Vertical Skeletal Changes after Extraction and Nonextraction Orthodontic Treatment.

Objectives:  Due to the constant battle regarding the controversial topic of orthodontic extraction, this study aims to assess the changes in vertical dimensions of patients treated with premolar extractions compared with nonextraction orthodontic patients.

Materials And Methods:  A sample of 60 borderline patients were recruited and divided into extraction and nonextraction groups. Eleven pretreatment cephalometric measurements were recorded using WebCeph and patients were followed-up until the completion of treatment.

Knowledge and Attitude of Dental Practitioners Related to Disinfection during the COVID-19 Pandemic.

The world is currently facing a pandemic crisis due to a novel coronavirus. For this purpose, acquiring updated knowledge regarding prevention and disinfection during the current pandemic is necessary for every dental practitioner. In our study, we aimed to evaluate globally the level of knowledge and the attitude of dental practitioners related to disinfection.