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2016| September-December | Volume 5 | Issue 3
Online since
August 26, 2016
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ORIGINAL ARTICLES
Prevalence and determinants of dental anxiety among adult population in Benin City, Nigeria
Braimoh Omoigberai Bashiru, Owoturo Enere Omotola
September-December 2016, 5(3):99-103
DOI
:10.4103/2278-9626.189252
Objectives:
Dental anxiety is a significant determinant of regular dental visits. The objectives of the study were to determine the prevalence and determinants of dental anxiety among adult patients at the dental center of the University of Benin Teaching Hospital.
Subjects and Methods:
A total of 390 respondents aged 16-89-year-old were interviewed for the study. The Participants were selected through a predetermined sequence of systematic random sampling and completed a questionnaire based on the Coral Dental Anxiety Scale (CDAS). Data were analyzed using Statistical Package for Social Sciences version 20.0 (SPSS version 20, IBM Statistics, New York, USA) and means compared using Student's
t
-test and analysis of variance.
Results:
The prevalence of dental anxiety (CDAS ≥ 13) in the study population was 8.7% (
n
= 34), and the overall mean and standard deviation of CDAS was 7.81 ± 2.50. The total mean dental anxiety score and mean for each item were significantly higher in females than in males (
t
= 6.17
P
= 0.016). There was a significant decrease in mean CDAS score with age (
F
= 14.51,
P
= 0.005). Mean CDAS score was significantly higher in respondents without formal education than those with formal education (
t
= 7.41,
P
= 0.005). The mean CDAS scores for root canal therapy were 9.66 ± 3.16; extraction, 8.84 ± 2.33; filling, 6.45 ± 2.81; and scaling, 5.12 ± 1.87. The highest and lowest means were not significantly different (
t
= 2.73,
P
= 0.07).
Conclusion:
The prevalence of dental anxiety in the study sample was low. Whereas dental anxiety was significantly associated with age, gender, and educational status, there was no significant relationship between dental anxiety and type of dental treatment.
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Physical properties of acrylic resin teeth submitted to toothbrushing and immersion in beverages
Ana Carolina Pero, Izabela Borghi, Danny Omar Mendoza Marin, Vivian Barnabe Policastro, Norberto Martins de Oliveira Junior, Marco Antonio Compagnoni
September-December 2016, 5(3):122-126
DOI
:10.4103/2278-9626.189257
Background:
Brushing and consumption of dye beverages may alter the physical properties of artificial teeth.
Objective:
The objective of this study was to evaluate the effect of toothbrushing and immersion in beverages in roughness and color of two types of artificial teeth: Biotone (B) and Biotone interpenetrating polymer network (IPN).
Materials and Methods:
For each tooth, seven groups were formed (
n
= 10): Toothbrushing (T), toothbrushing + water (TW), toothbrushing + coke (TCk), toothbrushing + coffee (TCf), immersion in water (W), coke (Ck), coffee (Cf). Roughness and color stability evaluations were performed before treatment and after treatment. According to the group, 11,000 brushing cycles were performed and specimens were immersed in beverages for 12 days, both simulating a period of 1 year. Color variations were captured by a spectrophotometer and roughness was analyzed by a profilometer. Color data were analyzed using analysis of variance (ANOVA) and Least significant difference test whereas roughness data were analyzed using ANOVA and Bonferroni test, both with α =0.05.
Results:
For Biotone, clinical significant color changes according to National Bureau of Standards (NBS) units were observed for the Groups T, TW, W, and Ck, and the results of ΔE were statistically similar among them (
P
> 0.05). For Biotone IPN, clinical significant color changes were found for TCf (4.86 NBS units) and Cf (4.82), and the results of ΔE were also similar among them. Surface roughness Ra (μm), regardless of the teeth, was reduced for the groups submitted to toothbrushing whereas no significant differences were found among the Groups W, Ck, and Cf.
Conclusions:
Toothbrushing had no influence on the color stability but significantly reduced the roughness, irrespective of the type of tooth.
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1
Association of dental caries experience with individual and contextual variables in Brazilian children
Valeria Silva Candido Brizon, Gabriela Christiel Soto Rojas, Glaucia Maria Bovi Ambrosano, Luciane Miranda Guerra, Antonio Carlos Pereira
September-December 2016, 5(3):104-110
DOI
:10.4103/2278-9626.189254
Context:
There is a trend toward reduction in the caries index in populations of schoolchildren in developed and developing countries. In spite of this reduction, 53.4% Brazilian children present caries experience in primary dentition.
Aims:
To evaluate the association between dental caries experience in 5-year-old Brazilian and individual and contextual variables.
Settings and Design:
An analytical cross-sectional study was conducted.
Materials and Methods:
Data of a national oral health epidemiological survey - SB Brazil 2010 were taken. The outcome studied was caries experience measured by the decayed, missing, and filled teeth (dmft) index. The independent variables were classified into individual (sex, occlusion, treatment need, number of persons' resident in the home, number of bedrooms in the residence, number of goods/assets, and family income) and contextual (family financial aid grand, national health system performance index (Νndice de Desempenho do Sistema Único de Saúde [IDSUS]), Gross National Product, per capita, Human Development Index, and fluoridated water) variables.
