Bone formation around two different implant´s treatment surface

Method: Seven Mongrel dogs were used. In each dog, four mandibular premolars were extracted and a immediate placement of four implants in each fresh socket without flap elevation was performed. The total sample consisted in 28 implants: group 1 with 14 sand-blasting + acid-etched implants surface (SLA) surface and Group 2 with 14 dual acid-etched implants surface. After 4 months samples was collected and a histomorphometric analysis was performed to measure the total BIC around the implants. For statistical analysis the Kruskal-Wallis test (p <0.05) was used.

Result: The histomorphometric analysis showed a  BIC mean average of 42.2% in group 1 (SLA surface) and 38.11% in group 2 (dual acid-etched surface). There was no statistically significant difference between them (p <0.05).

Conclusion: In dogs, it was concluded that a implant with sand-blasting + acid-etched surface presents a slightly higher BIC, but statistically similar when compared to implants with dual acid-etched surface after 4 months of bone healing