Influence of Maternal Prenatal Vitamin D Status on Infant Oral Health

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Since maternal calcium levels were found to be significantly inversely associated with infant dt scores (Table 5.21) this variable was also added to the Poisson regression model appearing in 5.22. Results <strong>of</strong> this model (data not shown) indicated that enamel hypoplasia, infant age <strong>of</strong> ≥ 14 months, and maternal vitamin D levels were significantly and independently associated with untreated primary tooth decay rates (dt) (p
Chapter 6 – Discussion There is no doubt that optimal vitamin levels are associated with improved health outcomes. It also appears that oral health is influenced by vitamin D concentrations (as reviewed in Chapter 1, Section 3). For instance, we know that vitamin D regulates the body’s use <strong>of</strong> calcium and plays a key role in crani<strong>of</strong>acial development and the maintenance <strong>of</strong> good oral health. <strong>Vitamin</strong> D has a role in enamel and dentin formation and also is associated with periodontal and oral bone health. 1,2 Higher serum levels <strong>of</strong> 25(OH)D are generally associated with improved periodontal health outcomes for adults. Several early studies identified a connection between vitamin D fortified diets and caries and enamel hypoplasia in school aged children. As reviewed in Chapter 1, Section 3, research from the first half <strong>of</strong> the twentieth century suggested that school-aged children receiving cod liver oil on a daily basis had a lower incidence <strong>of</strong> caries in both their primary and permanent dentition after two years. 3 In addition, children receiving radiostol (vitamin D) had significantly lower incidence and extent <strong>of</strong> caries in the permanent dentition than controls. 3 Further, cod liver oil and sunbathing during infancy and early childhood was shown to be effective in decreasing the incidence <strong>of</strong> enamel hypoplasia in the permanent dentition. 4 Unfortunately, most <strong>of</strong> these studies were not controlled trials and did not involve large samples <strong>of</strong> children needed for statistical power. They also did not correlate actual 25(OH)D levels with caries or developmental defects <strong>of</strong> enamel (DDE) like enamel hypoplasia. Few studies have reported associations between vitamin D status (e.g. neonatal tetany as a result <strong>of</strong> maternal vitamin D deficiency, chronic disorders <strong>of</strong> calcium and phosphate homeostasis like <strong>Vitamin</strong> D Dependent Rickets (VDDR), privational 6-1
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Influence
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Abstract Influence
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Acknowledgements This longitudinal
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Table of Contents
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Status and Non-<st
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Table 1.1-1 - Recent studies report
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Table 1.1-2 - Previous used terms f
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The Link Between Enamel Hypoplasia
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If enamel hypoplasia results from n
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malocclusions. 145 Additional human
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Daily intakes of v
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13. Milnes AR, Rubin CW, Karpa M, T
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40. Definition of
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71. Watt RG. From victim blaming to
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97. Fearne JM, Bryan EM, Elliman AM
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124. Burt BA, Pai S. Does low birth
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151. Tinanoff N, D
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Section 2 - Risk Factors for Enamel
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correspond to the timing of
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een published. 3,4,17,19 The intent
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Table 1.2-2 - Risk factors for DDE
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Opacity 51 Implicated Risk Developm
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Implicated Risk Factor Factors asso
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o Metabolic Abnormalities and Healt
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12 months of life.
