2003
DOI: 10.1590/s1517-74912003000400006
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Effect of plaque accumulation and salivary factors on enamel demineralization and plaque composition in situ

Abstract: This study evaluated the effect of some plaque and salivary factors on caries progression in situ. The salivary secretion rate, buffering capacity and mutans streptococci counts from 13 volunteers were determined. For three distinct periods of time, 4, 7 and 10 days, each of them wore a palatal appliance containing 4 bovine enamel blocks. They used a non-fluoridated dentifrice during the experiment and a 20% sucrose solution was dripped onto the blocks 10 times a day. Mutans streptococci (MS), calcium (Ca), an… Show more

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Cited by 34 publications
(64 citation statements)
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References 22 publications
(42 reference statements)
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“…A¤›zda sabit ortodontik apareylerin bulunmas› plak birikimini artt›rmakta (2) ve pla¤›n mekanik olarak uzaklaflt›r›lmas›n› komplike hale getirmekte (3) dolay›s›yla mine demineralizasyonlar› oluflabilmektedir (4,5). Ortodontistler uzun zamand›r braket çevresinde ve bantlar›n alt›nda oluflan mine dekalsifikasyonlar›yla ilgilenmektedir (6).…”
Section: S Su Um MM Ma Ar Ry Yunclassified
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“…A¤›zda sabit ortodontik apareylerin bulunmas› plak birikimini artt›rmakta (2) ve pla¤›n mekanik olarak uzaklaflt›r›lmas›n› komplike hale getirmekte (3) dolay›s›yla mine demineralizasyonlar› oluflabilmektedir (4,5). Ortodontistler uzun zamand›r braket çevresinde ve bantlar›n alt›nda oluflan mine dekalsifikasyonlar›yla ilgilenmektedir (6).…”
Section: S Su Um MM Ma Ar Ry Yunclassified
“…Ön-I IN NT TR RO OD DU UC CT TI IO ON N Aesthetic problems may occur after orthodontic treatment due to demineraliztion of enamel around the fixed orthodontic appliances in the patients with inadequate oral hygiene (1). Undoubtedly the presences of fixed appliances in the mouth predisposes to plaque accummulation (2) and complicates the mecanical removal of plaque (3) that may cause enamel demineralization (4,5). Decalcification of the enamel around the brackets and under the bands has long been a concern of orthodontists (6).…”
Section: S Su Um MM Ma Ar Ry Ymentioning
confidence: 99%
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“…As vantagens e desvantagens do uso de modelos experimentais in situ PASTER et al, 2006;PREZA et al, 2008 MELLBERG, 1981;;ZERO et al, 1990;TENUTA et al, 2003;PAES LEME et al, 2004;PIN et al, 2005;MARTINHON et al, 2006) Adicionalmente, no presente estudo, foi utilizada dentina bovina devido a sua grande similaridade com a dentina humana (NAKAMICHI; IWAKU; FUSAYAMA, 1983). Embora, o numero e diâmetro dos túbulos dentinários seja significantemente maior na dentina bovina em comparação com a dentina humana (SCHILKE et al, 2000), este fator não foi relevante neste estudo, pela razão que foi estudada a formação de biofilme oral na superfície dentinária e não a penetração bacteriana intratubular.…”
Section: Da Metodologiaunclassified
“…No entanto, para que haja produção de ácido suficiente para sustentar a desmineralização progressiva do dente, há necessidade de aumento da proporção de S. mutans no biofilme dentário (TENUTA et al, 2003), a qual é favorecida pela alta tolerância destas espécies a baixo pH (BURNE, 1998 ZAMBON;KASPRZAK, 1995 RAVALD;BIRKHED, 1991).…”
Section: Cárie Radicularunclassified