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Biomedical subjects

Zsuzsanna Tóth

Publications and source records attributed to Zsuzsanna Tóth.

14 recordsLinked to original sources

[Relaxation techniques in dentistry].

In the field of dentistry the increasing number of psychosomatic patients justify the introduction of psychological treatment methods into the dental care system. In this review authors try to collect the main points of the theoretical background and clinical principles of relaxation techniques. Some aspects of the concept of mental hygiene is also discussed to help dental professionals working in the field of general and psychosomatic dentistry in the orientation in this interesting and important field.

Dental Care↗

[Initial analysis of tooth drawings of 8-18 years old schoolchildren from normal population].

The connection between unconscious subjects and psycho-somatic manifestation is well known in the literature. Although more and more data is known about this connection related to the oro-facial region as well, investigation of this interesting problem is still has theoretical and clinical relevance. To collect more data about this field, 257 of tooth drawings of 8-18 years old schoolchildren from normal population were studied as a pilot to establish further investigations related to drawing-projections in connection with the oro-facial region. This first analysis of the data indicated that, gender correlates significantly with the size of the drawings (p< or =0.05), and localisation of the drawings (p< or =0.05). Differences between elementary schoolchildren and the more mature middle school children were detected as well related to subject (p< or =0.05) and localisation (p< or =0.05) of the drawings.

Adolescent↗

[Construction of the new dental arch in the prosthetic rehabilitation of cleft lip and palate. Case report].

The authors describe the prosthodontic rehabilitation of an adult patient with unilateral cleft lip and palate. After the surgical and orthodontic treatment of cleft lip and palate patients the prosthodontic treatment was started to correct the palatal defect, the malocclusion and the missing teeth. The authors emphasize on preliminary steps by using diagnostic casts and try-in dentures and they also suggest other directives in the dental management of cleft lip and palate patients.

Adult↗

[Long-term experience of immediate implant loading using DenTi implants. Part 1. Material, methods and experience in immediate loading of DenTi implants].

Immediate loading of dental implants have been widely used to retain and support crossarch partial dentures. Normally 3-6 months after implantation complete osseointegration is established, this period may be shortened with immediate loading of implants. The purpose of this study was to evaluate the factors that may influence the long-term success of immediate implant loading. The immediate loading technique with DenTi implants was introduced 12 years ago, and during this period the clinical results have been followed up on 257 DenTi implants in 83 patients. 62 patients and with 263 implants placed with submerged technique were recruited into the control group. The retrospective long-term follow-up examination has revealed that the success rate of DenTi implants with traditional two stage surgery was 97.4%. The success rate of DenTi implants with immediate loading was 95.71%. According to the date of the success rata and prognosis of immediate loaded implants are comparable to the traditional two stage submerged implants.

Adult↗

[Background data about the dental fear scores of Hungarian secondary school students].

Free association (coupling) of 139 Hungarian secondary school students (90 females, 49 males, age between 14-18 yr.) about their teeth was collected. Dental fear (DAS, DFS) and general anxiety scores were measured. Typical dental events (i.e.: simple and traumatising dental treatments, etc.) were coupled by the participants in 36,7% of the cases. Functions and importance of the teeth and oral hygiene were described in 7,2% of the cases. Simple, grotesque, or magical stories and tales about teeth were found in 16,5% of the cases. No answer was found in 39,6% of the cases. Highest dental fear and general anxiety scores were found in the group coupled traumatising dental treatment. Age had no influence on the sense of the association (coupling).

Adolescent↗

[Lexicologic parameters of free association (coupling) about teeth of Hungarian primary school children. An initial study].

Free association (coupling) of 97 Hungarian primary school children (age: 8-15 yrs, 44 male, 53 female) about their teeth was collected and analysed related to lexicologic parameters, as a pilot to establish further investigations. In some cases significant (p < or = 0.05) differences within the groups related to several topics were detected in the case of the length of the text and in the case of the distribution of etymons (root of word). Gender significantly influenced the length of the text as well. Some effect of dental fear and anxiety on the length of the text, and on the etymon's distribution may also be possible. The analysis of the most frequently used words indicated some coupling of pain and fear, and the importance of the mother in how the children see dental life events.

