The effect of chewing gum on the rate of en-masse space closure: A randomised controlled trial.

Aim: To evaluate the effect of chewing gum on the rate of space closure, oral hygiene, pain during space closure and appliance breakage in patients undergoing fixed appliance therapy.

Design: A prospective, single-centre, two-arm, parallel, double-blinded randomised controlled trial.

Setting: Orthodontic unit of a privately funded hospital, Chennai, India.

Cranial Base Angle in Patients With Cleft Lip and Palate-A Systematic Review and Meta-Analysis.

Diverse findings have been reported for the cranial base angle (CBA) in patients with CLP (cleft lip and palate) and non-CLP controls. The aim of this study is to assess and evaluate the CBA in patients with CLP and non-CLP controls. Data from PubMed, OVID Technologies, Inc.