Statistical Analysis Used:
The data were initially analyzed by the Chi-square test, then was applied the multilevel model.
Results:
Only the contextual variable that evaluates access and quality of public services (IDSUS) was observed to affect the children's dmft index. The individual variables: male sex (
P
= 0.0005), occlusion (
P
= 0.0437), dental treatment need (
P
< 0.0001), number of persons' resident in the home (
P
< 0.0001), number of bedrooms in the residence (
P
= 0.0152), number of goods/assets (
P
= 0.0147), and family income (
P
= 0.0044) were significant.
Conclusions:
There is an impact of social determinants on health at individual level but only the IDSUS contextual variable was associated with dmft. Are necessary development public policies to deal with caries with a focus on these determinants?
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Surface roughness of restorative materials after immersion in mouthwashes
Lauren Oliveira Lima Bohner, Ana Paula Terossi de Godoi, Ahad Shahid Ahmed, Pedro Tortamano Neto, Alma Blasida Concepcion Elizaur Benitez Catirse
September-December 2016, 5(3):111-114
DOI
:10.4103/2278-9626.189255
Objective:
To evaluate the surface roughness of resin composite and ceramic material after immersion in mouthwashes.
Methodology:
Thirty specimens of resin composite and ceramic material were prepared with a stainless steel matrix (6 mm × 2 mm). The samples of each material were divided into three groups (
n
= 10), according to the mouthwashes: Distilled water (DW), chlorhexidine (CL) 0.12%, and cetylpyridinium chloride (CC). Specimens were individually submitted to the immersion cycle in 15 mL of mouthwash for 30 days, three times per day, for 1 min/cycle. Surface roughness measurements were performed at three different time intervals: Before the first cycle (T0), after 7 (T1), and 30 days (T2) of immersion. Data were analyzed by the two-way ANOVA and Tukey tests (
P
≤ 0.05).
Results:
There was no statistically significant difference in surface roughness of resin composite among mouthwashes (DW - 1.4 ± 0.13 μm; CL - 1.16 ± 0.13 μm; CC - 1.18 ± 0.13 μm). Surface roughness was statistically significantly lower after 30 days (T2-0.56 ± 0.60 μm) compared with the initial period (T0-1.63 ± 0.60 μm) and after 7 days (T1-1.57 ± 0.60 μm). For ceramic material, CC (3.75 ± 0.60 μm) caused a higher level of surface roughness compared with DW (2.57 ± 0.60 μm) and CL (3.39 ± 0.60 μm). There was no statistically significant difference among the different time intervals (T0-3.05 ± 0.18 μm; T1-3.41 ± 0.18 μm; T2-3.26 ± 0.18 μm).
Conclusion:
Mouthwashes did not promote a significant change in surface roughness of composite resin. Cetylpyridinium chloride promoted an increase in surface roughness of dental ceramic.
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3,796
686
3
Chromatic and surface alterations in enamel subjected to brushing with desensitizing whitening toothpaste
Gabriela Queiroz de Melo Monteiro, Isabelle Lins Macedo de Oliveira, Oscar Felipe Fonseca de Brito, Brunna Paredes Guedes, Marina Schuler Mello Lula de Amorim, Ana Marly Araujo Maia
September-December 2016, 5(3):115-121
DOI
:10.4103/2278-9626.189256
Aim:
This study evaluated the chromatic and surface changes on enamel after toothbrushing with whitening and desensitizing toothpaste.
Materials and Methods:
Sixty enamel blocks were prepared, pigmented, and stratified according to initial Knoop microhardness and divided into six groups. The average roughness (Ra) was determined from two readings. After 24 h in artificial saliva, 10,000 cycles of simulated brushing were applied. The Ra was measured after 5000 and 10,000 cycles, and tooth wear was determined. The mean roughness was evaluated, and tooth color was recorded before and after treatment.
Results:
Brushing with dentifrices increased the roughness of enamel in all groups. It was lower for Colgate Sensitive Pro-Relief + Bleaching, Colgate maximum protection anti-caries, and the control group. Greater roughness was observed in dentifrices containing silica. Greater wear was found with Sensodyne bleaching extra fresh and in the control group. The best bleaching effect was found with Colgate Sensitive Pro-Relief + Bleaching. Colgate Sensitive Whitening, Oral-B Pro-Health Whitening, and Sensodyne Whitening Extra Fresh showed major changes on surface roughness.
Conclusion:
The physical characteristics of the minerals of the toothpaste appear to be the major determinant of dental abrasion, not their quantity or whitening capacity, or rather their ability to remove enamel surface stains.
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3,378
351
3
LETTER TO EDITOR
A case of unusual mandibular cyst
Ahmad K Abou-Foul, Andrew Currie
September-December 2016, 5(3):127-127
DOI
:10.4103/2278-9626.189258
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1,961
203
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