Bone Resorption Clinical Trial
Official title:
Comparison of Half- and Full-Grafting Alveolar Ridge Preservation With Different Sealing Materials: A Three-arm Randomized Clinical Trial
Verified date | September 2023 |
Source | Chang Gung Memorial Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of the present study was to compare the half-packed grafts that are covered with either a collagen or a nonresorbable membrane to the conventional alveolar ridge preservation procedures involving full-packed grafts and collagen membrane. The primary purpose was to evaluate the bone dimensional changes between the groups, and the secondary objective was to assess the potential contributing factors to clinical, radiographic and implant-related outcomes under different alveolar ridge preservation procedures.
Status | Completed |
Enrollment | 60 |
Est. completion date | July 12, 2023 |
Est. primary completion date | March 7, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 24 Years to 75 Years |
Eligibility | Inclusion Criteria: 1. = 20 years old 2. presence of one or more hopeless teeth requiring extraction and subsequent implant placement due to reasons such as crack tooth, vertical root fracture, endodontic failure, unrestorable caries and severe periodontitis 3. the extraction socket should have more than two walls for ARP, which includes type I-II sockets (Palatal/ lingual defects were also included) 4. participants should have a stable periodontal condition or history of periodontitis that is well-controlled with good oral hygiene. The pocket depth of the adjacent tooth around the socket should be less than 3 mm as assessed with a periodontal probe (Hu-Friedy, Chicago, IL, USA). Exclusion Criteria: 1. heavy smokers consuming more than half pack of cigarettes daily 2. women who were pregnant, lactating, or planning to be pregnant 3. history of psychiatric disorders 4. uncontrolled and complicated medical conditions that might hinder wound healing or bone metabolism, including poorly controlled diabetes, autoimmune disorders, receiving current radiotherapy in the head and neck regions, taking bisphosphonate and other antiresorptive agents. |
Country | Name | City | State |
---|---|---|---|
Taiwan | Taipei Chang Gung Memorial hospital | Taipei |
Lead Sponsor | Collaborator |
---|---|
Chang Gung Memorial Hospital |
Taiwan,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | bone dimensional changes between the groups | Based on CBCT images, horizontal measurements by using AVIZO software (version 7.0, FEI). The measurements were repeated twice at a 2-week interval, and mean values were used for the final analysis (width or height in millimeters, mm):
Buccal bone plate thickness (BT) at 1 mm, 3mm, 5mm apical to the crest Horizontal ridge width (HRW) at 1 at 1 mm, 3mm, 5mm apical to the crest The change of HRW at 1, 3, 5 mm apical to crest (T2-T1). Vertical measurements in cross-sectional images: Buccal bone height (BH)(mm) Palatal/lingual bone height (PH)(mm) The discrepancy between buccal and palatal/lingual height.(mm) Midcrestal height (Mid-H)(mm) The change of BH, PH, and Mid-H between immediate post-operative and 6 months later. (T2-T1)(mm). |
6-month healing period after alveolar ridge preservation | |
Secondary | Clinical and implant related outcomes | Other clinical and implant-related parameters with descriptions:
Demographic data Keratinized mucosal width (KMW)(mm) Vertical mucosal thickness (VMT): measured from the mucosal profile to the crest of the ridge using a periodontal probe after buccal full-thickness flap elevation (Hu-Friedy, Chicago, IL, USA)(mm) Bone density: Lekholm and Zarb's classification as types 1, 2, 3, or 4 Insertion torque: recorded once the implant was placed at the anticipated level with primary stability (NCM) Marginal bone level change(mm) Based on the results of the normality tests, one-way ANOVA followed by the Tukey HSD or Kruskal-Wallis test with post hoc Dunn's test was performed for intergroup comparisons. The Chi-square association test (X2) was used to compare categorical variables between groups. Univariate linear regression methods were performed to investigate the factors to the changes of ridge width and height. |
6-month healing period after alveolar ridge preservation |
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