Active — Not RecruitingNot Applicable

Evaluation of MBL Around Implants Placed in Crestal or Subcrestal Positions: a RCT

China20 participantsStarted 2019-04-17

Plain-language summary

The objective of this randomized controlled trial is to evaluate changes in marginal bone levels and soft tissue dimensions around implants placed with the IAI at different positions in relation to the alveolar crest

Who can participate

Age range18 Years – 70 Years

SexALL

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Inclusion criteria

✓. Absence of 2-4 teeth in the posterior region of the maxilla or mandibular;
✓. Bone volume sufficient for implants with 4.1-mm size and 8- to 12-mm height and with no need for hard or soft tissue augmentation for implant treatment;
✓. Periodontally healthy.

Exclusion criteria

✕. Systemic diseases that may affect bone and soft tissue healing, such as diabetes, osteoporosis, Paget's disease, and patients with cancer;
✕. Uncontrolled periodontal disease or poor oral health with neither good nor adequate plaque control;
✕. Parafunctional habits, such as the grinding or clenching of teeth;
✕. Smoking habit (more than 10 cigarettes per day);
✕. Pregnancy and breastfeeding.

What they're measuring

Marginal bone loss(MBL)

Timeframe: Change from baseline up to 5 years after implantation

Trial details

NCT IDNCT03806608

SponsorSun Yat-sen University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2026-05

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