Enamel mineral loss

Journal of Dentistry

Volumn 42, Issue , 2014, Pages S2-S11

  West, Nicola X ^a   Joiner, Andrew ^b  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b UNILEVER RESEARCH   (United Kingdom)

Author keywords

Abrasion; Attrition; Caries; Demineralisation; Enamel; Erosion

Indexed keywords

CHEMISTRY; DENTAL CARIES; ENAMEL; HUMAN; PATHOLOGY; RISK ASSESSMENT; TOOTH ABRASION; TOOTH ATTRITION; TOOTH DEMINERALIZATION; TOOTH EROSION;

DENTAL CARIES; DENTAL ENAMEL; HUMANS; RISK ASSESSMENT; TOOTH ABRASION; TOOTH ATTRITION; TOOTH DEMINERALIZATION; TOOTH EROSION;

EID: 84955272640     PISSN: 03005712     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0300-5712(14)50002-4     Document Type: Article

References (143)

1. M.G. Brading, A. Joiner, D.F. Kinane Changes in oral health and condition with age International Dental Journal 59 2006 309 320
2. J.J. Ten Bosch, J.C. Coops Tooth colour and reflectance as related to light scattering and enamel hardness Journal of Dental Research 74 1995 374 380
3. A. Joiner Tooth colour: a review of the literature Journal of Dentistry 32 2004 3 12
4. A. Watts, M. Addy Tooth discolouration and staining: a review of the literature British Dental Journal 190 2001 309 316
5. M.K. Al-Omiri, P.J. Lamey, T. Clifford Impact of tooth wear on daily living International Journal of Prosthodontics 19 2006 601 605
6. G.A. Murrell Esthetics and the edentulous patient The Journal of the American Dental Association 117 1988 57E 63E
7. C. Robinson, R.C. Shore, S.J. Brookes, S. Strafford, S.R. Wood, J. Kirkham The chemistry of enamel caries Critical Reviews of Oral Biology and Medicine 11 2000 481 495
8. M.A.R. Buzalaf, J.P. Pessan, H.M. Honorio, J.M. ten Cate Mechanisms of action of fluoride for caries control M.A.R. Buzalaf Fluoride and the Oral Environment Monographs of Oral Science 22 2011 97 114
9. C. Robinson, J.A. Weatherall, A.S. Hallsworth Variations in the composition of dental enamel in thin ground sections Caries Research 5 1971 44 57
10. C. Robinson, J.A. Weatherall, A.S. Hallsworth Alterations in the composition of permanent human enamel during carious attack S.A. Leach W.M. Edgar Demineralisation and remineralisation of the teeth 1983 Oxford IRL Press 209 223
11. C.D. Lynch, V.R. O'Sullivan, P. Dockery, C.T. McGillycuddy, A.J. Sloan Hunter-Schreger Band patterns in human tooth enamel Journal of Anatomy 217 2010 106 115
12. C.D. Lynch, V.R. O'Sullivan, C.T. McGillycuddy, P. Dockery, J.S. Rees, A.J. Sloan Hunter-Schreger Bands and their implications for clinical dentistry Journal of Oral Rehabilitation 38 2011 359 365
13. th Ed 1998 St Louis Mosby
14. M. Addy, G. Embery, W.M. Edgar, R. Orchardson Tooth Wear and Sensitivity 2000 Martin Dunitz Ltd London
15. J.D.B. Featherstone Prevention and reversal of dental caries: role of low level fluoride Community Dentistry and Oral Epidemiology 27 1999 31 40
16. A. Joiner, G. Thakker In vitro evaluation of a novel 6% hydrogen peroxide tooth whitening product Journal of Dentistry 32 Suppl 1 2004 19 25
17. A.B. Mann, M.E. Dickinson The structure, function and properties of the acquired pellicle R.M. Duckworth The Teeth and Their Environment Monographs of Oral Science 19 2006 105 131
18. C. Robinson Fluoride and the caries lesion: interactions and mechanism of action European Archives of Paediatric Dentistry 10 2009 136 140
19. J.D.B. Featherstone, P. Goodman, J.D. MacLean Electron microscope study of defect zones in dental enamel Journal of Ultrastructural Research 67 1979 117 123
20. C. Dawes What is the critical pH and why does a tooth dissolve in acid? Journal of the Canadian Dental Association 69 2003 722 724
21. Y. Ericsson Enamel apatite solubility Acta Odontologica Scandinavica 8 Suppl 3 1949 1 139
