Development of a Greek Oral health literacy measurement instrument: GROHL.

Background: Oral health literacy is an important construct for both clinical and public health outcomes research. The need to quantify and test OHL has led to the development of measurement instruments and has generated a substantial body of recent literature. A commonly used OHL instrument is REALD-30, a word recognition scale that has been adapted for use in several languages.

Comparative clinical study testing the effectiveness of school based oral health education using experiential learning or traditional lecturing in 10 year-old children.

Background: School based oral health education through traditional lecturing has been found successful only in improving oral health knowledge, while has low effectiveness in oral hygiene and gingival health. The aim of this study was to evaluate the effectiveness of experiential learning (EL) oral health education to traditional lecturing (TL), on enhancing oral health knowledge, attitude and behavior as well as oral hygiene, gingival health and caries of 10-year-old children.

Methods: Eighty-four children were recruited for the EL and 100 for the TL group from 3 locations in Greece.

Knowledge of European orthodontic postgraduate students on biostatistics.

The purpose of this study was to explore the level of knowledge in biostatistics of orthodontic postgraduate students. A four-section questionnaire, which included a knowledge test/quiz on biostatistics and epidemiology, was developed. This questionnaire was distributed to postgraduate programme directors of European universities to be delivered to students for completion under mock examination conditions (in-class session).