Tooth Extraction Status Nos Clinical Trial
Official title:
Single Tooth Extraction in Damaged Alveoli and Implant Site Development Randomized Controlled Clinical Trial Comparing Socket Preservation and Reconstruction Surgery to Spontaneous Healing
Verified date | March 2022 |
Source | The European Research Group on Periodontology (ERGOPerio) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
It is unclear what is the best approach to implant site development after tooth extraction when the pathology leading to extraction has damaged the alveolus. The main objective of this study is to assess if socket preservation and/or reconstruction surgery provides a clinical benefit in terms of ability to place an implant in a prosthetically guided position in such clinical conditions. The PICO question therefore is: In patients requiring single tooth extraction what is the benefit of socket preservation/reconstruction surgery with respect to spontaneous healing in terms of feasibility and ease of implant surgery?
Status | Completed |
Enrollment | 160 |
Est. completion date | September 2017 |
Est. primary completion date | September 2017 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Systemically healthy. No contraindications to elective oral surgery - All pathologies requiring single tooth extraction with adjacent teeth (or implant) with the presence of at least one third of the alveolus. - Evidence of subject ability to achieve good oral hygiene and control gingivitis in the whole of the dentition (FMPS<25% and FMBS<25%) - Ability to understand study procedures and to comply with them for the entire length of the study. Ability and willingness to give informed consent. Exclusion Criteria: - Presence of frank purulence or acute abscess at the time of extraction - Presence of bone resorption of one or more walls of the alveolus extending to the apical third of the socket - Self reported current smoking exceeding 20 cigarettes/day or pipe or cigar smoking - Presence of medical contraindications to elective surgery |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
The European Research Group on Periodontology (ERGOPerio) | The University of Hong Kong |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Possibility to place dental implant | The possibility to place a dental implant in a prosthetically driven position (with or without bone or soft tissue augmentation) 16-20 weeks after tooth extraction will be evaluated with a dedicated planning software using cone beam CT data and and digital scanning according to standard clinical practice | 16-20 weeks | |
Primary | Surgeon's confirmation of the ability to place a dental implant | Confirmation during the surgery of the ability to actually insert the implant in a prosthetically driven position with or without the need for soft or hard-tissue augmentation. | 16-20 weeks | |
Secondary | Vertical change in bone height at the deepest point in the socket | Bone fill of the socket evaluated at the time of dental implant placement as change in the distance between a customized surgical stent and the bottom of the alveolus using a periodontal probe (difference between baseline and 16-20 week healing) | 16-20 weeks | |
Secondary | Vertical change in bone height at the buccal bone crest | Bone fill of the socket evaluated at the time of dental implant placement as change in the distance between a customized surgical stent and the bottom of the alveolus using a periodontal probe (difference between baseline and 16-20 week healing) | 16-20 weeks | |
Secondary | Vertical change in bone height at the crest of adjacent teeth | Harm to bone of adjacent teeth measured by clinical attachment level loss and trans gingival probing. | 16-20 weeks | |
Secondary | Radiographic bone changes | Bone fill of the socket measured on routine intraoral radiographs | 16-20 weeks | |
Secondary | Change in keratinized tissue width between baseline and insertion of prosthetic crown | Soft tissue preservation assessed as millimetre of keratinised tissue as measured with a periodontal probe | 16-20 weeks | |
Secondary | Need for additional bone augmentation at the time of implant placement (and/or implant uncovering, if submerged healing) | Need for additional augmentation assessed by the surgeon during implant placement | 16-20 weeks | |
Secondary | Wound healing index | Early healing assessed with standardized composite healing index by dentist | 1-4 weeks | |
Secondary | OHIP-14 | Oral health related quality of life standard instrument (questionnaire) - 5 point Likert scale with greater scores indicating better quality of life. | 1-2 weeks |
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