22. P. Axelsson Diagnosis and Risk Prediction of Dental Caries Vol. 2 2000 Quintessence Publishing Co., Inc Carol Stream IL, USA
23. R.J.M. Lynch Calcium glycerophosphate and caries: a literature review International Dental Journal 54 2004 310 314
24. M. Tanaka, Y. Kadoma Comparative reduction of enamel demineralization by calcium and phosphate in vitro Caries Research 34 2000 241 245
25. R.J.M. Lynch, J.M. ten Cate The anti-caries efficacy of calcium carbonate-based fluoride toothpastes International Dental Journal 55 2005 175 178
26. D.A. Geddes Acids produced by human dental plaque metabolism in situ Caries Research 9 1975 98 109
27. J. Arends, J. Christoffersen The nature of early caries lesions in enamel Journal of Dental Research 65 1986 2 11
28. M. Pader Oral Hygiene Products and Practice 1988 Marcel Dekker Inc New York
29. E. Newbrun Sugar and dental caries: A review of human studies Science 217 1982 418 423
30. P.D. Marsh Microbiology of dental plaque biofilms and their role in oral health and caries Dental Clinics of North America. 54 2010 441 454
31. S.N. Peterson, E. Snesryd, N.J. Schork, W.A. Bretz Dental caries pathogenicity: a genomic and metagenomic perspective International Dental Journal 61 Suppl 1 2011 11 22
32. C.J. Whittaker, C.M. Klier, P.E. Kolenbrander Annual Review of Microbiology 50 1996 513 552
33. H.N. Newman, M. Wilson Dental Plaque Revisited - Oral Biofilms in Health and Disease 1999 Bioline Cardiff
34. R. Stephan Intra-oral hydrogen-ion concentration associated with dental caries Journal of Dental Research 23 1944 257 266
35. O. Fejerskov, A. Scheie, F. Manji The effect of sucrose on plaque pH in the primary and permanent dentition of caries-inactive and active Kenyan children Journal of Dental Research 71 1992 25 31
36. J.D.B. Featherstone Remineralization, the natural caries repair process - The need for new approaches Aduances in Dentistry 21 2009 4 7
37. F. Lagerlof, A. Oliveby Caries-protective factors in saliva Aduances in Dental Research 8 1994 229 238
38. G.K. Stookey The effect of saliva on dental caries Journal of the American Dental Association 139 Suppl 5 2008 11S 17S
39. J.W. Stamm Multi-function toothpastes for better oral health: a behavioural perspective International Dental Journal 57 2007 35163
40. K.A. Eaton, M.J. Carlile Tooth brushing behaviour in Europe: opportunities for dental public health International Dental Journal 58 2008 287 293
41. M. Malinowski, M.S. Duggal, S.M. Strafford, K.J. Toumba The effect on dental enamel of varying concentrations of fluoridated milk with a cariogenic challenge in situ Journal of Dentistry 40 2012 929 933
42. M.S. Duggal, A. Nikolopoulou, J.F. Tahmassebi The additional effect of ozone in combination with adjunct remineralisation products on Inhibition of demineralisation of the dental hard tissues in situ Journal of Dentistry 40 2012 934 940
43. A. Banerjee Minimal intervention dentistry: part 7. Minimally invasive operative caries management: rationale and techniques British Dental Journal 214 2013 107 111
44. A.M. Kidd Diagnosis of secondary Caries Journal of Dental Education 65 2001 997 1000
45. O. Backer-Dirks, J. van Amerongen, K.C. Winkler A reproducible method for caries evaluation Journal of Dental Research 30 1951 346 359
46. W.P. Rock, E.A.M. Kidd The electronic detection of demineralisation in occlusal fissures British Dental Journal. 164 1988 243 247
47. N. Pitt Clinical Diagnosis of dental Caries: A European Perspective Journal of Dental Education 65 2001 972 978
48. National Institute of Dental Research Oral Health of United States children National Survey if dental caries in US school children 1986-1987 1989 US Department of Health and Human Services, Public Health Services, National Institute of Health Washington DC 89 2247 National Institute of Health publication
