Re: Am I the rule or the exception?

>
> I know, myself, my neglect was not near as bad as other people I know.
> In fact, from my 20's forward I brushed at least twice a day, then in
> my 30's I began brushing 3 times a day. I know plenty of people who
> don't even brush twice a day yet have no problems, so that is why I
> suspect a genetic factor as well as neglect.
>

Absolutely related to genetics. Saliva flow, thickness, ability to buffer
acids, clear sugars, tooth morphology are all genetically determined.
Hygiene practices and diet then modulate the above factors.

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Amatus

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"JimSocal" <jimsocal@xxxxxxxxxxxx> wrote in message
news:u5i9o1pk68lkomb001lg4f5c99juramj59@xxxxxxxxxx
> On Wed, 23 Nov 2005 12:34:20 GMT, "Amatus Cremona"
> <Nicola@xxxxxxxxxxxxxx> wrote:
>
>>>
>>> I still wonder how much of this is genetically soft or bad teeth and
>>> how much was just not caring for them. I suspect a bit of both, but
>>> don't really know.
>>>
>>
>>With the exception of a couple of VERY rare genetic disorders, all teeth
>>have the same hardness, period. There are differences in how well the
>>grooves fuse in the center of molars, and differences in saliva, the
>>ability
>>to buffer acids, clear sugars, and immune systems. Add in habits and oral
>>hygiene for a complete picture. It cannot be blamed on "soft" teeth as
>>they
>>do not exist (except for enamogenisis impefecta and dentinogenis
>>imperfecta)
>>[sp?]
> Thanks. I got the disinformation re "soft teeth" from a dentist.
> Anyway, the point remains: I wonder how much of it is genetic and how
> much purely neglect.
>
> I know, myaelf, my neglect was not near as bad as other people I know.
> In fact, from my 20's forward I brushed at least twice a day, then in
> my 30's I began brushing 3 times a day. I know plenty of people who
> don't even brush twice a day yet have no problems, so that is why I
> suspect a genetic factor as well as neglect.


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