Single final vs. multiple temporary implant abutments: A prospective randomized controlled clinical trial of peri-implant hard/soft tissue and bacteriological changes

Completed

• Conditions: tissue volume changes; Healed extraction site; peri-implant tissue changes

• Registration Number: NL-OMON40820
• Lead Sponsor: Academisch Centrum Tandheelkunde Amsterdam

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 23 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 40

Inclusion Criteria

1. Patients of at least 25 years of age and who are able to sign an informed consent.
2. In need of a single implant.
3. Healed site (healed site defined by restored gingiva, free of inflammation and scar tissue (Zuhr, Hurzeler 2012. Book), with a keratinized band of 3mm from crest to muco-gingival junction, and sufficient osseous architecture to receive an implant (Koutouzis 2013) with a minimal diameter of 3.5 mm).
4. (Pre)molar region.
5. At least one neighbouring tooth is present.
6. Absence of visible active periapical or periodontal inflammation.
7. Adequate oral hygiene: PI< 20%, BoP< 20%.
8. Sufficient occlussal units mesial or distal and antagonizing, including the diastema to
be restored: 4 occlusal units.

Exclusion Criteria

1. Medical condition that contraindicates surgery: ASA -score >= III
2. History of radiotherapy in the head and neck region.
3. History of Biphosphonate medication.
4. Medium smokers >= 10 cigarettes per day.
5. Patients unwilling or incapable of signing the informed consent.
6. Active caries

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>To compare hard and soft tissue changes</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>-peri-implant microbiological evaluation.<br /><br>-evuation of guided surgery accuracy<br /><br></p><br>