49. K. Ekstand, V. Qvist, A. Thystrup Light microscope study of the effect of probing on the occlusal surfaces Caries Research 21 1987 368 374
50. th ed. 2011 Oxford University Press Oxford
51. rd ed pp.
52. Dental Caries (Tooth Decay) in Adults (Age 20 to 64). National Institute of Dental and Craniofacial Research http://www.nidcr.nih.gov/DataStatistics/FindDataByTopic/DentalCaries/DentalCariesAdults20to64 14 Jan 2014 Accessed
53. N. Nuttall, J.G. Steele, J. Nunn, C. Pine, E. Treasure, G. Bradnock et al. A guide to the UK Adult Dental Health Survey 1998 British Dental Journal 2001 Spec No:1-56
54. F.R. von der Fehr Caries prevalence in the Nordic countries International Dental Journal 44 4 Suppl 1 1994 371 378
55. G.V. Black Operative dentistry 1908 Medico-Dental Publishing Chicago
56. J.W. Osbourne, J.B. Summitt An in vitro comparison of radiographic and directly assessed clinical caries status of posterior approximal surfaces in primary and permanent teeth Caries Research 26 1992 136 152
57. S. Mickenautsch An introduction to minimum intervention dentistry Singapore Dental Journal 27 2005 1 6
58. S. Doméjean-Orliaguet, Gaucher C. Banerjee, I. Miletic, M. Basso, E. Reich et al. Minimal intervention Treatment Plan (MITP): practical implications in general practice Journal Minimal Intervention in Dentistry 2 2009 103 123
59. L. Bjørndal, C. Reit, G. Brunn, M. Markvart, M. Kjaeldgaard, P. Nasman et al. Treatment of deep caries lesions in adults: randomised clinical trials comparing stepwise vs. direct complete exaction and direct pulp capping vs. partial pulpotomy European Journal of Oral Science 118 2010 290 297
60. E.J. Metz-Fairhurst, J.W. Curtis, J.W. Ergle, F.A. Rueggeberg, S.M. Adair Ultraconservative and cariostait sealed restorations: results at year 10 Journal American Dental Association 129 1998 55 66
61. V. Thompson, R.G. Craig, F.A. Curro, W.S. Green, J.A. Ship Treatment of deep carious lesions by complete excavation or partial removal: a critical review Journal American Dental Association 139 2008 705 712
62. D.N. Ricketts, E.A. Kidd, N. Innes, J. Clarkson Complete or ultraconservative removal of decayed tissue in unfilled teeth Cochrane Database Syst Reu 3 2006 CD003808
63. D. Ricketts Deep or partial caries removal: which is best? Evidence Based Dentistry 9 2008 71 72
64. B.G.N. Smith, J.K. Knight An index for measuring the wear of teeth British Dental Journal 156 1984 435 438
65. L.A. Litonjua, S. Andreana, P.J. Bush, R.E. Cohen Tooth wear: attrition, erosion and abrasion Quintessence International 34 2003 435 446
66. M.L. Hunter, M. Addy, M.J. Pickles, A. Joiner The role of toothpastes and toothbrushes in the aetiology of tooth wear International Dental Journal 52 2002 399 405
67. M.E. Barbour, G.D. Rees The role of erosion, abrasion and attrition in tooth wear Journal of Clinical Dentistry 17 2006 88 93
68. D.H. Jager, A.M. Vieira, J.L. Ruben, M.C. Huysmans Estimated erosive potential depends on exposure time Journal of Dentistry 40 2012 1103 1108
69. M.E. Barbour, A. Lussi, R.P. Shellis Screening and prediction of erosive potential Caries Research 45 2011 24 32
70. A. Lussi, N. Schlueter, E. Rakhmatullina, C. Ganss Dental erosion - an overview with emphasis on chemical and histopathological aspects Caries Research 45 Suppl 1 2011 2 12
71. st ed 2000 Martin Dunitz Ltd London 201 216
72. st ed 2000 Martin Dunitz Ltd London 201 216
73. M. Addy Tooth brushing, tooth wear and dentine hypersensitivity - are they associated? International Dental Journal 55 2005 261 267
74. M. Addy, N. West Etiology, mechanisms, and management of dentine hypersensitivity Current Opinions in Periodontology 1994 71 77
