Everything about clear retainer
อุปกรณ์ติดแน่นกับฟัน ทำให้หลายคนใส่แล้วไม่ชอบThe biggest challenge with detachable retainers is relapse is common. It's because people may drop the retainer and never substitute it or don’t don their retainer as frequently as instructed.วิธีรัก