Laser treated short dental implants will be placed in a posterior atrophic ridge with only 8-10 mm available bone height. Their stability will be measured through a period of 12 weeks. They will be compared to the stability of SLA treated Short dental implants placed in the same situations.

Laser treated short dental implants will be placed in a posterior atrophic ridge with only 8-10 mm available bone height. Their stability will be measured through a period of 12 weeks. They will be compared to the stability of SLA treated Short dental implants placed in the same situations.

Inclusion Criteria:

• • Adult patients with Edentulous posterior maxillae with insufficient ridge for placement of standard length dental implant, but allowing placement of short 8mm dental implant.

  • Males and females.

Exclusion Criteria:

• • Heavy smokers more than 20 cigarettes per day.

  • Patients with systemic disease that may affect normal healing.
  • Psychiatric problems
  • Disorders to implant are related to history of radiation therapy to the head and neck neoplasia, or bone augmentation to implant site
  • Patients suffering from immunodeficiency, bruxism, stress situation (socially or professionally), emotional instability, and unrealistic aesthetic demands.
  • Intraoral soft and hard tissue pathology.