Frequently Asked Questions (FAQs): Fillings

It's generally recommended to postpone elective dental work like fillings until after pregnancy. However, if you have a cavity causing pain or an infection, it's crucial to address it immediately. Untreated dental problems can pose risks to both mother and baby.  Your dentist will take precautions and discuss the safest filling options for your situation.

Silver fillings made of amalgam don't last forever. With time they may show signs of cracking, leaking or chipping. The tooth itself may weaken also, depending on the size of the filling. This signifies the filling is at the end of its lifespan and we tend to recommend replacing the filling at this time. A more modern material to use is a composite resin which is tooth coloured and more aesthetically pleasing than amalgam. 

Additionally, amalgam fillings do contain trace amounts of mercury which has seen a rise in patients electing to have their fillings replaced sooner rather than later. This is a personal preference and an elective procedure, as old amalgam fillings are considered safe. 

The lifespan of a dental filling depends on several factors. These include the filling material, its location, oral care habits, and individual factors like teeth grinding. Metal fillings typically last the longest, especially in low-chewing-pressure areas. Additionally, good oral hygiene practices contribute to their longevity.

Most patients experience minimal discomfort during a filling procedure. Your dentist will use local anaesthesia to numb the tooth and surrounding area, ensuring you don't feel pain during the process. You may experience some temporary sensitivity after the anaesthesia wears off, which can be managed with over-the-counter pain medication if required.

Dental fillings can be made from several different materials:

• Amalgam (silver fillings): A durable alloy of silver, tin, copper, and mercury. Historically popular, but less commonly used today due to aesthetic concerns.
• Composite resin: Tooth-coloured material made of plastic and fine glass particles. Blends well with your natural teeth.
• Gold: Very strong and long-lasting, but also the most expensive option.
• Ceramic: Similar to composite resin in colour, but even more durable.
• Glass Ionomer: Releases fluoride, which may help protect teeth. Often used for fillings below the gum line or temporary fillings in children.

Composite resin utilises modern adhesive techniques to restore the structural, biomechanical and aesthetic integrity of teeth by 'bonding' to the tooth surface. 

These fillings are tooth-coloured to match your smile, unlike silver amalgam fillings of the past. 

Composite restorations are used for a variety of purposes such as; 

- Small restorations

- Replacement of amalgam fillings

- Bonding to restore functionality i.e. due to chipping/fracture

- Veneer/covering of discoloured/mishapen teeth

The short answer is straight away!

However, be careful to avoid hot food and drink until the local anaesthetic has worn off (if it was needed) to avoid burns.