2 Arms (60 subjects - 30 each arm). Experimental group with two-pice zirconia dental implant and Control group with two-piece titanium dental implant Evaluate Changes in inflammatory and microbiology levels from T0 (baseline) T2 (8 weeks) and T3 (after crown placement) Also evaluate secondary outcomes: marginal bone loss (MBL), gingival height (GH) levels, osseointegration, gender, age, time of surgery, anatomical position and implant stability. p values<0.05 were considered statistically significant

Inclusion Criteria:

Single implants in any area (maxillary and mandibular), extracted teeth for at least 3 months before implant placement, with bone volumes sufficient (at least 2 mm mesial, distal, buccal and palatal) to accommodate dental implant without the need for regeneration. Controlled oral hygiene, absence of any lesions in the oral cavity, at least 2 mm keratinized tissue. In addition, patients must agree to participate in a postoperative control program and signed the informed consent.

Exclusion Criteria:

1 - allergic to local anaesthetics, or any of the other components. 2 - Patients with hepatic or renal dysfunction 3 - Patients with epilepsy, shock, cardiac conduction disorders or myasthenia gravis 4 - Patients with myocardial injury 5 - Hyperthyroidism 6 - Severe Hypertension 7 - Insufficient bone volume 8 - Smoking more than five cigarettes / day 9 - Excessive alcohol consumption 10 - localized anti-tumour radiation therapy of the oral cavity 11 - Chemotherapy 12 - Liver Diseases 13 - immunosuppressed patients 14 - Patients taking corticosteroids 15 - Pregnancy 16 - inflammatory and autoimmune diseases of the oral cavity

-