Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review.

With the growing demands for bone implant therapy, titanium (Ti) and its alloys are considered as appropriate choices for the load-bearing bone implant substitutes. However, the interaction of bare Ti-based implants with the tissues is critical to the success of the implants for long-term stability. Thus, surface modifications of Ti implants with biocompatible hydroxyapatite (HAp) coatings before implantation is important and gained interest.

Interest in Skin Cancer in Urban Populations: A Retrospective Analysis of Google Search Terms in Nine Large German Cities.

Skin cancer is a major public health issue, which could be reduced through prevention programmes. How-ever, prevention utilization is not very prevalent. It is therefore important to understand individuals' interest in skin cancer.