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Results for “Occlusal Splints”

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PubMed1989

[Influence of occlusion on head posture during prolonged phases of clenching].

The influence of divergent splint-adjusted maximum intercuspation on head posture during prolonged phases of clenching was studied in five subjects. During clenching in maximum intercuspation profound changes of head posture were observed, if intercuspation was not harmonized with an upright posture of head and body. Since the interrelation between occlusion and head posture is established a comprehensive approach of orthopedic, physiotherapeutic, and dental measures, in particular for the therapy of myoarthropathy patients with cervical spine symptoms seems appropriate. Occlusal corrections and determination of occlusal relations must always be made or at least checked in the upright relaxed patient with the head straight.

Bruxism↗
PubMed1992

Conservative treatment methods in craniomandibular disorder.

Conservative methods should be a basic treatment principle in CMD. In spite of similar signs and symptoms, the etiology may vary and treatment should, if possible, be directed towards the cause, but the management may often just be mitigating. Counselling may be crucial. Occlusal appliances of different design obviously influence the muscular activity significantly but equilibration may include a strong placebo effect. While relaxation is incompletely investigated, biofeedback seem possibly effective. The application of physical medicine procedures is almost entirely empirically based. Experience from other areas also motivates pharmacotherapy in CMD while intra-articular injections seem reasonably well founded. Investigations of pain-alleviating methods like TENS and acupuncture, though sometimes promising, are often uncontrolled. Manipulation, even if effective, may not necessarily be a "disc recapturing" manoeuvre. The results of conservative treatment for joint clicking seem unpredictable and long-term results of treatment with repositioning splints are not encouraging. A need for well-controlled, randomised clinical studies in diagnostic subgroups and controls has been expressed. Although most patients with CMD can be successfully treated with different conservative methods, often with remarkably similar results, other options must be considered for some.

Biofeedback, Psychology↗
PubMed1997

Titanium screw implants for intermaxillary fixation of partially edentulous jaw.

Establishment of the best possible relationship between upper and lower teeth is very important when treating jaw fractures and orthognathic deformities in partially edentulous patients. Many surgeons use arch bars and acrylic splints for intermaxillary fixation (IMF) to obtain the best occlusal relationships after the operation. In patients with sufficient teeth, IMF is not so difficult to realize. However, in partially edentulous patients, the available teeth may not be sufficient to apply arch bars or splints. This paper describes a system for IMF of a partially edentulous jaw. Screws made of medical-grade titanium are implanted into the alveolar ridges where two or more teeth are missing. Arch bars or acrylic splints secured on these implants and available teeth can be used safely for IMF. In vitro axial pull-out tests demonstrated that these implants can withstand the traction forces generated by elastics. Five partially edentulous patients, three with mandibular fractures and two with orthognathic problems, were treated with these implants. All patients healed without any complications and with the best possible occlusal relationships.

Adult↗
PubMed1994

A disclusion appliance to eliminate occlusally generated TMD symptoms prior to, and during, fixed orthodontic therapy.

Temporomandibular disorders are of multifactorial origin. If it is determined that the patient's occlusal scheme is a contributing factor to his/her TMD symptoms, it is accepted that reversible, noninvasive procedures be instituted at the outset of treatment. Splint therapy conforms to this guideline and serves to provide temporary, reversible alteration of the occlusal scheme in order to provide this relief. In a mutually protected occlusion, the posterior teeth accept the occlusal force of closure, while the anterior teeth serve to separate the dentition during excursive movements. The purpose of the disclusion splint described in this article is to eliminate muscle hypertonicity, along with its ensuing problems, by establishing a mutually protected occlusion via the guide planes created by the acrylic portions of the splint. Simultaneously, it does not compromise the patient's freeway space but acts as a preorthodontic, adjunctive-orthodontic, or post-TMD "stabilization-retentive" appliance because of its inherent ability to promote disarticulation of occluding dental surfaces during function.

Dental Occlusion↗
PubMed1990

[A study of active induction of orthodontic therapy in TMJ dysfunction syndrome--from the data of patients with TMJ dysfunction in adolescents].

It seems that active orthodontic therapy using multi-bracket appliances presents effective assurance of a physiological stable occlusion for TMJ dysfunction syndrome in adolescents. The efficiency and problems concerning the progress of active orthodontic therapy after splint therapy were examined from the data of the change of occlusal conditions, and the function of masticatory muscles before and after therapy for TMJ dysfunction from four cases for which we performed orthodontic therapy activity. 1. All of the occurring symptoms of the TMJ dysfunction syndrome (limitation, pain, sound) in the progress of orthodontic therapy were concerned with using intermaxillary elastic. The symptom which occurred in process of using only intra-maxillary elastic was just a malaise of the TMJ. Also the sound of the TMJ relapsed in the process of using class III intermaxillary elastic and recurred after the multi-bracket appliance was removed. In this case, the condylar vertical position after orthodontic therapy changed from the lower position to the center position compared with the first visit. 2. Malocclusion was improved with orthodontic therapy in all four patients. 3. The function of the masticatory muscles after orthodontic therapy was improved in comparison with the first visit by evaluation of the masticatory muscles activity and the state of silent period.

