الفهرس 
Introductionيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Objective: To evaluate the effect of hyaluronic acid mixed with biphasic calcium phosphate bone graft on bone healing around immediately placed implant in the posterior region of the mandible. Patients and Methods: This clinical study included 16 implants placed for 14 patients who were seeking for extraction of non-restorable mandibular premolar or molar teeth and replacement with immediate implant. The patients were randomly and equally divided into two groups; extraction of the intended non-restorable tooth with immediate implant placement and the gap between the implant and socket walls was filled with BCP bone graft only in group I (control group) and with BCP bone graft mixed with HA in group II (study group). The evaluation was done immediately (Tx), postoperatively at loading (T0), at 3&6 months after loading (T3&T6) respectively to assess implant stability, modified sulcus bleeding index, Peri-implant pocket depth, bone loss around the dental implant.Results: The study included 7 females (50 %) and 7 males (50%) with average age of 35 years. No statistically significant differences were recorded between both groups regarding age, sex (P=0.642, 0.451) and implant characters (length, width) (P=0.751,0.851) respectively. No statistically significant differences were found between both groups regarding implant stability (P=0.735, 0.722, 0.410), MSBI (P=0.662, 0.642, 0.448) PPD (P=0.278, 0.06, 0.120) and bone loss (P= 0.562, 0.492) at different time intervals of assessment.Conclusion: The effect of HA mixed with BCP bone graft was not superior on bone healing around immediately placed implant rather than BCP bone graft alone in posterior region of the mandible.