Dental Impaction Clinical Trial
Official title:
Clinical Osteointegration of Bone Level Implants With Conical Shape and Textured Surface With Low Primary Stability
Clinical evaluation of osteointegration of bone level implants (Stark conical screw implants, with V-Blast surface treatment), placed without sufficient primary stability.
26 Implants were placed with a unique operative protocol in 4 private offices. A detailed
informed consent was obtained from all patients. Surgical guides were used to achieve the
idea implant position and axis.
Osteotomy drills were used in the sequence recommended by the implant manufacturer. Bone type
was assessed by CT examinations using the classification proposed by Rebaudi.
All implants were tested by applying a lateral mild load with a probe in order to verify
mobility immediately after placement.
Parameter used to assess a low primary stability were:
- insertion torque lower than 10 N / cm
- slight mobility of implant upon application of lateral load of 250 g After surgery,
patients were instructed not to chew or to wear their removable dentures in the treated
areas.
Follow-up post-operative visits were scheduled at 1 and 4 weeks. At 4-6 months after
placement a periapical radiograph was taken, a torque/countertorque test of 30 Ncm was
conducted and osteointegrated implants were restored. Patients were recalled, examined, and
periapical radiographs were taken for a minimum of 6 months.
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