Dental Crown that is too short? Is this normal?

Thanks for the question.
Through margining the aesthetical proportion is decided for the crowns veneer. It should be kept in mind that having all the teeth in a row does not result in beautiful smile; therefore, in smile makeovers the most aesthetic smile is planning regarding several factors such as visual exposure of the teeth while smiling, head portion, nose and eye portions, head type, jawline, etc. Therefore, through such indications the perfect smile can be estimated and achieved.
All indications given are estimated and can be changed after the physical examination and x-ray.