Some replies :-
Pottz:- Thanks and I guess you are aware over brushing causes bleeding gums and the tooth paste may turn red.
SplinterGroup:-   Chaw  ... sorry I have never heard of it,  and yes it will return to its outside location to monitor how long it lasts, hopefully longer than I keep my tools!
LittleBlackDuck:- Thanks its usually hard to impress anybody these days you will like my next post.
Steve Rasmussen:- Thanks nice to see somebody else appreciates the amount of work required.

Regards Rob