Adolescent↗
PubMed2005

Mandibular fractures: Historical perspective.

The principles of the treatment of mandibular fractures have changed recently, although the objective of re-establishing the occlusion and masticatory function remains the same. Splinting of teeth is an old way of immobilising fractures but the advent of modern biomaterials has changed clinical practice towards plating the bone and early restoration of function. We present a brief historical overview of techniques and systems that have been used for stabilisation of mandibular fractures.

External Fixators↗
PubMed1994

[Clinical evaluation of measuring system of occlusal force].

An occlusal diagnostic system was evaluated for clinical applications. This system consists of pressure sensitive sheets (DENTAL PRESCALE, Fuji Photo Film Co.) and analyzing computer (OCCLUZER FPD703, Fuji Photo Film Co.). The clinical efficiency of this system was evaluated in aged dentates, aged complete denture wearers and an aged patient suffered from periodontitis. The results were as follows: 1. There was a positive correlation between the masticatory efficiency and maximum occlusal force. 2. In the complete denture wearers, the distances from the medial line to the center of the occlusal load were statistically greater in the adjustment needed cases than in the control group. 3. In a case of periodontitis, the full arch fixed splint was adjusted using this system. After adjustment, the maximum occlusal force and contact area increased, and the maximum and medial pressure of the occlusal contact force decreased. 4. It was suggested that this system would be available for the examination of masticatory efficiency and diagnosis of various types of occlusions.

Aged↗
PubMed2005

Robust visualization of the dental occlusion by a double scan procedure.

A detailed visualization of the dental occlusion in 3D image-based planning environments for oral and maxillofacial planning is important. With CT imaging however, this occlusion is often deteriorated by streak artifacts caused by amalgam fillings. Moreover, more detailed surface information at the level of the dental cuspids is often desired. In this paper, a double scan technique is introduced to image the dental occlusion by means of a newly designed 3D splint. The patient wears this splint between the upper and lower teeth during CT-scan. In a second step, the splint is positioned between the plaster casts of the upper and lower jaw, and this setup is scanned. Based on markers in the 3D splint, both data sets are fused and a combined visualization is possible. The accuracy, robustness and applicability in clinical routine is shown. This technology enables meticulous 3D cephalometric analysis, detailed maxillofacial planning and opens possibilities towards intraoperative support.

Cadaver↗
PubMed1989

An efficient method for constructing a soft interocclusal splint.

A silicone rubber interocclusal splint can be made chairside in a few minutes and can be used in a variety of situations including MPD syndrome. A step-by-step technique is presented. Soft interocclusal splints are not intended to replace splints of hard plastic, but rather to supplement them.

Dental Occlusion↗
PubMed1995

Occlusal reconstruction with implant crown pair prostheses. Case report.

Occlusal reconstruction of both arches was performed using splinted implant crown pairs. Each pair of crowns was luted to parallel implant abutment pairs and these were screwed and glued into approximately parallel pairs of implant bodies. Paralleling of holes for implant body pairs was performed using a precision guiding device.

Crowns↗
PubMed1979

The effect of splinting on tooth mobility. (2) After osseous surgery.

The purpose of this study was to determine if fixed splinting of teeth with intraoral wire and acrylic splints had advantages with respect to tooth mobility, bone level and attachment level over unsplinted teeth following osseous surgery. Ten patients were chosen who exhibited bilaterally similar chronic destructive periodontitis and mobile teeth. One maxillary sextant was splinted, while the other was unsplinted. Both sextants functioned against an unsplinted mandibular arch. Following initial therapy, osseous surgery was performed in both maxillary sextants on the same day. Tooth mobility data was collected 1 week before and at 3, 6, 12, and 24 weeks following surgery. Levels of gingival attachment and bone were recorded before and 24 weeks after surgery. Splints were removed before measurements, then replaced, and the occlusion refined. Prophylaxes and oral hygiene instruction were repeated every 3 weeks throughout the study. For all categories of teeth and mobility examined, tooth mobility increased initially after surgery and subsequently decreased by 24 weeks to about presurgical values. The splinted and unsplinted segments reacted similarly throughout the study; splinting did not significantly reduce the mobility of individual teeth. Pre- and postsurgical bone and gingival attachment levels were also similar for the splinted and unsplinted segments.

Adult↗