Furthermore, when viewed from the side, the front teeth are in a protruding state.
Literal
Furthermore, side [from-から] look [conditional-と], front-teeth [topic-は] buck-teeth [possessive-の] state [at-に] exist.
A dental observation. 出っ歯 (buck teeth/protruding teeth) is a colloquial but widely understood term. ~の状態にある (is in the state of) is a formal way to describe a condition. 横から見ると uses the ~と automatic conditional: 'when you look from the side.'