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To compare the rate of retroprosthetic membrane (RPM) formation in Boston Keratoprosthesis (BKPro) with polymethyl methacrylate (PMMA) versus titanium backplates.
Retrospective comparative chart review.
Multicenter study population: a total of 78 eyes with keratoprosthesis implants with either PMMA or titanium backplates were included in the study. To be included in the study, all subjects had to have completed a minimum of 6-month follow-up period. Incidence of RPM development at 6-month postoperative period was noted across the study population. PMMA and titanium backplates were then compared by their rate of association with subsequent RPM.
Twenty-three out of 55 eyes (41.8%) with PMMA backplates and three out of 23 eyes (13.0%) with titanium backplates had developed an RPM at 6 months after implantation. The titanium backplates were associated with significantly less RPM formation than PMMA backplates (p = 0.014, Chi-square test).
Titanium seems to be associated with less RPM formation than PMMA when used as a material for the BKPro back plate.
Cornea Service, Massachusetts Eye and Ear Infirmary, 243 Charles Street, Boston, MA, 02114, USA.
This article was published in the following journal.
Severely resorbed mandibles with placed endosteal dental implants can fracture. Therefore, techniques to reduce the risk or minimize the consequences of these fractures are needed. This clinical repor...
This study aimed to compare the clinical and radiologic outcomes of AO titanium locking plate and screw (ATLPS) and anterograde intramedullary (AIM) fixation for treating unstable metacarpal and phala...
Background Postoperative sternal dehiscence with or without mediastinitis is a complication of cardiac surgery leading to considerable disability. Titanium plate fixation can provide sternal stabili...
To evaluate outcomes after Auro keratoprosthesis (kpro) implantation.
The aim of this in vivo study is to compare the single-titanium, double-titanium mini plate, and single resorbable plate systems used in internal rigid fixation of the unilateral mandibular condylar f...
This is a phase I/II prospective, randomized, multi-center, double-masked, vehicle-controlled clinical trial evaluating the safety and efficacy of corneal collagen cross-linking the kerato...
The purpose of this study is to determine whether personalized titanium plates can achieve better accuracy than CAD/CAM surgical splint in maxilla repositioning in orthognathic surgery, an...
A Randomized controlled Clinical trial including 96 patients in which aim is to investigate the clinical outcome of dental implants in titanium-zirconium alloy compared to traditional tita...
This study will involve placing donor bone into the back of lower jaw then covering with a newly designed titanium mesh. The mesh will then stay in the mouth for 4 months before it will be...
The purpose of this study is to assess the change of crestal bone level at the Titanium Zirconium (TiZr) compared to Titanium (grade IV) implant between surgery and 6, 12, 24, and 36 month...
The region in the dorsal ECTODERM of a chordate embryo that gives rise to the future CENTRAL NERVOUS SYSTEM. Tissue in the neural plate is called the neuroectoderm, often used as a synonym of neural plate.
The head of a long bone that is separated from the shaft by the epiphyseal plate until bone growth stops. At that time, the plate disappears and the head and shaft are united.
A light and spongy (pneumatized) bone that lies between the orbital part of FRONTAL BONE and the anterior of SPHENOID BONE. Ethmoid bone separates the ORBIT from the ETHMOID SINUS. It consists of a horizontal plate, a perpendicular plate, and two lateral labyrinths.
General or unspecified injuries to the posterior part of the trunk. It includes injuries to the muscles of the back.
A condition of persistent pain and discomfort in the BACK and the LEG following lumbar surgery, often seen in patients enrolled in pain centers.
Ophthalmology is the branch of medicine that is devoted to the study and treatment of eye diseases. As well as mild visual defects correctable by lenses, ophthalmology is concerned with glaucoma, uveitis and other serious conditions affecting the eye, ...