Volume : 6, Issue : 11, November - 2017

COMPARISON OF THE HOMOGENEITY OF TWO OBTURATING MATERIALS - THERMOPLASTICIZED GUTTA-PERCHA AND COLD FLOWABLE GUTTA-PERCHA - AN INVITRO STEREOMICROSCOPIC STUDY

Dr. Kavitha Anantula, Dr. Aliveni Annareddy

Abstract :

<p>&nbsp;<b style="text-align: justify;"><span style="font-size:12.0pt;line-height:&#10;200%">AIM: </span></b><span style="text-align: justify; font-size: 12pt; line-height: 200%;">To compare the homogeneity of thermoplasticized gutta-percha and cold-flowable gutta-percha after obturation.</span></p> <p class="MsoNormal" style="margin-bottom:0in;margin-bottom:.0001pt;text-align:&#10;justify;line-height:200%;mso-layout-grid-align:none;text-autospace:none"><b><span style="font-size:12.0pt;line-height:&#10;200%">MATERIALS AND METHODS: </span></b><span style="font-size:12.0pt;&#10;line-height:200%">Forty </span><span style="font-size:12.0pt;line-height:200%;&#10;mso-bidi-font-family:FuturaBT-Light">single-rooted teeth were selected and the canals were shaped with ProTaper Next rotary files and irrigated with 3% sodium hypochlorite and 17% EDTA. Group A - obturated with Obtura II and AHplus sealer, and Group B- obturated using GuttaFlow. The roots of the teeth were sectioned at five levels and were observed under a stereomicroscope at 40 </span><span style="font-size:12.0pt;line-height:200%;mso-bidi-font-family:Transitional521BT-RomanA">&times; </span><span style="font-size:12.0pt;line-height:200%;mso-bidi-font-family:&#10;FuturaBT-Light">magnification and the images were analyzed.<o:p></o:p></span></p> <p class="MsoNormal" style="text-align:justify;line-height:200%"><b><span style="font-size:12.0pt;line-height:&#10;200%">RESULTS: </span></b><span style="font-size:12.0pt;line-height:200%">The number of voids were more in the Group B &ndash;GuttaFlow (56%) when compared to Group A- Obtura II (15%). The area of the voids in the GuttaFlow was small and were seen mostly in the core, whereas the area of the voids in Obtura II was large but were seen equally in the core and at the periphery.<b><o:p></o:p></b></span></p> <p class="MsoNormal" style="text-align:justify;line-height:200%"><b><span style="font-size:12.0pt;line-height:&#10;200%">CONCLUSION: </span></b><span style="font-size:12.0pt;line-height:200%">The Obtura II and GuttaFlow showed acceptable adaptation to the canal walls but Obtura II has more homogeneity when compared to GuttaFlow.<b><o:p></o:p></b></span></p>