NDLI: Cuspal movement related to different polymerization protocols.

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Cuspal movement related to different polymerization protocols.

Content Provider	Semantic Scholar
Author	Piccioni, Máyra Andressa Rodrigues Valinhos Baratto-Filho, Flares Kuga, Milton Carlos Morais, Eduardo Christiano Caregnatto De Campos, Edson Alves De
Copyright Year	2014
Abstract	OBJECTIVE The aim of this study to investigate the effects of different polymerization protocols on the cuspal movement in class II composite restorations. MATERIALS AND METHODS Human premolar teeth were prepared with class II cavities and then restored with composite and three-step and two-step etch-and-rinse adhesive systems under different curing techniques (n = 10). It was used a light- emitting-diode curing unit and the mode of polymerization were: standard (exposure for 40 seconds at 700 mW/cm(2)), pulse-delay (initial exposure for 6 seconds at 350 mW/cm(2) followed by a resting period of 3 minutes and a final exposure of 37 seconds at 700 mW/cm(2)) and soft-start curing (exposure 10 seconds at 350 mW/cm(2) and 35 seconds at 700 mW/cm(2)). The cuspal distance (μm) was measured before and after the restorative procedure and the difference was recorded as cuspal movement. The data were submitted to two-way ANOVA and Bonferroni test (p < 0.05). RESULTS The type of adhesive system did not influenced the cuspal movement for all the curing methods. Standard protocol showed the highest values of cuspal movement and was statistically different from the pulse-delay and soft-start curing modes. CONCLUSION Although the cuspal displacement was not completely avoided, alternative methods of photocuring should be considered to minimize the clinical consequences of composites contraction stress.
Starting Page	1035
Ending Page	1041
Page Count	7
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.jaypeejournals.com/eJournals/ShowText.aspx?ID=5964&IID=451&IN=_eJournals/images/JPLOGO.gif&TYP=TOP&Type=PAID&isPDF=YES
PubMed reference number	24939260v1
Volume Number	15
Issue Number	1
Journal	The journal of contemporary dental practice
Language	English
Access Restriction	Open
Subject Keyword	Adhesives Diode Device Component Odontogenic Tissue Protocols documentation Psychologic Displacement Rest Rinsing permanent premolar tooth
Content Type	Text
Resource Type	Article

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