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Guided Bone Regeneration Around Titanium Implants With Various Hydroxyapatite Particles In Surgically Created Defect. An Experimental Study, Hend Mohamed, Eatemad Shoreibah, Mohamed Abd El Hamid, Mai Mansour

Al-Azhar Journal of Dentistry

Objective: This study was designed to evaluate the effect of various types of Hydroxyapatite, Nano- hydroxyapatite, Micro-hydroxyapatite and mixed hydroxyapatite particles as a bone substitute in the treatment of experimental induced surgical defects around dental implants. Materials and methods: Eight healthy adult male experimental dogs were subjected to surgical removal of the third mandibular premolar (P3) bilaterally then received immediate implants in the fresh sockets where surgical defects were created distal to each implants and filled randomly with Nano-Hydroxyapatite, Micro- Hydroxyapatite and Mixed Hydroxyapatite particles. The defects were randomly divided into four groups according to the received type of Hydroxyapatite …