جستجوی مقالات مرتبط با کلیدواژه « دندان های شیری » در نشریات گروه « پزشکی »

Due to the importance of preserving baby teeth, it is necessary for parents to have correct information about dental services for these teeth, the present study was conducted with the aim of investigating the acceptance of suggested treatments for baby teeth by parents.

In this descriptive-cross-sectional study, 218 parents of children under 12 years old who were referred to the Pediatric Dentistry Department of Yazd Faculty of Dentistry in 2022 were randomly included in this study. The acceptance rate of dental treatments was asked by a checklist with 7 comprehensive questions and the answers were recorded. Data were analyzed using SPSS version 16 and Chi-square statistical test.

Out of 218 parents who participated in this study, 38 (17.4%) were male and 180 (82.6%) were female. The most acceptable treatments by parents were: pulp treatment (98.6%), dental radiographs (97.7%), tooth extraction (97.2%) and stainless-steel crowns (95%). The lowest rate of acceptance was for general anesthesia (23.4 %), fissure sealant (30.7 %) and sedation technique (36.2 %), respectively. Acceptance of fluoride gel and sedation by mothers was significantly higher than fathers (P <0.05). No statistically significant difference was observed in terms of the age and gender of the child with the acceptance of treatment by their parents (P<0.05).

Based on the findings of the present study, the most and the least acceptable treatments according to parents were pulp therapy and general anesthesia services, respectively. Parents' level of education, monthly income, child's age،, and gender did not have a significant impact on parents' acceptance of treatment.

One of the concerns of dentists is selecting a suitable brand of stainless steel crowns with maximum dimensional adaptation with primary teeth. The aim of this study was to compare the primary molar crown dimensions with that of two brands of stainless steel crowns (SSCs) in a sample of Iranian children.

 In this study, 130 eligible children between 3 and 12 years (66 boys, 64 girls) were selected. After recording the demographic information, the mesiodistal, buccolingual and occluso-gingival dimensions of first (D) and second (E) primary molars were measured on dental casts and compared with the dimensions of KTR (MeiMeiMinBenjing, Benjing, China) and Shinghung (Shinhungcompany, Seoul, South Korea) SSCs. Data were assessed using chi-square test and Pearson correlation coefficient. P<0.05 was considered statistically significant.

In this study, the most dimension matching of the teeth with that of SSCs were observed mesiodistally in upper D and lower D, buccolingualy in the upper D and lower D, and occluso-gingivaly in upper D and lower E. The most cases of mismatch in the mesiodistal dimensions of the teeth with that of SSCs were observed in the lower E and upper D. Also, the most cases of mismatch in the buccolingual dimension were found for upper E and lower E.

Both SSCs brands in this study showed significant dimensional adaptation with the primary teeth in Iranian children. The most dimensional adaptation was between KTR SSCs and maxillary primary molars, and between Shinhung SSCs and mandibular primary molars.

Proper assessment of dental status and understanding the causes of teeth decay and needs of different age groups play an important role in determining the health status and health plan of comm. -unities. This study aimed to explore the pre-valence and causes of dental caries in 2-6 years old children of Kashan city in 2010.

This descriptive cross-sectional study was conducted on 310 children، aged 2-6 years، in Kashan city during 2010. Sampling was made through a two-staged and randomized procedure. Data were collected from dental examination and completed questionnaires and then was analyzed using SPSS software program. The relationships between dmft index and underlying variables were examined by the non-parametric tests، Mann-Whitney and Kruskal-Wallis.

results of the study showed 51. 3% of 2-6 years old children and 70% of 5-6 years old children had no tooth caries. And the mean of dmft index was obtained to be 2. 34 ± 1. 57. There was a significant relationship between tooth caries and the type of consumed milk (p. v=0. 002)، milk consumption period (p. v=0. 025)، brushing the teeth by mother (p. v= 0. 004)، brushing age (p. v=0. 004)، brushing frequency (p. v=0. 042)، flossing frequency (p. v=0. 025)، and children trend toward candy foods (p. v=0. 000). Discussion & Conclusion sy: Since the rate of CF among children aged 5-6 years old in the population under study is far away the international standards of WHO، health professionals can provide the nece-ssary guidelines and training programs reg-arding preventive health behaviors and eating habits for parents and children. They could also strengthen the cultural beliefs، introduce and support consulting services stems and promote children oral health in community.

Radiography is the most common method for measurement of working length، though it is not the ideal method because of technical problems، radiation hazard، superimposition of permanent teeth bud on primary teeth، and so on. Electronic Apex Locator (EAL) is a device for determination of working length. Therefore، this study aimed to compare the accuracy of an electronic apex locator and radiography for determining working length of primary necrotic molars.

sixty canals of twenty necrotic mandibular primary molars were used in children with 5-7 years old. There were no calcified canal، previous root canal therapy and perforation of pulp chamber floor. Access cavity was prepared and working length was determined by means of NSK EAL and conventional radiography and then was compared. Moreover، Pulpectomy was completed. Data were analyzed by Paired Samples T test.

In 56 (93. 3%) of the canals، the length measured by NSK EAL was determined to be equal to the length measured by radiography. In 3 canals (5%)، NSK measurements were found to be less than radiography measurements for 1mm and in 1 canal (1. 7%)، it was greater than radiography measurements for 1mm. T test analysis indicated no significant difference between the two measurement methods (p=0. 85).

Electronic apex locator can accurately assess the length of canals in primary molars.

There is a high demand for tooth-colored restorations in pediatric dentistry. Since etch-and-rinse adhesive systems are time-consuming, there is a tendency to replace them with simplified adhesive systems. This study compared microleakage of class V composite resin restorations in primary teeth restored using simplified adhesive systems.

In this in vitro study standard class V cavities were prepared in 60 primary canines with incisal margins in enamel and gingival margins in dentin. The samples were randomly divided into 4 groups and restored as follows: Group 1: Opti Bond Solo Plus (OBP); Group 2: Clearfil SE Bond (SEB); Group 3: Clearfil S3 Bond (S3B); Group 4: Xeno IV (XeIV). The cavities were filled with Filtek Z250 composite resin and observed under a stereomicroscope at × 32 for microleakage scoring. The results were analyzed with Kruskal-Wallis test followed by Mann-Whitney and Wilcoxon Signed Rank tests using SPSS software.

The results showed significant differences between groups 1 and 4 and group 3 in enamel leakage (p value = 0.005). There was also a significant difference between group 1 and groups 2 and 4 in dentinal leakage (p value = 0.001). The test showed that enamel leakage in groups 1 and 4 was significantly lower than dentinal leakage in these groups.

The strong acidic adhesives in groups 1 and 4 were more effective in enamel leakage prevention. The mild self-etching adhesive in group 3 was effective in enamel and was the best in dentin leakage prevention.