75. P. Scheutzel Etiology of dental erosion - intrinsic factors European Journal of Oral Sciences 104 1996 178 190
76. D. Bartlett Intrinsic causes of erosion A. Lussi Dental Erosion From Diagnosis to Therapy Monographs of Oral Science 20 2006 119 139
77. D.T. Zero Etiology of dental erosion - extrinsic factors European Journal of Oral Sciences 104 1996 162 177
78. A. Lussi, T. Jaeggi Chemical factors A. Lussi Dental Erosion From Diagnosis to Therapy Monographs of Oral Science 20 2006 77 87
79. A. Lussi, T. Jaeggi Erosion - diagnosis and risk factors Clinical Oral Investigations 12 Suppl 1 2008 S5 S13
80. A.K. Johansson, P. Lingström, D. Birkhed Comparison of factors potentially related to the occurrence of dental erosion in high-and low-erosion groups European Journal of Oral Sciences 110 2002 201 211
81. C.R. Dugmore, W.P. Rock A multifactorial analysis of factors associated with dental erosion British Dental Journal 196 2004 283 286
82. D.T. Zero, A. Lussi Bevioral factors A. Lussi Dental Erosion From Diagnosis to Therapy Monographs of Oral Science 20 2006 100 105
83. A.K. Johansson, P. Lingström, T. Imfeld, D. Birkhod Influence of drinking method on tooth-surface pH in relation to dental erosion European Journal of Oral Sciences 112 2004 484 489
84. D.W. Bartlett, J. Fares, S. Shirodaria, K. Chiu, N. Ahmad, M. Sherriff The association of tooth wear, diet and dietary habits in adults aged 18-30 years old Journal of Dentistry 39 2011 811 816
85. A.T. Hara, A. Lussi, D.T. Zero Biological factors A. Lussi Dental Erosion From Diagnosis to Therapy Monographs of Oral Science 20 2006 88 99
86. M.A.R. Buzalaf, A.R. Hannas, M.T. Kato Saliva and dental erosion Journal of Applied Oral Sciences 20 2012 493 502
87. A. Lussi, M. von Sallis-Marincek, C. Ganss, E. Hellwig, Z. Cheaib, T. Jaeggi Clinical study monitoring the pH on tooth surfaces in patients with and without erosion Caries Research 46 2012 507 512
88. M. Hannig, A. Joiner The structure, function and properties of the acquired pellicle R.M. Duckworth The Teeth and Their Environment Monographs of Oral Science 19 2006 29 64
89. M. Hannig The protective nature of the salivary pellicle International Journal of Dentistry 52 2002 417 423
90. T. Gregg, S. Mace, N.X. West, M. Addy A study in vitro of the abrasive effect of the tongue on enamel and dentine softened by acid erosion Caries Research 38 2004 557 560
91. C.M. Kreulen, A. Van't Spijker, J.M. Rodriguez, E.M. Bronkhorst, N.H. Creugers, D.W. Bartlett Systematic review of the prevalence of tooth wear in children and adolescents Caries Research 44 2010 151 159
92. A. Van't Spijker, J.M. Rodrigues, C.M. Kreulen, E.M. Bronkhorst, D. Bartlett, N.H. Creugers Prevalence of Tooth Wear in Adults International Journal of Prosthodontics 22 2009 35 42
93. A. Lussi, C. Ganss Diagnosis of erosion Dental Erosion, diagnosis, risk assessment, prevention, treatment. Quintessence 2011 3 18
94. D. Bartlett, C. Ganss, A. Lussi Basic Erosive Wear Examination (BEWE): a new scoring system for scientific and clinical needs Journal of Clinical Oral Investigations 12 2008 65 68
95. A. Lussi, E. Hellwig, T. Jaeggi Prevention of erosion Dental Erosion, diagnosis, risk assessment, prevention, treatment. Quintessence 2011 55 60
96. N.X. West, J.A. Hughes, D.M. Parker, M. Moohan, M. Addy Development of low erosive carbonated fruit drinks 2. Evaluation of an experimental carbonated blackcurrant drink compared to a conventional carbonated drink Journal of Dentistry 31 2003 361 365
97. M.E. Barbour, M. Finke, D.M. Parker, J.A. Hughes, G.C. Allen, M. Addy The relationship beween enamel softening and erosion caused by soft drinks at a range of temperatures Journal of Dentistry 34 2006 207 213
