Status:
UNKNOWN
Randomized Controlled Clinical Trial of CAD/CAM and Conventionally Fabricated Singl Implant Abutments.
Lead Sponsor:
Harvard School of Dental Medicine
Conditions:
Missing Teeth
Teeth Replacemnt by Single Dental Implant
Eligibility:
All Genders
21+ years
Phase:
NA
Brief Summary
CAD/CAM technology has been introduced to the field of implant dentistry in the beginning of 1990's (Priest 2005). Since their introduction, the use of CAD/CAM technology in the production of dental i...
Detailed Description
Introduction Long-term prospective studies demonstrate a high success rate of Straumann implants in partially or fully edentulous patients both with early and conventional loading (Salvi et al. 2004,...
Eligibility Criteria
Inclusion
- General:
- Age \> 21 years
- Absence of relevant medical conditions
- Absence of periodontal diseases
- The opposing dentition must be natural teeth or fixed (not removable) restorations on teeth or implants.
- Availability for 5-year follow-up
- Local:
- One missing tooth in the esthetic zone. An esthetic area is defined as any area that is visible in the patient's full smile. \[3rd ITI consensus conference 2004\]
- Presence of two intact adjacent teeth which are either non-restored or with minor restorations (small composite restorations)
- Adequate native bone to achieve primary stability
- Adequate band of keratinized mucosa (at least 2mm)
- Full Mouth Plaque Scores (FMPS) and Full Mouth Bleeding Scores (FMBS) \< 25 %
Exclusion
- Exclusion criteria
- General:
- Heavy smokers (more than 10 cigarettes/day)
- Presence of conditions requiring chronic prophylactic use of antibiotics
- Medical conditions requiring prolonged use of steroids.
- History of radiation therapy to the head or neck or history of chemotherapy.
- Physical handicaps that would interfere with the ability to perform adequate oral hygiene.
- Patients with inadequate oral hygiene.
- Local:
- 1\. Adjacent implant 2. Presence of periapical radiolucencies at the adjacent teeth 3. Missing adjacent teeth 4. Local inflammation, including untreated periodontitis. 5. Persistent intraoral infections. 6. Untreated mucosal diseases.
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Key Trial Info
Start Date :
May 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
Estimated Enrollment :
30 Patients enrolled
Trial Details
Trial ID
NCT01229995
Start Date
May 1 2009
Last Update
October 28 2010
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