When children's permanent teeth come in substantially later than average, it is called delayed tooth eruption. In Factors Influencing Permanent Teeth Eruption, Ruta Almonaitiene, et al. argue that delayed tooth eruption does not normally indicate a medical problem. Instead, numerous sociological, lifestyle and genetic factors affect when a child's permanent teeth arrive.
When you factor in the residual values the vinyl fence will cost you about $168.00 per year while the western red cedar picket fence will cost you about $534.00 a year.
Vinyl picket fence: 1-1/2 pickets with 2 spacing, 2 rails of 2x4 , 4x4 posts at 8' OC; concrete post holes; including waste. $14.23: per foot: 380: $5,408: Gates: 1 driveway gate, made up of 2 units 4' wide x 48 tall and with closing latches. $397: each: 2: $794: Equipment rental: power post-hole digger; and power cement mixer. $25: per day: 5: $125: Material Cost: $17.57