Biomedical subjects

S Shimooka

Publications and source records attributed to S Shimooka.

At least 19 recordsLinked to original sources

PubMed1989

Study on the behavior management of children at dental treatment. Various factors affecting the frequency of training.

Search was made using quantification method of the first and second type to search the factors affecting the frequency of training, and to estimate it. The following conclusions were led; 1. Factors giving large effect on the decision of the frequency of training were 'Frankl classification', 'ages at the initial examination' and 'if children have any experience of dental treatment or not'. 2. With the factors concerned with educational environments including mothers, 'number of brothers and sisters', 'mother's educational history' and 'if mothers works or not' showed high correlation. 3. Among the factors concerned with character analysis, 'emotional stability' 'if children can control themselves or not' gave much effect. 4. As the factors to estimate the frequency of training, the reliable factors include 'Frankl classification', 'ages at initial examination', and 'sexes'. 5. With the factors concerned with educational environments including mothers, 'mother's educational history', 'number of brothers and sisters' 'birth order' were highly reliable. 6. With the factors concerned with character analysis, 'emotional stability', 'if children fants are degenerative or productive' showed high reliability. 7. Multiple correlation coefficient for all the 27 factors was 0.823, which was found to be highly reliable for the estimation of the frequency of training.

Behavior Therapy↗

PubMed1989

[Dental study of hypophosphatasic child].

Hypophosphatasia is a hereditary disease characterized by congenital deficiency of tissue alkaline phosphatase. One of its dental features is the shedding of teeth. We have experienced a case which was referred to our clinic with the chief complaints of loss and shedding of lower deciduous central incisors and was diagnosed to be highly suspected of hypophosphatasia as a result of hematological examination at the pediatric clinic. As a result of close systemic and dental examination and further study of changes in the course for two and a half years, the following findings were obtained: 1. Low serum alkaline phosphatase level and hypercalcemia were the systemic findings of the disease. 2. There was no delayed ossification in terms of carpal bone age. 3. X-ray cephalography revealed no particular cephalic abnormality, except the lack of development of frontalis and mandibular. 4. Dental findings comprised marked resorption of upper alveolar bone in the front teeth area and pronounced instability of front deciduous teeth. 5. As for changes in oral symptoms, extraction of A because of pronounced instability was followed by spontaneous shedding of A. About one year later, A was extracted because of marked instability. At the time of this writing, A was slightly instable without any abnormality in the other teeth. 6. Pathohistological study of the extracted teeth disclosed only a little resorption of cement of root apex and dysgonic periodontium without any marked tissue changes.

Alkaline Phosphatase↗

PubMed1989

[Cognition for visual perception of a student apprentice of dental hygiene to the presence of a parent beside the dental chair for dental treatment].

With a view to finding out how the dental hygienist looks at and recognizes the changes in facial expression and behavior of a mother who is staying by her child just receiving dental care in the treating room, actions which the mother takes near her child were recorded and subjected to observation by a dental-hygienist apprentice. The eye movements of the apprentice were then recorded and analyzed, using the Visicon-Eye-Camera. The results obtained are as follows: 1. In all scenes of the test image, the subject closely observed the mother's face, the child's face and trunk and the dentist's face at a high frequency. 2. In all scenes of the test image, the subject tended to observe closely the mother's face in the former half of his observation and the child's face and the dentist's face in the latter half. 3. In a scene during which the mother looked anxious, the subject tended to look a longer time per observation. 4. In a scene during which there occurred only a change in the mother's expression, the subject frequently took the mother's face, the child's face or the dentist's face as his primary point of observation. 5. The scanning path of the subject was not influenced by a change in the mother's expression, but rather was influenced by the addition of new elements into the scene such as her grasping of the child's hands. 6. In case of the mother beginning to make a body movement, the subject frequently took the mother's face and her child's face as his primary point of observation. 7. The subject tended to make close observation of the dentist's face less frequently with more changes in the mother's behavior, suggesting his tacit cognition of the dentist being there. 8. The above results reveal that the dental hygienist is not visually influenced by the co-existence of a mother and her child just receiving dental care in the treating room if only she is looking at her child in a relaxed manner without any anxious expressions and attitudes.

Adult↗

PubMed1989

[Changes on pronunciation using the removal appliance for children with early loss of deciduous teeth. Comparison between good occlusion children with missing anterior-posterior deciduous teeth].

