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Results for “Stomatognathic System”

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At least 19 recordsLinked to original sources
PubMedDate not supplied

[Evaluation of the status of the stomatognathic system in patients with idiopathic headaches].

The stomatognathic system was assessed in 114 subjects with various types of idiopathic headaches. Stomatognathic system dysfunctions were recognized most frequently in patients with atypical facial pain and headache, and with mixed headache. Much less frequently these dysfunctions were present in patients with migraine or cluster headaches. The obtained results suggest that stomatognathic system dysfunctions should be considered in the pathogenesis of certain headaches.

Chronic Disease↗
PubMed2005

[Reliability of an improved measurement system used in three-dimensional reconstruction of stomatognathic system by cutting and scanning layer-by-layer].

OBJECTIVE: To reconstruct 3D shape of edentulous jaw by using improved measurement system and to analyze the precision of this method. METHODS: Standard edentulous jaw models were measured with a improved measurement system by cutting and scanning layer-by-layer, and the 3D shape of the models was reconstructed by image processing with specialty software. Ten cubic plaster modes were reconstructed by the same way, data of every border before and after reconstruction were measured and analyzed. RESULTS: Data of edentulous jaw models were obtained. The errors in ten cubic before and after reconstruction were not significantly different (P > 0.05), data measured in horizontal plane were not significantly different (P > 0.05), and data measured in altitude direction were significantly different (P < 0.01), data measured after reconstruction were less than before, the error was (0.09 +/- 0.08) mm. CONCLUSION: The improved cutting and scanning measurement system can be fit for the 3D reconstruction of stomatognathic system with high precision.

Humans↗
PubMed1990

[Growth of the facial skeleton and biomechanics of the stomatognathic system].

Biomechanical analysis of the stomatognathic system yields that the linkage between posterior and anterior guidance can be modelled by a link quadrangle (throttle crank) with closed linkage. Within this gear system the biochemical ideal position of the couple-line (functional length of the mandible) possesses a special meaning in centric occlusion: Along this line the gear system can be stretched without altering its essential mechanical properties. Interindividual comparison of the arrangement of mandibulary and maxillary structures related to the ideal initial position of the couple-line presents interindividual constants of arrangement and of growth. It is possible to define an individual, non-orthogonal system of coordinates. Its origin represents the individual center of growth. During growth special skeletally defined points run along radius vectors of this center. The rate of growth can depend on the angle between radius vector and couple-line.

Dental Stress Analysis↗
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↗
PubMedDate not supplied

[Studies on the relationship between functional disturbances of stomatognathic system and chronic suboccipital headaches].

The studied group comprised 139 patients with functional disturbances of the stomatognathic system. The effect was analysed of certain local factors causing functional disturbances of the stomatognathic system on the occurrence of chronic suboccipital headaches, and causative stomatological-prosthetic treatment was given. The obtained results confirmed the relationship between certain symptoms of functional stomatognathic system disturbances and chronic suboccipital headaches in these patients.

Chronic Disease↗
PubMedDate not supplied

[Stomatognathic system and body posture in children with sensoriomotor deficits].

BACKGROUND: Literature points that body posture is an important aspect in the treatment of children with sensorimotor deficits. Considering individuals with cerebral palsy, reflexes are often more intense than reactions of rectification and equilibrium, causing, therefore, a delay or obstacle in cervical, torso and hip control. This delay has as a consequence an impact on the Stomatognathic System. AIM: To verify the relation between body posture and the Stomatognathic System in this population, regarding posture and function, and its effectiveness in the process of speech-language intervention. METHOD: 17 children with sensorimotor deficits, aged between 1 and 6:3 years, were submitted to an initial assessment, followed by speech-language intervention and re-assessment. Speech-language intervention occurred for a period of 10 months, with weekly individual sessions, always in the presence of the caretaker. All sessions were transcribed in a specific protocol and the assessment and re-assessment sessions were videotaped. RESULTS: A statistically significant improvement of stomatognathic system in 100% of the children was observed, not only of the isolated structures, but also of the whole system. The same was observed for the assessed functions. CONCLUSION: The improvement of body posture of the studied children favored significantly the development and improvement of the stomatognathic system regarding the aspects of posture and function.

Cheek↗
PubMed1984

The temporomandibular joint in ankylosing spondylitis. Correlations between subjective, clinical, and radiographic features in the stomatognathic system and effects of treatment.

