Clinical evaluation of supporting structures around miniimplant supported lower overdentures in controlled diabetic patients

Abstract

Summary : This study was performed to evaluate supporting structures clinically around miniimplants in lower miniimplant supported overdentures in controlled diabetic patients for one year from loading. Fourteen completely edentulous patients were selected from the out-patient clinic, Prosthodontic Department, Faculty of Dentistry Ain-Shams University. Glycocylated haemoglobin test was made for each patient and accordingly the patients were grouped into: Group A: healthy non diabetic patients with glycated haemoglobin (HbA1c) less than 6% . Group B: seven controlled diabetic patients with glycated haemoglobin (HbA1c) more than 6.3% and less than 7%. Complete upper and lower dentures were constructed and delivered to all patients. For each patient, diagnostic cone beam computed tomography CBCTof mandibular arch was taken using the lower denture as radiographic stent by adapting gutta percia to the center of the canines of the denture. The diameter and the length of miniimplants were selected according to bone dimensions in CBCT, miniimplants of 2.5 mm diameter and 12 mm length, 4 mini implants were completely seated in interforaminal region. The denture was modified to fit over miniimplants, implant housings were picked_up in the fitting surface of the denture. Radiographic evaluation of the miniimplants were carried out by digital

image analysis of the digital panorama in the different follow up periods (3, 6, and 12 months). Data obtained were collected, tabulated and statistically analyzed.