Tooth Extraction Clinical Trial
Official title:
Radiographic Evaluation of Marginal Bone Level, Buccal and Palatal Plate Thickness Alteration, and Implant Stability After Placement in Healed Ridges and Fresh Extraction Sockets: A 6 Months Prospective Study.
The purpose of this prospective clinical study was to compare in delayed and immediately placed implants, the marginal vertical bone loss at 4 sides of the implant (buccal, palatal, mesial and distal), as well as the buccal and palatal bone thickness reduction at 3 months after loading.
Twenty-four patients were consecutively selected and enrolled in this study based on the
aforementioned exclusion and inclusion criteria. Clinical examination was done by a different
clinician than the operator, and according to the treatment indication, patients were
allocated to the delayed implant placement group (Control), or the immediate implant
placement group (Test). Thus, 15 implants were placed in healed extraction sites and
immediately temporized (Control group), and 15 implants were placed in immediate extraction
sites with immediate temporization (Test group).
Provisional acrylic crowns were prepared. All patients were placed on a prophylactic
antibiotic regimen, starting one day prior to surgery as they were asked to take amoxicillin
500 mg; three times a day for 10 days or clindamycin 300 mg twice daily for 10 days for
penicillin-allergic patients.
For the test group, tooth extractions were carried out atraumatically using periotomes. In
both groups, the implant site preparation was completed in compliance with the general
surgical principles and protocols defined by the manufacturer and screw-shaped implants
(UFII, DIO™) were inserted at no less than 35 Ncm.
Temporary abutments were connected to the implants and torqued at 20 Ncm, and then temporary
crowns were cemented on top of the abutments after checking and reducing occlusion to
non-existent in both centric and lateral excursions.
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