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ePaper created 2017-03-17, 11:08:54 | version 1.38.0
B o n e a u g m e n t a t i o n u s i n g p o r o u s (cid:696)-TC PB o n e a u g m e n t a t i o n o f c a n i n e f r o n t a l s i n u s e s u s i n g a p o r o u s (cid:696)-t r i c a l c i u m p h o s p h a te Fig. 4 Fig. 5 Fig. 4 Micro-CT images acquired at four, 12 and 24 weeks after surgery. (PA = palatal side; NA = nasal side). Fig. 5 The upper and lower groups show BV (mm3) and BMC (mg) of each group, reflecting the quantity of new bone at four, 12 and 24 weeks after surgery. H i s t o l o g i c a l a s s e s s m e n t Histological assessments were also performed at four, 12 and 24 weeks (Figs. 6 & 7). Histolog- ical images showed high levels of porous (cid:696)-TCP even at four weeks; however, the scafolds had completely absorbed and new bone integrated into the Ti implants at 12 and 24 weeks. The formation of new bone in the area of the bone window reduced between 12 and 24 weeks; however, the newly formed bone had changed to mature bone (Fig. 6). Although no bone for- mation was observed in the control group throughout the study, some new bone formation was observed toward the edges of the bone win- dow (Fig. 7). 48 Volume 3 | Issue 1/2017 Journal of Oral Science & Rehabilitation