Adolescent↗

Oxidation of chlorine(III) by hypobromous acid: kinetics and mechanism.

The kinetics and mechanism of the chlorine(III)-HOBr reaction were studied by the stopped-flow method under acidic conditions, pH 1.0-3.0, in 1.0 M NaClO(4) and at 25.0 degrees C. The overall redox process occurs in two consecutive steps via the formation of the BrClO(2) intermediate. The electron transfer reactions are coupled with bromine hydrolysis, the formation of the tribromide ion, and the protolytic equilibrium of chlorine(III). On the basis of simultaneous evaluation of the kinetic traces, the following rate constants were obtained for the redox steps: HClO(2) + HOBr right harpoon over left harpoon BrClO(2) + H(2)O, k(3) = (3.34 +/- 0.02) x 10(4) M(-1) s(-1), k(-3) = (3.5 +/- 1.3) x 10(3) s(-1); BrClO(2) + ClO(2)(-)<==>2ClO(2) + Br(-), k(4) = (2.9 +/- 1.0) x 10(7) M(-1) s(-1). The second step was practically irreversible under the conditions applied, and the value of k(-4) could not be determined. The equilibrium constant for the formation of BrClO(2), K(3) = 9.5 M(-1), was calculated from the kinetic results, and it was confirmed that this species is a very powerful oxidant. The redox potential was also estimated for the BrClO(2) + e(-) = Br(-) + ClO(2) reaction: epsilon(0) approximately 1.70 V.

Journal Article↗

Photo-acoustic stimulation increases the amount of 70 kDa heat shock protein (Hsp70) in human whole saliva. A pilot study.

Long-term photo-acoustic stimulation leads to changes in the composition of saliva, which may have a key contribution to the effectivity of this technique in easing mucosal symptoms of psychosomatic patients. In the present study a significant (P <or= 0.01) increase in salivary 70 kDa heat shock protein, Hsp70 was demonstrated in human whole saliva after repeated photo-acoustic stimulation. Increased salivary chaperones may contribute to the effectivity of photo-acoustic stimulation, because of their cytoprotective extracellular actions.

Acoustic Stimulation↗

[The role of sexual trauma as a cause of orofacial symptoms. Case report].

Authors describe a 58-sitting psychotherapy of a 46-year-old female patient with psychogenic atypical facial pain. Sexual trauma in the childhood was found as a cause of the psychogenic pain symptoms, leading to series of unnecessary extraction of teeth in this case. Psychotherapeutic treatment led to the recovery of the somatic symptoms, and a moderate improvement of the behaviour related to men of this patient.

Child↗

[Some background data about the high dental anxiety of the Hungarian population].

100 dental patients waiting for hypnotic dental treatment (n = 100, 58 female, 42 male, mean age: 36.4 +/- 10.6 yr.) was investigated about their perceived origins of dental anxiety. Dental anxiety levels (DAS, DFS) and general anxiety were measured as well. Mean dental anxiety scores were high (DAS: 12.5 +/- 3.3; DFS: 47.9 +/- 17.3). The most frequent reason of high dental anxiety was previous painful dental treatment (20.0%), dislike of dentist's behaviour (15.0%), treatment error (5.0%), and "other reasons" (4.0%). A large amount of the patients (48.0%) did not know what to expect, and 8.0% indicate no fear related to dentistry. Previous painful dental treatment induced the highest dental anxiety (DAS: 15.1 +/- 3.1; DFS: 58.1 +/- 20.3), followed by the "other reasons" (DAS: 14.0 +/- 0.8; DFS: 50.5 +/- 13.5), treatment error (DAS: 13.0 +/- 3.7; DFS: 49.0 +/- 16.1), and dislike of dentist's behaviour (DAS: 11.4 +/- 2.8; DFS: 45.0 +/- 12.5). Increased general anxiety was found in the groups indicated previous painful dental treatment, "other reasons", and no expectation.

Adult↗

[Background data about the high dental fear scores of Hungarian 8-15-year-old primary school children].

