光悅牙醫診所的商標構成以英文書寫體”D”作為主體，流暢的一筆帶過繪製出有著愛心形狀的牙齒，直覺地表達出對於牙齒保健的極致用心與完善照護，D自主體形成了一隻悠然的鳥兒停駐在健康的牙齒上，用來呼應品牌精神「山光悅鳥性」的情緒，享受著公園旁的陽光與綠意，再以系列品牌「心悅牙醫」的橘色三角形做為點綴，創造品牌的連貫性，與用心經營的核心價值。

The trademark of DELIGHT DENTAL CLINIC consists of the English script "D" as the main body. The smooth stroke brings out the teeth with heart shape, intuitively expresses the ultimate intention and perfect care for dental care, and D's shape is be a birds which parked on healthy teeth, echoing the spirit of the brand spirit, enjoying the sunshine and greenery beside the park, and then using the orange triangle from the brand's series "CHEERS Dental Clinic" as the Embellishment creates the coherence of the brand and the core value of the management.