Evaluate the 10-year stability clinical, radiographic outcomes obtained with the application of the modified minimally invasive surgery to deep pockets associated with intrabony defects.
This 10-year follow-up of a randomized controlled clinical trial (Cortellini \& Tonetti 2011) compares three treatment modalities in deep intrabony defects: i) a control group was treated with modified minimally invasive surgical technique alone (M-MIST, N=15); ii) a second group was treated with M-MIST combined with enamel matrix derivative (M-MIST EMD, N=15, Straumann, Switzerland); iii) a third group was treated with M-MIST+EMD plus Bone Mineral Derived Xenograph (M-MIST+EMD+BMDX, N=15, Geistlich, Switzerland) . The design of the original trial has been reported along with the one-year results and the details of randomization and allocation concealment (Cortellini \& Tonetti 2011). Clinical outcomes of the three groups were longitudinally followed for 10 years. The 10-year follow-up was approved by the local ethical committee for clinical research of the Health Service of Tuscany (University Hospital of Firenze protocol ATRO2019, registration n° 15106\_oss). All patients gave informed consent to participate into the clinical trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
45
Surgical intervention alone
Surgical intervention with local application of regenerative biomaterial
Surgical intervention with local application of regenerative biomaterial and bone replacement graft
Studio Cortellini
Florence, Italy
Clinical attachment level changes
Periodontal probing to the nearest millimetre
Time frame: 10 years
Probing pocket depts
Periodontal maintainability
Time frame: 10 years
Tooth survival
Survival of treated teeth - Kaplan Mayer
Time frame: 10 years
Complication-free survival
Survival until first episode of recurrence requiring re-treatment
Time frame: 10 years
Cost of recurrence
Total cost of managing the regretted teeth including treatment of recurrence
Time frame: 10 years
Radiographic bone level
Changes in level of bone supporting the tooth
Time frame: 10 years
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