[Electron microscopic examination of the surface morphology of dental implants]. / Fogászati implantátumok felületi morfológiájának elektronmikroszkópos vizsgálata.

The surface morphology of implants plays a considerable role in their long-term stability. The authors summarise the results of their research of the surface morphology of dental implants. They describe in detail the methods of manufacturing the surface and their analysis. In their study the SEM was used for surface analysis.

[Surface treatment of dental implants with high-energy laser beam] . / Fogászati implantátumok felületkezelése nagy teljesítményú lézersugárral.

In the present study the biological value of the laser prepared titanium implants has been investigated. Screw-type implants with different surface modifications were placed into the femurs of rabbits. Removal torque measurements and histological examinations were prepared. The examinations were divided into two groups. In the first part of the examinations the laser surface treatment was compared to other type of surface modifications. In the examination groups the implants were prepared with the following surfaces: 1. machined, 2. sandblasted, 3. low intensity laser surface, 4. high intensity laser surface, 5. titanium oxide coated surface. In the second part of the examinations laser treatment with different physical variables were observed. It has been concluded, that in both cases the high energy laser treated implants needed higher removal torque and in some cases an osteogenic activity was observed around them in the medullary space as well. The authors think the advantage of laser surface treatment lies in special micromorphology and the increased cleanliness of the surface.

[Gardner syndrome--on the basis of three cases]. / A Gardner-szindrómáról több eset kapcsán.

Based on the 3 cases, the authors describe the Gardner-syndrome which is not so well-known in Hungary. The most important features of the Gardner syndrome are the malignized large intestine polyposis, the multiplex osteomies and the different skin tumours. The earliest symptoms suspecting the clinical picture, are usually dental and/or mandibular lesions. Being aware of the above mentioned facts the dentist noticing the symptoms first is highly responsible.