أود الاستفسار عن ضرر مادة الزئبق الداخلة في تركيب حشوة الاملغم ..علما باني بحثت على الانترنت في بعض المواقع اللي تشكك في ضرره اذ لا تبلغ كمية الزئبق الداخل في التركيبة حد التسبب بالضرر
ما مدى مصداقية هالكلام؟!
ان كان بالامكان الاستبدال بحشوة الكومبوزيت التي كما علمت تعد الاخطر لاحتواءها على حمض الفوسفور
شو بينصحونا اطباءنا ؟

مزبوط كلامك حكيم ، وصف الدواء لا يحتاج للـ form وعذرا على خطأي في الكتابة لأنو أنا كنت عم وضح فكرة أهمية الـ form بشكل عام ولم ألتفت لتلك النقطة ..

منرجع على شغلة الحشوة ..

بالفعل ربما يكون من الأفضل كما ذكرت انت يا شكازولو إنو الواحد يقول هل الكلام للمريض من باب الأمانة الطبية رغم عدم وجود الأدلة العلمية على ذلك ..

مع رأيي عدم تضخيم المسألة وجعلها ذات طابع نفسي وهاجس للمريض ..

وأود أن أوضح هنا بعض المعلومات فيما يتعلق بموضوعنا من مختلف مصادر الهيئات العالمية لطب الأسنان: وادع الترجمة لكم :

أبدأ أولاً مع Canadian Dental Association :

Have recent studies proven that dental amalgam releases mercury vapour and that it should not be used?
Scientific studies have not verified that dental amalgam is causing illness in the general population. It has been known for some time that amalgam fillings release minute amounts of mercury vapour, especially with chewing, and that this mercury can be absorbed, reach body organs, and cross the placenta. This is also true of mercury absorbed from natural sources, such as food.


Isn't mercury known to be a poisonous substance?
As a single element, mercury is a poisonous metal to which we are all exposed through air, water, soil and food. In dental amalgam, it is bound in an alloy, which also includes silver, copper and tin. Very small amounts of mercury vapour are released from amalgam with chewing. Mercury's toxicity is related to the amount absorbed. The mercury absorbed from all sources accumulates in body organs and tissues, mostly in the kidneys, but also in the brain, lungs, liver and gastrointestinal tract.



What amount of mercury does a person take into the body from natural sources and how much comes from amalgam fillings?
The amount depends on a number of factors, such as the type of food you eat, your occupational exposure, environmental levels and the number of amalgam fillings you have. Health Canada estimates that for the average Canadian adult 20 to 59 years old the amount of mercury absorbed by the body from all sources is about nine millionths of a gram per day. Of this total dental amalgam is estimated to contribute about three millionths of a gram per day.



Why does the dental profession continue to use amalgam when questions are being raised about its safety, even if there are no proven dangers?
Every time a foreign substance is used in the human body for therapeutic purposes, there is an element of risk. Health professionals must constantly weigh the known risks of a particular intervention against known benefits. In the case of dental amalgam, the scientific evidence indicates that no significant risks are involved. If there were risks, they would have been clearly observed during the 150 years that this material has been in use.
Dental team members, in particular, would have shown clinically demonstrable effects due to their considerable exposure to the substance. The risks associated with the use of dental amalgam appear to be limited, and the benefits to patients are known to be large. Dental amalgam is much stronger and more durable than alternative restorative materials, and amalgam restorations can be completed at a more reasonable cost. Recent advances, such as the development of amalgam bonding techniques, have made amalgam even more advantageous as a restorative material.
Gold alloy inlay castings would be a reasonable substitute if the material and required procedures were not so costly. It is also possible that alternative materials, subjected to the same level of scrutiny as dental amalgam, will prove to have other advantages and disadvantages. The dental profession is aware of research to find more durable alternatives to amalgam, and these materials may be available within the next decade.

Should special precautions be taken with pregnant women or with children?
Dentists consider a number of factors in determining treatment for children and for pregnant patients. Assuming that they are aware of the pregnancy, and in consultation with the patient, dentists may recommend alternative restorative materials, other forms of treatment, or delay of treatment. In many instances amalgam presents the best possible option for restorative treatment.
There is no scientific evidence of ill effects, although mercury is known to cross the placenta. A stakeholder committee convened by Health Canada concluded that while "the research evidence did not support excluding children, pregnant or lactating women...from receiving amalgam fillings...common sense dictated that pregnant women should avoid any elective medical or dental intervention until after delivery."
Most children today have far fewer cavities than in the past, and, consequently, less exposure to mercury. Dentists give special consideration to restorative treatment for children and any concerns expressed by parents. Dental amalgam offers distinct advantages in many cases. Alternative materials are considered when suitable and recommended as indicated.

واللي بدو يقرا الـ Canadian Dental Association Position on Amalgam ينقر على الرابط

http://www.cda-adc.ca/_files/position_statements/amalgam.pdf

هلق رأي الـ American Dental Association:

Revised: April 2007

Dental amalgam (silver filling) is considered a safe, affordable and durable material that has been used to restore the teeth of more than 100 million Americans. It contains a mixture of metals such as silver, copper and tin, in addition to mercury, which binds these components into a hard, stable and safe substance. Dental amalgam has been studied and reviewed extensively, and has established a record of safety and effectiveness.

لمزيد من المعلومات الرابط:
http://www.ada.org/prof/resources/po...ts/amalgam.asp



وعذرا على الإطاله ...

يا شباب أنا كنت عم دور على النت ..ولقيت هالصفحة من FDA .............وهاي هي المنظمة اللي لازم نتبع كلامها مهما كان .....

http://www.fda.gov/cdrh/consumer/amalgams.html

ألف شكر إلك وسام على التوضيحات الرائعة .........

وصلت الفكرة هلأ وكل شي صار واضح ........ووردة لكل من شارك بالموضوع

شكرا لك شكازولو ولكل من قرأ أو أعطى رد ..

ولنا عودة كما ذكرت فيما يتعلق بالخصائص البيولوجية لحشوات الكمبوزيت الضوئية إن شاء الله ..