The aim of this randomized clinical trial is to evaluate the volumetric analysis of peri-implant soft tissues after 3 months of the use of a prefabricated healing abutment with scan peg in comparison to customized healing abutment.

Volumetric analysis of peri-implant soft tissues after 3 months of the use of a prefabricated healing abutment with scan peg with convex emergence profile in comparison to customized healing abutment with concave emergence profile.

Inclusion Criteria:

• Adult patients who are classified as ASA I or II physical status and require mandibular single implants (single missing mandibular posterior teeth) with:

  1. Proper bone height and width.
  2. Adequate zone of keratinized tissue (at least 2 mm)

Exclusion Criteria:

• Any systematic disease as uncontrolled diabetes mellitus or metabolic bone diseases
• Pregnancy and Lactation
• A history of head and neck radiation treatment.
• Chronic periodontal diseases.
• Poor oral hygiene (Silness-Löe plaque index score 2 and 3)
• Parafunctional habits.

Statistician