When you are not confident with the anterior gap of your smile. We can now easily close the gap by doing Space closure . This technic can do just only Direct Composite which not grinding any of your tooth material that can finish in one visit. But composite material can be worn out by time . You can also do Porcelain Veneer to close the gap that is more durable but not so conservative we have to cut some of the tooth out and doing Porcelain Veneer on it to close the space. But most of the case we choose the direct composite conservative technic for the patients