[SEM comparative analysis of the composite diacrylic resin-enamel interface in laser and bur prepared cavities].

Bamboi, I ; Săveanu, CI ; et al.

In: Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, Jg. 114 (2010-10-01), Heft 4, S. 1204-8

academicJournal

Unlabelled: The aim of this study was to demonstrate that the size of the hybrid layer (HL) in the prepared enamel mechanic (M) and kinetic (K) with laser (WaterlaseMDBiolase), evaluated by scanning electron microscopy (SEM) restored with two types of resin composite is different.

Material and Method: The study was realized in vitro on a sample of 40 extracted human premolar and molars teeth for orthodontic or periodontal reasons. The teeth were divided at random into equal four groups (Gr). There has been Class I cavities with a depth of 2 mm (M) at high and low speed with cylindrical diamond No.1 and globular carbide and (K) peaks MZ6-5, 5W+20 Hz 30% water 60% air. The teeth were restored using 3M Schotchbond Etch, 3M Single Bond Dental Adhesive System: Gr. 1: (K)(n = 10)-3M Filtekflow; Gr.2 : (K)(n = 10)3M FiltekZ250; Gr.3: (M)(n = 10)3M Filtekflow; Gr.4: (M)(n = 10)3M FiltekZ250. The materials were placed in a single layer and photoactivate source LED SmartLite (Dentsply), termocycling 500 cycles (5 degrees-55 degrees), stored (48h), cut lengthwise (diamond), polished, conditioned (H3PO4-37% -5s) analyzed by SEM (JEOLJSM 6390), SPSS 13.00 statistically analyzed (ANOVA, p = 0.05).

Results: Analysis of the (HL) has highlighted differences between groups p = 0.05 average size (HL) being Gr.1;20.80 (+/- 0.72)microm, Gr.2;4.034 (+/- 0.0076)microm, Gr.3, 14.13 (+/- 0.63)microm, Gr.4, 1,43 (+/- 0.16)microm. Value size (HL) was influenced by the cavity preparation method for samples prepared by laser p = 0,005 in terms of size and in advantage of mechanical preparations in terms of quality (HL). Also the value of (HL) size was influenced by the type of material used in advance Gr.2 p = 0.0017.

Conclusions: The sealing of cavity depends more on the creep of materials and less on the type of preparation. Permission was obtained from a institutional ethical committee of "Gr.T. Popa" University of Medicine and Pharmacy Iaşi and that subjects gave written, informed consent).

Titel:	[SEM comparative analysis of the composite diacrylic resin-enamel interface in laser and bur prepared cavities].
Autor/in / Beteiligte Person:	Bamboi, I ; Săveanu, CI ; Dănilă, I ; Chiriac, H ; Gherasim, C
Zeitschrift:	Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, Jg. 114 (2010-10-01), Heft 4, S. 1204-8
Veröffentlichung:	Iasi : Societatii De Medici Si Naturalisti ; <i>Original Publication</i>: Iaşi., 2010
Medientyp:	academicJournal
ISSN:	0048-7848 (print)
Schlagwort:	Algorithms Analysis of Variance Bicuspid Dental Cavity Lining methods Dental Marginal Adaptation Dentin-Bonding Agents Humans In Vitro Techniques Molar Composite Resins chemistry Dental Caries therapy Dental Cavity Preparation methods Dental Enamel Dental High-Speed Technique Lasers Methacrylates Microscopy, Electron, Scanning methods
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: Romanian; Moldavian; Moldovan Transliterated Title: Studiu de analiză comparativă SEM a interfeţei răşină diacrilică compozită-smalţ in cavităţi preparate mecanic si kinetic cu laser. Publication Type: Comparative Study; English Abstract; Journal Article Language: Romanian; Moldavian; Moldovan [Rev Med Chir Soc Med Nat Iasi] 2010 Oct-Dec; Vol. 114 (4), pp. 1204-8. MeSH Terms: Composite Resins* / chemistry ; Dental Cavity Preparation* / methods ; Dental Enamel* ; Dental High-Speed Technique* ; Lasers* ; Methacrylates* ; Microscopy, Electron, Scanning* / methods ; Dental Caries / *therapy ; Algorithms ; Analysis of Variance ; Bicuspid ; Dental Cavity Lining / methods ; Dental Marginal Adaptation ; Dentin-Bonding Agents ; Humans ; In Vitro Techniques ; Molar Substance Nomenclature: 0 (3M Single Bond Dental Adhesive) ; 0 (Composite Resins) ; 0 (Dentin-Bonding Agents) ; 0 (Methacrylates) ; 24448-20-2 (2,2-bis-(4-(2-methacryloxyethoxy)phenyl)propane) Entry Date(s): Date Created: 20110420 Date Completed: 20110708 Latest Revision: 20141120 Update Code: 20231215

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