseter and temporalis muscles results in compression forces on the teeth and temporomandibular joints. Theoretical joint loading models are utilized to demonstrate the load on the TMJ due to forces generated by the masseter and temporalis muscles. This study measures the EMG readings during bilateral macro-contraction of the masseter and anterior temporalis muscles. An appliance is fabricated to disengage the posterior teeth and a second series of EMG readings are taken to record lowered EMG readings. The vector forces of the reduced EMG's recordings demonstrate reduced condylar compression during macro-clenching.

Bruxism↗
PubMed2004

TMJ internal derangement treatment in the growing patient: effect of functional appliance therapy on condyle and fossa relocation.

New biodynamic factors seem to be involved on condyle and fossa remodeling and relocation, conditioning to mandibular growth direction, size and morphology. The understanding of the mechanism of action is critical for treatment of TMJ dysfunction in children and youths for those who hope to treat and retain the achieved correction during growth. The purpose of this article is to describe a specific, non-muscular hypothesis that explains the way the condyle modifies and the fossa remodels and relocates to achieved a new therapeutic, stable position, creating an anatomical base for long-term retention of the results. A case report of a young patient will be illustrated and available clinical data will be discussed.

Adolescent↗
PubMed2006

Evaluation of temporomandibular disorders in children using limited cone-beam computed tomography: a case report.

Considerable advances have been made in dental and orthodontic diagnosis resulting from the development of a device known as a limited cone beam dental compact-CT (3DX). This report documents the diagnostic procedures and treatment performed on an eight year old female patient who presented with clinical signs and symptoms of a temporomandibular disorder (TMD). Evaluation of a bony abnormality of the temporomandibular joint (TMJ) using the limited cone-beam CT (3DX) proved to be of considerable value. A three-dimensional image of the right TMJ showed erosion and flattening of the condyle. Following treatment, there was marked alleviation of the clinical symptoms while considerable improvement of the bony abnormalities was clearly evident on a three-dimensional image.

Bruxism↗
PubMed2005

Effects of bite-opening and cyclosporin A on the mRNA levels of myosin heavy chain and the muscle mass in rat masseter.

To gain more insight into the mechanism of muscle plasticity in response to mechanical overload, we analyzed the effects of bite -opening (BO, 3 mm increase in the vertical dimension for 2 weeks) and/or a calcineurin (CaN) inhibitor, cyclosporin A (CsA, 10 mg/kg body weight, once daily for 2 weeks, ip) treatment on the myosin heavy chain (MHC I, IIa, IId/x, IIb) mRNA levels, using real-time RT-PCR with specific primers and on the muscle mass in rat masseter. As compared with normal control (n = 6), the BO treatment (n = 6) significantly increased the MHC I (p < 0.05) and the IIa mRNA levels (p < 0.01), and the CsA treatment (n = 6) significantly decreased the MHC I mRNA level (p < 0.01) in association with the significant decrease in the MHC IIb mRNA level (p < 0.05). The BO + CsA treatment (n = 6) significantly increased the MHC IIa mRNA level (p < 0.01) in association with the significant decrease in the MHC IIb mRNA level (p < 0.01), as compared with control. The masseter muscle mass was significantly decreased by either the CsA (p < 0.05) or the BO + CsA treatment (p < 0.001), but slightly increased by the BO treatment. These results suggest that in rat masseter the BO treatment produces not only the up-regulation of MHC IIa mRNA independently of CaN-signaling pathways, but also the MHC mRNA transition from IIa to I and the muscle mass maintenance mainly of type IIb fiber through the CaN-signaling pathways.

Animals↗