Staged ARST vs.immediate ARST with short implant in the posterior mandible

Evaluation of Radiographic crestal bone resorption in staged alveolar ridge splitting vs. immediate alveolar ridge splitting using piezotome with short implants in the posterior mandible: 3-4 year follow-up RCT

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202108872564649

Enrollment

Registered

2021-08-16

Start date

2014-11-15

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

missing lower posterior teeth with horizontal and vertical bone loss

Interventions

Staged ridge splitting

simultaneous ridge splitting and implant placement

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Partially edentulous patients with missing teeth in the posterior mandibular region. Posterior mandibular ridge width (3 - 5 mm) and height from inferior alveolar nerve ( ¿ 11 mm). Absence of any pathological conditions in the posterior mandible (recipient site).

Exclusion criteria

Exclusion criteria: 1- Systemic diseases. 2- Poor oral hygiene. 3- No or poor compliance with non-surgical phase of treatment. 4- Pregnant females. 5- Regular and heavy smokers. 6- Previous head and neck radiation therapy. 7- Patients with an allergy to any material or medication that will be used in the study. 8- Severe psychological problems.

Design outcomes

Primary

Measure	Time frame
Crestal Bone resorption	—

Secondary

Measure	Time frame
Crestal bone resorption:	—

Countries

Egypt

Contacts

Public ContactHani El Nahass

Assistant Professor

nahass77@gmail.com000000000000

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026