Free associations (coupling) of 139 Hungarian primary school children about their teeth was collected. Dental fear (DAS, DFS) and general anxiety scores were measured. Typical dental events (i.e.: loss of deciduous teeth, simple and traumatising dental treatments, tooth fractures) were coupled by the participants in 41.0% of the cases. Functions and importance of the teeth and oral hygiene were described in 20.1% of the cases. Simple, grotesque, or magical stories and tales about teeth were found in 8.6% of the cases. No answer was given in 30.2% of the cases. Highest dental fear and general anxiety scores were found in the group coupled traumatising dental treatment. Traumatising loss of deciduous teeth was caused by the dentist or by the father of the child, and was associated with higher dental fear and general anxiety comparing to simple loss of deciduous teeth. Higher dental fear and general anxiety scores were found in the group coupled functions and importance of the teeth comparing to the group coupled simple, grotesque, or magical stories and tales, or the group giving no answer.

Adolescent↗

[Effectiveness of psychotherapy in the treatment of denture intolerance. Evaluation of 25 cases].

25 "problem-patients" of the Clinic of Prosthetic Dentistry participated in this study (21 female, 4 male, aged between 32-81 yr.; mean age: 56.92+/-12.09). All included therapies were provided by dentists specialised in psychotherapy, and the efficacy of our model to treat denture intolerance patients was analysed based on the time need, and other parameters. Psychiatric diagnostic (ICD-10) categories were: F20-29: 12%; F30-39: 40%, F40-48: 36%; F60-69: 12%. The efficacy of the provided psychotherapy was: recovery in 44% (patient accepted the denture); improvement in 32% (patient compromised to accept the denture); no effect in 24% (the patient did not accept the denture). Number of psychotherapeutic sittings ranged: 1-10 in 24%; 10-20 in 28%, 20-30 in 16%, 30-40 in 8%; 40-50 in 8%; 50-60 in 12%; and 80-90 in 4% of the cases. Our results indicate that, the efficacy of dentists specialised in psychotherapy is appropriate to treat denture intolerance patients. However, treatments are rather time consuming, and 24% of the cases are unsuccessful. Because of this, the prevention and early diagnosis of this problems are crucial.

Adult↗

[The effect of heat stimulation and mechanical stress (massage) of salivary glands on the secretory parameters of salivary Hsp70. A pilot study].

The presence of Hsp70 in human whole saliva was demonstrated in the authors' previous study. In the recent study the authors investigated, whether repeated, short-term heat and mechanical stimulation of the salivary glands can specifically modify the salivary Hsp70 concentration in the human whole saliva. Some other basic secretory parameters, like salivary secretion rate, total protein concentration and amylase activity of the whole saliva were also measured. Both kind of stimulation increased the secretory rate significantly (p < or = 0.05), during stimulation, but it decreased to control level in resting phases. Hsp70 concentration increased after the first stimulation in the case of mechanical stress and after the second stimulation in the case of heat stimulation. In contrast, a significant (p < or = 0.05) confluent increase of total protein concentration and amylase activity occurred after the first stimulation in the case of heat stimulation and after the second stimulation in the case of mechanical stress. Further investigations are needed to evaluate the durability and clinical importance of salivary changes following local heat and massage stimulation.

HSP70 Heat-Shock Proteins↗

[The Hungarian version of the "Dental Beliefs Survey (DBS)--preliminary data in the Hungarian population].

The Hungarian version of DBS was analysed on 100 participants (64 females, 36 males, mean age: 36.4 +/- 14.3) from 5 subgroups: dental students (n = 20), other intellectuals (n = 20), dental nurses (n = 19), dental patients (n = 20), family doctor's patients (n = 21). Mean values were: DBS: 29.1 +/- 10.8; DAS: 10.6 +/- 3.9; DFS: 39.0 +/- 16.7. Family doctor's patients scored higher (p < or = 0.05) on DBS than all other groups, and dental students scored lower on DBS than all other groups (p < or = 0.05; except other intellectuals). DBS scores of age group between 21-30 yrs. differed significantly from age groups 31-40 yrs. (p < or = 0.05) and 41-50 yrs. (p < or = 0.01). There were no differences related to gender and marital status related to DBS scores. Positive Pearson's correlation (p < or = 0.05) of DBS was stronger related to dental anxiety scores (DAS: r = 0.56, DFS: r = 0.63) than related to general anxiety scores, whereas Pearson's correlation between DAS and DFS scores was even more prominent (r = 0.82, p < or = 0.05).

Adolescent↗