The purpose of this study was to examine missing anterior teeth and posterior teeth for possible differences according to the where the teeth were missing site, a comparison was made between children with such defects and those with relatively good occlusion. The following results were obtained: 1. Compared with children with missing anterior teeth, children with missing posterior teeth showed more differences in the frequency range for vowel formants from those with relatively good occlusion. 2. As for vowel formant, missing anterior teeth and missing posterior teeth presented more such differences for formant i and formants i and e, respectively. 3. For each formant, more such differences were noted for the first formant and the third formant compared with comparatively fewer such differences noted for the second formant. 4. In terms of the strength of voice components in each frequency range, consonant pronunciation rather than vowel pronunciation proved to be influenced by missing either anterior or posterior teeth. 5. For vowel pronunciation, more such differences were noted at low to intermediate frequency ranges. 6. Pronunciation of words containing the letter t and k tended to be improved for missing anterior and posterior teeth, respectively, but pronunciation proved to be improved in a difficult manner. The above results revealed that compared with missing anterior teeth, missing posterior teeth presented more differences from children with relatively good occlusion, suggesting that not only space maintenance and masticatory function but also speech function must be considered in preparing the removal appliance for missing posterior teeth of children.

Articulation Disorders↗

PubMed1989

[Evaluation for the training and behavior of dental treatment in our special patients center].

With a view to modifying the respective behaviors of patient, protector and operator so that a relationship of reliability can be established among them, we have adopted the training for dental treatment in the medical care system for handicapped children. We took this opportunity to classify the present handling methods at the practice of medical care into 4 groups (A, B-1, B-2, C) and to examine the training effect in each group and its features. [Method] On 145 patients having received treatment in the Dental Center for the Handicapped Children in our Hospital, number of patients by group, average age at the first examination, average training frequencies before and after treatment, average treating frequency, behavior in the training and relationship between each group and the disorder were examined for the card. [Results] 1) About 40% of the subjects for examination became capable of receiving treatment without any controlling appliance before the final treatment. 2) Average training frequency and average treating frequency had higher values of B-1 group than for other groups. 3) Behavioral estimation during the training revealed that A and B-1 groups showed better performance in mouth washing, brushing and cleaning by brushing than B-2 group, but the case was the contrary with oral use of three-way syringe and the vacuum. [Conclusion] Application of various behavior-modifying techniques to the training for dental treatment in children with psychosomatic disorder made its effect and features.

Behavior Therapy↗

PubMed1989

[Research for our special patients center. Relation to the developmental screening table and the first training check list of B-1, B-2 group].

We have adopted a behavior-modifying method in the medical care system for children with psychosomatic disorder, using the developmental screening table and the first training check list to make the method effective. Also in order to know the effect of training, patients were classified into 4 groups (A, B-1, B-2, C). We have recently made a comparative examination of both the developmental screening table and the first training check list between B-1 and B-2 groups out of these 4 groups. [Method] Subject for investigation are 32 patients belonging to B-1 and B-2 groups out of those patients who have received medical examination in the Dental Center for the Handicapped Children in our Hospital. Developmental ages and proportions permitting each behavior were determined from the table for the developmental screening table and the first training check list, respectively. On the basis of the about the developmental screening table and the first training check list, behaviors between at the consultation room and at home were compared for 2 items of greeting and gargling and the condition of applying these items was also examined. [Results] 1) The B-1 group had well-matched 5 items compared with the developmental age for the B-2 group and was easier in communication with the operator because of its high cognitive ability. 2) The B-2 group, whose speaking and sociality were low, was more difficult in communication with the operator in the practice of dental treatment, and was evident from the first training check list. 3) Lack of patient's adaptability and communication with the operator often represented patient's capability of greeting and gargling at home but not at the consultation room. 4) Some need for improvement occurred in non-answering the developmental screening table and non-entering some items of the first training check list.

Behavior Therapy↗

PubMed1989

[Clinical study of gingival hyperplasia in epilepsy patient].

Diphenylhydantoin, which was first introduced in clinic by Meritt and Putnam in 1938, has been in wide use for the treatment of epilepsy because of its excellent antispasmodic action. On the other hand, Diphenylhydantoin induced gingival hyperplasia has been examined by many authors in the dental field since gingival hyperplasia was reported by Kimball as its side effect. Recently, we had an opportunity for performing gingivectomy on hypertrophic gingivitis in an epileptic with mental retardation and visual disturbance, on Phenytoin (5,5-Diphenylhydantoin) medication. Some information obtained is reported, together with its therapeutic course.

Adult↗

PubMed1989

[Study on the behavior management at dental treatment. Research of various factors affecting the frequency of training by multivariate analysis].