One hundred individuals with ankylosing spondylitis (AS) and a comparison group comprising 57 individuals without joint symptoms or disease were studied for correlations between subjective, clinical, and radiographic features in the stomatognathic system and the short-term effect of occlusal splint therapy. There was a correlation between radiographic findings in the temporomandibular joint (TMJ) and subjective and clinical symptoms from the stomatognathic system in individuals with AS but not in the comparison group. There were also more and stronger correlations between clinical signs of TMJ involvement and subjective and other clinical symptoms from the stomatognathic system in the individuals with AS than in the comparison group. There are thus strong indications that the subjective symptoms, the clinical signs, and the radiographic findings in the TMJ of the individuals with AS were caused mainly by this joint disease. The short-term effect of treatment with occlusal splints was investigated in seven of the individuals with AS, who had clinical dysfunction index II or more in accordance with Helkimo. No statistically significant improvement of the subjective or clinical symptoms from the stomatognathic system was found, although a reduction of clinical symptoms was noted in five of the seven individuals.

Adult↗
PubMed2004

[The establishment of the individual model libraries for stomatognathic system].

PURPOSE: To investigate the method of establishing the individual model libraries for stomatognathic system. METHODS: Based on the normal 3D FE models, including the upper jaw, lower jaw and whole dentitions, with the help of the ANSYS5.5, divided, trimmed or re-built these models, created the abnormal stomatognathic system. RESULTS: Established three model libraries in common use, including the alveolar-absorbed-teeth, loosed-teeth, and alveolar-reduced-area, 308 models in all. CONCLUSION: The established models have a satisfied geometric configuration, it will be more suitable for the research and clinic works if uses the individual FE models.

Dentition↗
PubMed2006

The association between the cervical spine, the stomatognathic system, and craniofacial pain: a critical review.

AIMS: Craniofacial pain is a term that encompasses pain in the head, face, and related structures. Multiple etiologies and factors may be related to craniofacial pain; however, the association between the cervical spine and its related structures and craniofacial pain is still a topic of debate. The objective of this critical review was to present and analyze the evidence of the associations between the cervical spine, stomatognathic system, and craniofacial pain. METHODS: A search of the databases Medline, PubMed, Embase, Web of Sciences, Cochrane Library, Cinahl, and HealthStar was conducted for all publications related to the topic in the English and Spanish languages. Relevant information was also derived from reference lists of the retrieved publications. The key words used in the search were cervical spine, cervical vertebrae, neck pain, neck injuries, neck muscles, craniofacial pain, orofacial pain, facial pain, temporomandibular joint pain, and temporomandibular joint disorders. RESULTS: The search provided information referring to the biomechanical, anatomical, and pathological association between craniofacial pain, the stomatognathic system and the cervical spine. CONCLUSION: The information provided by this review suggests an association between the cervical spine, stomatognathic system, and craniofacial pain, but most of this information is not conclusive and was derived from poor-quality studies (levels 3b, 4, and 5 based on Sackett's classification). Better designed studies are needed in order to clarify the real influence that the cervical spine has in relation to the stomatognathic system and craniofacial pain.

Biomechanical Phenomena↗
PubMed1982

Subjective symptoms from the stomatognathic system in ankylosing spondylitis.

One hundred individuals with ankylosing spondylitis (AS) and 57 individuals a comparison group responded to a questionnaire concerning subjective symptoms from the stomatognathic system and general joint symptoms. It was concluded that the individuals with AS have more subjective symptoms from the stomatognathic system, especially difficulties in wide mouth opening, than the comparison group. Specific temporomandibular joint (TMJ) involvement in AS was difficult to determine but pain in the TMJ region, stiffness/tiredness in the jaws and with AS. TMJ involvement was also correlated to the severity and extension of the AS. In the comparison group awareness of parafunctions such as tooth-clenching and tooth-grinding were important subjective factors correlated to their symptoms from the stomatognathic system.

Adult↗
PubMed1989

[Development of mandibular movements associated with growth and development of stomatognathic system].

In order to clarify the development of mandibular movements associated with growth and development of the stomatognathic system, we compared the mandibular movements of children with normal occlusion at different Hellman's dental age between IIA and IIIB, during tooth tapping movements using the following 7 different kinds of frequency; ad lib.; 1 time/sec, 2 times/sec and 3 times/sec movements with reguration; 1 time/sec, 2 times/sec and 3 times/sec movements without reguration. Then, we determined the correlation between the results and the subjects' chronological age and obtained the following findings. 1) During 5 strokes between the 3rd and 7th strokes after the start of the tooth tapping movements, mandibular movements were not very diversified among 30 tooth tapping movements using the 7 different kinds of frequency, and the mean values were almost consistent. 2) In the 5 strokes between the 3rd and 7th strokes at all dental age, each determined item showed minimal dispersion during the 3 times/sec unregurated movements. 3) In the following items, changes related to age were noted during the 3 times/sec unregurated movements. (1) Cycle time decreased and became closer to the calculated value (333.33 msec), and maximum velocity in closing increased as age advanced. (2) Although there was no significant correlation with the subjects' chronological age, degree of mandibular opening, duration of opening phase, duration of closing phase, duration of occluding phase and velocity peak time in opening decreased, and maximum velocity in opening increased as age advanced. (3) Velocity peak time in closing was only slightly influenced by age. 4) These results indicate that mandibular movements develop in the course of growth and development of the stomatognathic system.

