Bone Resorption Clinical Trial
Official title:
Association of Occlusal Force Distribution and Bone Resorption in Implant Supported Overdentures
To investigate the residual ridge resorption at anterior and posterior maxillary and posterior mandibular ridges among conventional complete dentures and implant overdenture wearers, and determine its association with the relative occlusal forces distribution, treatment groups and other patient variables.
A total of forty-six edentulous patients participated in this clinical study divided into
two groups as following; complete denture group (CD) consists of 23 patients wearing
conventional complete dentures and another Implant overdenture group (IOD) consists of 23
patients wearing mandibular complete overdenture with 2 implants. Two panoramic radiographs
at baseline and in a follow-up to 7 years were used to measure the ratio of bone changes
between the anatomical bone area and the reference area in the maxillary and the mandibular
ridges. The occlusal contacts percentage of force in maximum intercuspation anteriorly and
posteriorly were recorded for both groups by using T-Scan III system.
Oral and written information in English or Malay language, regarding the study, was provided
and written consent obtained before enrolment.
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