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Other Factors Some uncommon risk fa
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devastating problem of</str
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13. An epidemiological index <stron
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54. Seow WK, Perham S. Enamel hypop
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82. Berdal A, Papagerakis P, Hotton
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Vitamin D may be d
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have been used to prof</str
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health’. In addition, articles we
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36 month trial had ended. 45 The nu
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Recently, a cross-sectional study <
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andomized, placebo-controlled study
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Further, amelogenin and enamelin, p
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A study of Austral
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Both dietary interventions and supp
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incidence of carie
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important nutrient. However, many <
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caries, and more hardening
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controls. 106 Interestingly, childr
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A few years later, additional resea
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Delayed Tooth Eruption Vita
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Description of Pop
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Influence
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D has an effect on the dentition, p
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14. Utiger RD. The need for more vi
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42. Spiller WF, Jr. A clinical eval
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67. Itota T, Tashiro Y, Torii Y, Ni
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95. Bruszt P. Kariesuntersuchungen
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121. Seow WK, Needleman HL, Holm IA
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Chapter 2 - Methods for a Prospecti
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Each participant also completed an
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Table 2.2 - Recognized case definit
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Population The target population fo
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allowed the project to suffer some
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women of limited m
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involving the surface of</s
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and training cup. In addition, each
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The questionnaire was administered
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statistics including frequencies an
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elationship between the two. Poisso
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References 1. Combs GF. Vit
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27. Seow WK, Amaratunge A, Bennett
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Table 3.2 - Self-declared heritage
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Question Number Valid % Do you take
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Maternal Awareness
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time of recruitmen
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Table 3.6- Prenatal</strong
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A total of 77 care
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indicated that they were receiving
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and 11 hypoplasia). DDEs were also
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Caries rates for children in this p
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Table 3.12 - Frequency of</
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Chapter 4 - Results: Associations <
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II. Relationship Between 25(OH)D Le
Page 158 and 159: Pregnancy & Health Prof</st
Page 160 and 161: The frequency of v
Page 162 and 163: did not (42.9 ± 21.2 nmol/L vs. 49
Page 164 and 165: Early Childhood Caries (ECC) Pr<str
Page 166 and 167: likely to have vitamin D levels at
Page 168 and 169: did not statistically differ from v
Page 170 and 171: Figure 4.4 - Predicted number <stro
Page 172 and 173: Table 4.7 - Relationship between ds
Page 174 and 175: frequently, and less likely to have
Page 176 and 177: health as average or poor, and more
Page 178 and 179: tail (p=.034) suggesting that early
Page 180 and 181: The next series of
Page 182 and 183: Results from the second model appea
Page 184 and 185: Table 5.6 - Multiple regression sta
Page 186 and 187: vitamin D. However, it did suggest
Page 188 and 189: significant at the bivariate level
Page 190 and 191: Table 5.12(a) - Logistic regression
Page 192 and 193: III. Multivariate Regression Analys
Page 194 and 195: Table 5.14 - Logistic regression fo
Page 200 and 201: Table 5.19(b) - Backwards logistic
Page 202 and 203: Table 5.20(a) - Logistic regression
Page 204 and 205: Table 5.21 - Poisson regression for
Page 206 and 207: If enamel hypoplasia is present and
Page 210 and 211: vitamin D deficiency, and rickets)
Page 212 and 213: to obtain it. Health literacy may b
Page 214 and 215: vitamin D from the diet as dietary
Page 216 and 217: home environment can be determinant
Page 218 and 219: hormone, calcium absorption and bon
Page 220 and 221: important nutrient. For many, this
Page 222 and 223: this potential relationship with ac
Page 224 and 225: genetic conditions, childhood medic
Page 226 and 227: vitamin D status including milk int
Page 228 and 229: y cariogenic oral flora. 49 Since e
Page 230 and 231: (49.8 ± 26.3 nmol/L vs. 45.1 ± 20
Page 232 and 233: pregnancy, which may have influence
Page 234 and 235: observed and it allowed multiple ou
Page 236 and 237: scientific evidence linking prenata
Page 238 and 239: cognizant that children who undergo
Page 240 and 241: preventive program would need to be
Page 242 and 243: makers in the formative stages. As
Page 244 and 245: Surprisingly, the final regression
Page 246 and 247: 13. First Nations IaMHCCPS. <strong
Page 248 and 249: 38. Hollis BW. Circulating 25-hydro
Page 250 and 251: 65. Li Y, Navia JM, Bian JY. Caries
Page 252 and 253: 91. Brownell MD, Guevremont A, Au W
Page 254 and 255: Chapter 7 - Conclusions This thesis
Page 256 and 257: This study provided an interesting
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esiding in disadvantaged communitie
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If you are taking vitamins during t
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Do you Eat? Never Rarely (less than
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What problems can early childhood c
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Prenatal Nutrition
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Did you ever add sugar to the bottl
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Enamel Hypoplasia Enamel Hypoplasia
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Influence of Maternal Prenatal Vitamin D Status on Infant Oral Health

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