Humans↗
PubMed1982

Clinical findings in the stomatognathic system in ankylosing spondylitis.

100 individuals with ankylosing spondylitis (AS-group) and a comparison group comprising 57 individuals (C-group) were examined for clinical symptoms from the stomatognathic system and occlusion. It was concluded that the AS-group differed significantly from the C-group with respect to mandibular mobility, tenderness to palpation of the temporomandibular joint and relation between the retruded and intercuspal position of the mandible. Clinical symptoms in the stomatognathic system were correlated to subjective general joint symptoms in the AS-group. Occlusal factors may also be of importance for the development of clinical symptoms in the stomatognathic system in this group.

Adult↗
PubMed1987

Subjective symptoms from the stomatognathic system in individuals with rheumatoid arthritis and osteoarthrosis.

A group of 123 individuals with rheumatoid arthritis (RA-group) and 28 individuals with osteoarthrosis (OA-group) with previous or current symptoms from the stomatognathic system were compared with 52 individuals without general joint symptoms (C-group). The individuals in the RA- and OA-group attended the Rheumatism Hospital in Strängnäs, Sweden. They constituted 35 and 14%, respectively, of all individuals with RA and OA at the Hospital during the period of investigation. The individuals in the C-group attended the Public Dental Clinic in Strängnäs for regular dental care. All individuals were given a questionnaire concerning subjective symptoms from the stomatognathic system, general joint symptoms, dental condition and need of dental care. It was found that the individuals in the RA and OA-group generally had more frequent and more severe subjective symptoms of longer duration from the stomatognathic system than the individuals in the C-group. The subjective symptoms, especially in the RA-group, were correlated to the extension of the general joint symptoms. Reports of swelling of the TMJ and a sudden debut of symptoms were more frequent in the RA-group than in the OA- and C-group. Loss of contact between anterior teeth was reported in both diseases and was correlated to extension and duration of RA and extension of OA. The TMJ symptoms started frequently in the early phase of RA and chewing ability deteriorated with extension and duration.

Adult↗
PubMedDate not supplied

[General diseases and dysfunction of the stomatognathic system].

There are two cases of general diseases [progressive systemic sclerosis (PSS) and nasopharyngeal cancer], which assumes with dysfunction of the stomatognathic system. The authors which are aware of all above made an extensive reference of the details of these diseases and in relation with the dysfunction of the stomatognathic system. The conclusion of this paper is the important role of clinical consideration for the differential diagnosis of similar cases.

Adult↗
PubMedDate not supplied

[Eye signs in patients with functional disturbances of the stomatognathic system].

The authors carried out an analysis of the frequency of eye signs in 429 patients with functional disturbances of the stomatognathic system and found that these disturbances were present in 29.8% of these patients, and the intensity of eye signs depended on the clinical picture of dysfunction. Return of normal function of the stomatognathic system gave complete regression of eye signs in 66.7% out of 36 patients, in 30.5% of cases improvement developed, and in 2.8% local stomatological treatment was unsuccessful.

Eye Diseases↗
PubMed1983

Relationships between oral parafunctions and functional disturbances in the stomatognathic system among 15- to 18-year-olds.

An interview and a clinical examination of signs and symptoms of functional disturbances and diseases in the stomatognathic system were performed on 309 adolescents 15-18 years old. Relationships and differences between data from this investigation were analyzed. Statistically significant correlations were found between headaches, bruxism, and tenderness to palpation of the attachment of the temporal muscle. There were also correlations between occlusal interferences in the retruded position (RP) and clickings and between mediotrusion interferences and clickings. The occlusal interferences were correlated to tenderness to palpation of the TMJ and TMJ muscles. Young people with distal occlusal relation were more frequently conscious of symptoms from the stomatognathic system than those with neutral or mesial occlusal relation. Deep bite was correlated to clenching and frontal dental wear.

Adolescent↗