Dentofacial esthetics flow from the outside-in. The macro-esthetic features of the face directly influence the mini-esthetic characteristics of the smile and, ultimately, the micro-esthetic details of the teeth. Yet orthodontic diagnosis and treatment planning have traditionally been heavily tooth- and occlusion-centered. An Outside-In approach reverses this sequence by first evaluating the face, then the smile, and finally the teeth and occlusion. This one-day course will present a systematic and clinically practical approach to Outside-In dentofacial diagnosis and treatment planning. Particular emphasis will be placed on vertical dentofacial esthetics, facial thirds, lip position and support, maxillary incisor display, smile arc, and the dominant esthetic role of the maxillary central incisors. These concepts will then be integrated with anteroposterior diagnosis and treatment planning. The course will also explore one of the most challenging areas of everyday orthodontic practice: treatment decisions in borderline cases involving crowding and protrusion. Through extensive clinical cases, participants will examine pragmatic strategies for balancing alignment, arch development, incisor position, lip support, facial esthetics, and stability when determining extraction versus non-extraction treatment. The goal is to provide clinicians with a repeatable diagnostic framework that prioritizes the features that matter most to the patient's overall dentofacial appearance while integrating these esthetic objectives with sound orthodontic mechanics and treatment efficiency.