A Search was made using quantification methods of the first and second type to discover the factors affecting the frequency of training, and to estimate it. The following conclusions were obtained; 1. Factors having a large effect on the decision of the frequency of training were the Frankl classification, ages at the initial examination and if children have any experience of dental treatment or not. 2. With the factors concerned with educational environments encompasing mothers, number of brothers and sisters, the mother's educational history and wether the mothers work or not high correlation was shown. 3. Among the factors concerned with character analysis, emotional stability, if children can control themselves or not had considerable effect. 4. As for the factors for estimating the frequency of training, the reliable factors include Frankl classification, ages at initial examination, and sexes. 5. With the factors concerned with educational environment including mothers, the mothers' educational history, the number of brothers and sisters, birth order were highly reliable. 6. With the factors concerned with character analysis, emotional stability, if children are degenerative or productive showed high reliability. 7. Multiple correlation coefficient for all the 27 factors was 0.823, which was found to be highly reliable for the estimation of the frequency of training.

Behavior Therapy↗

PubMed1989

[Comparison between children with missing anterior deciduous teeth and posterior deciduous teeth by analysis of speech sounds].

Growing human offsprings are creatures that communicate by language. If rapidly growing children lose their deciduous teeth very early in life, their language and pronunciation functions may be seriously affected. The authors conducted a series of tests to find how the voice changes when deciduous teeth are extracted. The results may be summarized as follows. 1. There was no significant difference in the formants of vowels on "a-gyo", the first line of the Japanese syllabary, but an appreciable difference was recognized between children (four to six years old) with missing anterior teeth and posterior teeth when there were consonants before and after these vowels. 2. In the formants of the vowels, there was a marked difference in the vowel "i" when children were fitted with no appliance. 3. The strength of voice components in each frequency range was compared between children with missing anterior teeth and posterior teeth. It differed widely in "o ka a sa n" (which means "Mother") and "a-gyo", when children were fitted with no appliance. These findings indicate that the pronunciation of "o ka a sa n" and "a-gyo" can be recovered to some extent if the children are provided with an appliance. However, a sound analysis indicates that their pronunciation ability of sounds on "ka-gyo", "sa-gyo" and "ta-gyo" (the second, third and fourth lines of the Japanese syllabary) can hardly be fully recovered.

Child↗

PubMed1989

[Relationship among child, protector and operator at the training-room. The peculiar character of external behavior].

We have studied the external behaviors of the child, protector and operator at the dental care room from the aspects of the child's characteristic features and operator's characteristic features and the protector's degrees of anxiety. The courses from that the child and protector had entered the training-room with the operator till the child began to brush his teeth in the room were divided into four steps, so their external behaviors were investigated at each step. The conclusions were: 1. When compared the protector who had entered the dental care room with the child and had not entered, the former's degrees of anxiety were higher than the latter. 2. The child who had entered the dental care room with the protector had more negative behaviors than the child had entered by himself. 3. The children classified as the 'dependent, standard and independent type' by the characteristic features had equal rates of that their protectors had entered the dental care room. And they had the degrees of negative behavior equally. The protector's degrees of prompt were most in the children classified as the independent type. 4. When the protector had not entered the dental care room, the operator's degrees of prompt during the transfer from the waiting room to the training-room were more than the other steps. 5. When the protector had entered the dental care room, on the operator classified as the standard type by the characteristic features the degrees of prompt during the transfer from the waiting room to the training-room and in the room were more than the other steps. On the other side the operator classified as the stable type had more prompt in the entrance.

Adult↗

PubMed1989

[Cognition for visual perception of a student apprentice of dental hygiene to the presence of a parent beside the dental chair for dental treatment. The study of cognitive style and personality traits].

With a view to knowing how the dental hygienist looks at and makes cognition of a mother who is kept standing by her child just receiving his dental treatment, cognition from visual perception was examined, by dental hygienist apprentice. Possible difference in scene cognition process according to different cognition style of these subjects was also analyzed from the elements of eye-movement. On the basis of the results of a YG character test performed together, cognition styles and personality traits were examined additionally. The results obtained were as follows: 1. From the number of total scanned sites upon the observation of test movie, 9 and 6 subjects having reflective cognition style and impulsive cognition style, respectively could be divided out of all 43 subjects. 2. When the mother's countenance turned from calmness to uneasiness, the reflective style-group showed increased gaze at the mother's face. 3. When the mother's countenance turned from calmness to uneasiness, the impulsive style-group showed especially increased gaze at the child's face, with a tendency to gazing obviously biased toward his face. 4. The reflective style-group tended to have visual scanning strategies by which it observes each of the sites under test movie, while always contrasting them. 5. The impulsive style-group tended to have visual scanning strategies by which it observes one of the sites under test movie and then the other. 6. Compared with the reflective style-group, the impulsive style-group showed personality traits such as less depression, low general activity and weak initiative. 7. The above results revealed that a subject having impulsive cognition style found a difficulty in taking a wide view of the situation in which its mother is just present in the treating room and was easily put under visual influence of any change in its mother's countenance.

Adult↗

PubMed1988