Ceramic Implants5-Years PMCF Study of Ceramic Dental Implants One-piece Versus Two-piece.

Inclusion Criteria:

• Clinical Diagnosis of partial or total edentulism.
• Specially indicated for patients with metal allergies and chronic illness due to metal allergies.

Exclusion Criteria:

1. General Contraindications:

1. Local and Systemic contraindications for surgery.
2. Poor oral hygiene
3. Patients with health problems, disease or any physical or psychological condition to which an oral surgery may be contraindicated.
2. Relative Contraindications:

1. Previously irradiated bone
2. diabetes
3. anticoagulant medication
4. hemodynamic problems
5. bruxism
6. Para functional habits
7. bad bone anatomy
8. smokers
9. none controlled periodontitis
10. malocclusions
11. TMJ problems
12. diseases in the oral cavity
13. pregnancy
14. insufficient oral hygiene for adequate health.
3. Local contraindications

1. insufficient bone quantity or quality
2. remaining of roots
3. localized periodontal disease
4. Any pathology in the neighboring teeth.