98. C. Ganss, N. Schlueter, M. Hardt, P. Schattenberg, J. Klimek Effect of fluoirde compounds on enamel erosion in vitro: a comparison of amine, sodium and stannous fluoirde Caries Research 42 2008 2 7
99. S. Wetton, J. Hughes, N. West, M. Addy Exposure time of enamel and dentine to saliva for protection against erosion: a study in vitro Caries Research 40 2006 213 217
100. A. Milosevic, P.D. Slade The orodental status of anorexis and bulimics British Dental Journal 67 1989 66 70
101. T. Imfeld Dental erosion. Definition, classification and links European Journal of Oral Science 104 1996 151 155
102. J.S. Hand, R.J. Hunt, J.W. Reinhardt The prevalence and treatment implications of cervical abrasion in the elderly Gerodontics 2 1986 167 170
103. F.A. Xhonga, R.B. Wolcott, R.F. Sognnaes Dental erosion II: Clinical measurement of dental erosion progress Journal of the American Dental Association 84 1972 557 582
104. J. Bergstrom, S. Lavestedt An epidemiologic approach to toothbrushing and dental abrasion Community Dentistry and Oral Epidemiology 7 1979 57 64
105. J.C. Ervin, E.M. Bucher Prevalence of tooth root exposure and abrasion among dental patients Dental Items of Interest 66 1944 760 769
106. R. Orchardson, W.J.N. Collins Clinical features of hypersensitive teeth British Dental Journal 162 1987 253 256
107. A. Addy, M.L. Hunter Can toothbrushing damage your health? Effects on oral and dental tissues International Dental Journal 53 Suppl 3 2003 177 186
108. M. Eisenburger, P. Shellis, M. Addy Comparative study of wear of enamel with alternating and simultaneous combinations of abrasion and erosion in vitro Caries Research 37 2003 450 455
109. S. Hooper, N.X. West, M. Pickles, A. Joiner, R.G. Newcombe, M. Addy Investigation of erosion and abrasion of enamel and dentine: a model in situ using toothpastes of different abrasivity Journal of Clinical Periodontology 30 2003 802 808
110. ISO11609, ISO International Standard: Dentistry-Toothpaste Requirements, test methods and marking 1995 ISO Switzerland
111. N.X. West, S.M. Hooper, D. O'Sullivan, N. Hughes, M. North, E.L. Macdonald et al. In situ randomised trial investigating abrasive effects of two desensitising toothpastes on dentine with acidic challenge prior to brushing Journal of Dentistry 40 2012 77 85
112. A. Wiegand, M. Kuhn, B. Sener, M. Roos, T. Attin Abrasion of eroded dentin caused by toothpaste slurries of different abrasivity and toothbrushes of different filament diameter Journal of Dentistry 37 2009 480 484
113. F.A. Xhonga Bruxism and its effects on the teeth Journal of Oral Rehabilitation 4 1977 65 76
114. M. Eisenburger, M. Addy Erosion and attrition of human enamel in vitro Part I: interaction effects Journal of Dentistry 30 2002 341 347
115. J.A. Kaidonis, L.C. Richards, G.C. Townsend, G.D. Tansley Wear of human enamel: a quantitative assessment Journal of Dental Research 77 1998 1983 1990
116. M. Eisenbuger, M. Addy Erosion and attrition of human enamel in vitro part II: influence of time and loading Journal of Dentistry 30 2002 349 352
117. V.K. Jarvinen, I.I. Rytomma, H. Meurmann Localisation of dental erosion in a referred population Caries Research 26 1992 391 396
118. B.L. Dahl, G.E. Carlsson, A. Ekfeldt Occlusal wear of teeth and restorative materials Acta Odontologica Scandinavica 51 1993 299 311
119. D. Bartlett New Look at Erosive Tooth Wear in Elderly People The Journal of the American Dental Association 138 2007 21S 25S
120. B.L. Dahl, O. Krogstad, K. Carlsen An alternative treatment in cases with advanced localised attrition J Oral Rehabilitation 2 1975 209 214
121. S. Yoshizawa, T. Suganuma, M. Takaba, Y. Ono, T. Saki, A. Yoshizawa et al. Phasic jaw motor episodes in healthy subjects with or without clinical signs and symptoms of sleep bruxism: a pilot study Sleep Breath 18 2014 187 193
