Extrait

Background and study aims Overdentures, also known as dental implants, are metal posts which are screwed directly into the jaw bone in order to support replacement teeth. These implants provide a strong foundation for fixed (permanent) or removable false teeth and, as long as they are looked after well, are very long lasting. Many people prefer dental implants to traditional dentures because they are more hardwearing and have a more realistic appearance. The artificial teeth which are used for overdentures come in a variety of forms. One of the main variations is related to cusps (the pointed end of the tooth). Cusped overdentures (also known as anatomic) are designed to imitate the natural tooth form, whereas cuspless overdentures (or non-anatomic) is essentially flat and designed to improve the function of chewing. The aim of this study is to compare the effects of cusped and cuspless implants on the health of the surrounding bone tissues in the mouth. Who can participate? Healthy adults over 40 with missing teeth for more than 3 years, who have refused removable partial dentures. What does the study involve? Participants are randomly allocated into two groups. Both groups have implants inserted after tooth extraction. The first group is given overdentures with cusped teeth, and the second group is given overdentures with cuspless teeth. Once the implants have been fitted, the healing process and how well they fit is measured at three, six, nine and twelve months. Participants are also asked to describe pain levels at these times. What are the possible benefits and risks of participating? Benefits of participating are that patients are treated using two advanced methods at no cost. There are no risks of participating. Where is the study run from? Al-Azhar University-Assiut Branch (Egypt) When is the study starting and how long is it expected to run for? September 2013 to September 2014 Who is funding the study? Albaha University (Saudi Arabia) Who is the main contact? 1. Dr Hammdi Hakimi (Public) [email protected] 2. Professor Khalid Ahmad Omar Arafa (Scientific) [email protected]

Critère d'inclusion

• This study aimed to examine the impact of immediate implant-supported mandibular overdentures with cusped or cuspless tooth on surrounding bone tissues

Liens

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