Periimplant Mucosa Dynamics Around Divergent and Concave Atlantis Abutment Transition Profiles

Completed · Not applicable

Conditions studied: Dental Implant, Single-Tooth, Esthetics, Dental

In brief

The purpose of this study is to compare the effect of two different implant abutment designs on gum tissue volume changes over time after implant placement.

Key facts

Study ID

NCT01871220

Run by

Christopher Barwacz

People needed

61

Starts

2013-12-30

Expected to finish

2018-10-03

Last updated by the study team

2022-06-14

Who can join

Age: 18 and older, up to 90. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 18 years of age or greater
• Subjects requiring replacement of a single-rooted tooth in the maxillary arch from first premolar to first premolar with an implant-supported restoration
• Teeth adjacent (mesial and distal) to study site must consist of two stable, natural teeth without signs of periodontal bone loss (<2.0mm) and/or significant soft tissue loss
• An opposing dentition with teeth, implants, or fixed prosthesis
• Subjects must be willing to follow instructions related to the study procedures
• Subjects must have read, understood, and signed the informed consent document

You may not qualify if…

• Exclusion Criteria:
• Insufficient interocclusal space for implant placement and/or restoration at study site
• More than 2.0mm vertical bone loss at study site as measured from the mid-buccal crest of the bone on the adjacent teeth
• Untreated rampant caries
• Tobacco use free for ≤ 6 months
• Liver or kidney disfunction/failure
• Active severe infectious diseases that may affect normal healing and/or bone metabolism (e.g. AIDS)
• Uncontrolled diabetes
• Current alcohol or drug abuse
• Need for systemic corticosteroids or any other medication that would influence post-operative healing and/or osseointegration
• History of relevant head/neck cancer and/or radiation of the head/neck
• Subjects who currently use bisphosphonates or have a history of bisphosphonate use
• Subjects with metabolic bone diseases such as osteoporosis or Paget's disease of bone
• Known pregnancy or nursing mothers
• Unable or unwilling to return for follow-up visits for a period of 1 year
• Unlikely to be able to comply with study procedures according to investigators judgement

Where it is running

• University of Iowa College of Dentistry — Iowa City, Iowa, United States

Full record on ClinicalTrials.gov

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