122. F. Burke Toothwear and the older patient Dental Update 38 2011 165 168
123. A.W. Wallis The use of adhesively retained all porcelain veneers during the management of fractures and worn anterior teeth: Part 1. Clinical technique British Dental Journal 178 1995 333 336
124. National Dental Epidemiology Programme for England, oral health survey of 5 year old children Public Health England, Department of Health, England, UK https://www.gov.uk/government/news/survey-finds-27-of-5-year-olds-have-tooth-decay 2012 accessed 13 Jan 2014.
125. C.M. Pine Designing school programmes to be effective vehicles for changing oral hygiene behaviour International Dental Journal 57 2007 377 381
126. B.G. Smith, N.D. Robb The prevalence of toothwear in 1007 dental patients Journal of Oral Rehabilitation 23 1996 232 239
127. D.K. Whittiker Historical and forensic aspects of toothwear M. Addy G. Embery W.M. Edgar R. Orchardson M. Dunitz Tooth Wear and Sensitivity 2000 77 86 London
128. C.R. Dugmore, W.P. Rock The progression of tooth erosion in a cohort of adolescents of mixed ethnicity International Journal of Pediatric Dentistry 13 2003 295 303
129. H. El Aidi, E.M. Bronkhorst, G.J. Truin A longitudinal study of tooth erosion in adolescents Journal of Dental Research 87 2008 731 735
130. A. Lussi, M. Scaffner Progression of and risk factors for dental erosion and wedge shaped defects over a 6 year period Caries Research 34 2000 182 187
131. J.H. Nunn, A. Rugg-Gunn, P.H. Gordon, G. Stephenson A longitudinal study of dental erosion in adolescent girls Caries Research 35 2001 2995 (ORCA Abstract 97).
132. Dental Health Foundation Ireland. Tooth Wear http://www.dentalhealth.ie/dentalhealth/causes/toothwear.html 13 Jan 2014 Accessed
133. N.X. West, M. Sanz, A. Lussi, D. Bartlett, P. Bouchard, D. Bourgeois Prevalence of dentine hypersensitivity and study of associated factors: a European population-based cross-sectional study Journal of Dentistry 41 2013 841 851
134. D. Bartlett, A. Lussi, N.X. West, P. Bouchard, M. Sanz, D. Bourgeois Prevalence of tooth wear on buccal and lingual surfaces and possible risk factors in young European adults Journal of Dentistry 41 2013 1007 1013
135. E.T. Kennedy Evidence for nutritional benefits in prolonging wellness American Society for Clinical Nutrition 2 2006 410S 414S
136. K. Christensen, G. Doblhammer, R. Rau, J. Vaupel Ageing populations: the challenges ahead The Lancet 374 2009 1196 1208
137. R.H. Liu Health benefits of fruit and vegetables are from additive and synergistic combinations of phytochemicals American Journal of Clinical Nutrition 78 2003 517S 520S
138. P.A.L. Ashfield-Watt, A.A. Welch, N.E. Day, S.A. Bingham Is 'five-a-day' an effective way of increasing fruit and vegetable intakes? Public Health Nutrition 7 2004 257 261
139. A. Lussi, T. Jaeggi Introduction Dental Erosion; Diagnosis, Risk Assessment, Prevention, Treatment 2011 Quintessence publishing London 1 218
140. The 2013 UK Soft Drinks Report. The British Soft Drinks Association http://www.britishsoftdrinks.com/PDF/2013UKsoftdrinksreport.pdf 13 Jan 2014 Accessed
141. P.R. Schmidlin, B. Sener, T. Attin, A. Wiegand Protection of sound enamel and artificial enamel lesions against demineralisation: Caries infiltrant versus adhesive Journal of Dentistry 40 2012 851 856
142. S. Paris, F. Schwendicke, S. Seddig, W.-D. Müller, C. Dörfer, H. Meyer-Lueckel Micro-hardness and mineral loss of enamel lesions after infiltration with various resins: Influence of infiltrant composition and application frequency in vitro Journal of Dentistry 41 2013 543 548
143. F.J. Wegehaupt, T.T. Tauböck, B. Sener, T. Attin Long-term protective effect of surface sealants against erosive wear by intrinsic and extrinsic acids Journal of Dentistry 40 2012 416 422