Objectives: This study compares the anesthetic efficiency of the intraligmentary needless device (NumBee) and traditional dental syringe utilized to anesthetize mandibular 1st permanent molar, in addition to assessing the pain perception experienced by the subject during anesthesia injection and cavity preparation. Materials and Methods: Non fearful 30 children aged 6-8 years without a history of exposure to dental anesthesia were chosen to participate in the study using a randomized split-mouth design. All of them were indicated for simple class I dental restoration for both of their mandibular 1st permanent molars. In two randomized sequential dental treatment sessions, they were administered local anesthesia using NumBee for one of their treated teeth and a conventional dental syringe for the other tooth. The pain perception for both devices during the local anesthetic injection and during cavity preparation was evaluated by using Wong Baker Faces pain scale while the efficiency was recorded according to the reported symptoms during cavity preparation. Results: Most of girls who injected by NumBee, experienced significantly less pain during the injection than during cavity preparation (p< 0.05). However, when the children were anesthetized with NumBee, the pain experience during cavity preparation was significantly higher than those anesthetized with inferior alveolar nerve block (p<0.05). Conclusion: NumBee provided a more comfortable and less painful injection as compared to Inferior dental nerve block. However, NumBee gives less anesthetic depth than the inferior alveolar nerve block. Clinical relevance: The features of the NumBee device, such as the absence of a needle, an appearance that is less likely to provoke anxiety, a reasonable duration of action, and the non-necessity of anesthetizing the entire dental nerve branch, could provide a more comfortable injection, and children might indeed favor it to the traditional syringe. Trial registration. : No. 576322 Date: 2.6.2022
Objectives: Dental anxiety among children is a familiar problem. The study (cross sectional) was conducted to evaluate dental anxiety precedes the first dental examination in relation to dental caries experience according to nutritional status of children and to measure salivary alkaline phosphatase in relation to dental anxiety. Material and Methods: A total of 82 children aged six to eight years old, selected from public clinics in Baghdad city were divided into two groups: anxious and non-anxious group according physiological measures (heart rate and oxygen saturation) before first dental treatment. Weight and height for each child were measured to determine the nutritional status (normal weight, overweight and obese). Dental caries (experience and severity) in children with different nutritional status were recorded by using DMF, dmf and Manjie et al indices. Saliva was collected to analyze salivary alkaline phosphatase. Results: No statistical significant differences were observed between anxious and non-anxious children in means of dmf and DMF indices for primary and permanent teeth (p>0.05). Higher mean of D1 (initial enamel caries) was found in non-anxious children than anxious with statistical significant difference (P<0.05) in normal weight children only. Salivary alkaline phosphatase was not significantly different between the two groups.
Background: There are many types of oral bacteria, and they differ between healthy children and children with an oral cleft. The purpose of this study was to compare the level of Staphylococcus aureus and Escherichia coli in complete cleft infants with normal infants. Materials and Methods: Fifty-two Iraqi infants had participated in this study (26 infants were with cleft and 26 infants were the control healthy group), the study group included 13 infants with class III Veau’s palatal classification, and 13 with class IV Veau’s palatal classification). All are aged from 1 day to 4 months. They were selected and submitted to a questionnaire and clinical examination and bacterial examination. Data description, analysis and presentation were performed using statistical package for social science (SPSS version 21). Results: The counting and colonization of S. aureus and GV- (E. coli) were higher in cleft group than in control group.
Variety of materials have been utilized. Zinc oxide eugenol was traditionally used to fill primary teeth root canals, but as attempt to conduct better material we used eucalyptus instead of eugenol to see whether it will be less microleakage than zinc oxide eugenol. Aim: The goal of this research was to assess the microleakage of zinc oxide eucalyptus and zinc oxide eugenol in circumstances that were as near to clinical as possible. A primary human deciduous teeth were extracted and stored in normal saline as to preserve the qualities of extracted teeth as possible. Methology: Hence numerous analyzing ways have been suggested accordingly. yet preceding studiers and researchers shown the effectiveness of Indian ink penetration for direct linear leakage scope (Gutmann JL,1993).so this procedure chosen (the Indian ink). Groups: The following groupings of specimens were created: 40 Extracted primary teeth were obturated with zinc oxide eugenol in one group and other 40 primary teeth were filled with zinc oxide eucalyptus. Analysis: by visualizing teeth after soaking into Indian Ink with microscope and measuring the microleakage by millimeter. Results: both material shown microleakage but ZOEUE was further more.
Background and Aims Acid‐induced demineralization may be caused by the consumption of liquid medications routinely administered to children. Therefore, different remineralizing agents, such as fluorides and nano‐hydroxyapatite, have been added to oral care products to remineralize erosive lesions. This study was conducted to compare the effectiveness of 1% nano‐hydroxyapatite suspension and 2% sodium fluoride solution on the surface texture of primary teeth enamel previously exposed to liquid drugs. Methods Thirty posterior primary teeth were extracted and grouped depending on the remineralizing agent used: (A) nano‐hydroxyapatite and (B) sodium fluoride. Groups A and B were subjected to liquid medication in two subgroups: cephalexin (cephalexin monohydrate) and ParAzar (acetaminophen), followed by remineralization with 1% nano‐hydroxyapatite suspension and 2% sodium fluoride solution. An atomic force microscope was used to analyze the surface texture of the primary tooth enamel by measuring the roughness and waviness parameters of the tested surfaces. The examination was performed at baseline, 7 days after exposure to drugs, and after exposure to remineralizing agents. Results A significant difference in enamel surface roughness between nano‐hydroxyapatite‐treated surfaces and sodium fluoride‐treated surfaces was observed. A significant change was observed in the surface waviness of the primary enamel surface of sodium‐fluoride‐treated teeth that were subjected to cephalexin. Conclusion Routine use of liquid medications could have a negative impact on primary enamel surface topography, because the primary tooth enamel is less mineralized than permanent tooth enamel. Our results show that compared with a 2% sodium fluoride solution, a 1% nano‐hydroxyapatite suspension can be used for remineralizing and restoring defects of the enamel surface of primary teeth following exposure to liquid medication, thus reinforcing dental tissues with higher efficacy.
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