Trigonocephaly's effect on the forehead

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Does anyone know what else trigonocephaly causes? I believe that it can make foreheads more narrow much like the reduction of space between the orbits, as well as reduce the prominence of both lateral ends of the forehead, making the supraorbital ridge near the ends of the forehead appear protuberant in contrast. Anyone else notice this? What else do you know about how it affects the cranium's shape? Please explain clearly and in detail.