Children's Internet use and physical and psychosocial development.

Introduction: Internet use (IU) commonly refers to sedentary lifestyle and may be addictive, especially among children. The aim of this study was to investigate the relationship between IU and some aspects of child physical and psychosocial development.

Methodology: We conducted a cross-sectional survey by using a screen-time based sedentary behavior questionnaire and Strengths and Difficulties Questionnaire (SDQ)-among 836 primary school children in the Braničevo District.

[Effects of adenoidectomy and immediate orthodonthic treatment on jaw relations and naso-respiratory rehabilitation].

Aim: To determine if adenoidectomy itself could provide spontaneous relation of the transverse growth of jaws as well as an adequate mode of breathing or if there is a need for an additional orthodontic treatment to solve the problem.

Methods: The study included one hundred and one patients aged 6-17 yrs., divided into three groups: group K--patients with oral respiration caused by adenoidal enlargement; group 1--patients with adenoidectomy done 5 or more years before; group 2--patients with orthodontic treatment done immediately after adenoidectomy.