Doing a 24-hour urine collection for proteinuria and creatinine clearance is unnecessary because a spot urine sample to measure urine albumin to creatinine ratio is quite sufficient for diagnosis and therapy. More importantly, exercise, dietary protein, and sustained upright posture tend to increase albumin excretion rates.
As an orthodontist i see many panoramic x-rays of children as young as 8 with the earliest signs of wisdom tooth formation. Teeth take a long time to develop and erupt. Your top front permanent tooth, for example, that came in when you were about 7, began to form before you were born.
These teeth are replaced by permanent teeth between 4-6 months of age. At 4 months of age the first permanent teeth to erupt are the central incisors (blue arrows). These are followed by each incisor laterally (green arrows) with the canine or fang teeth being last to erupt.