There are certain dental topics that come up constantly in patient conversations – questions that people have but don’t always ask, or things they’ve heard about but want to understand better. Wisdom teeth removal, fluoride treatments, and tooth-colored fillings are three of them.
If you’re a patient in San Francisco and you’ve been wondering about any of these, here’s a straightforward take on each one.
Wisdom Teeth: Why They Usually Need to Come Out
Most adults end up having their wisdom teeth removed at some point. For a lot of people, the question isn’t whether to have them removed, but when.
Wisdom teeth are the third set of molars, which typically emerge in the late teens or early twenties. The issue is that most modern human jaws don’t have enough room for them. When they don’t have space to come in properly, they can become impacted – meaning they’re stuck against the adjacent tooth, partially erupted through the gumline, or growing at an angle that causes problems.
Even when wisdom teeth do come in partially or fully, they’re often difficult to keep clean because of their position at the back of the mouth. Partially erupted wisdom teeth, in particular, create a flap of gum tissue that’s almost impossible to clean effectively and becomes a prime spot for bacteria to accumulate, leading to infections called pericoronitis.
What does safe wisdom teeth removal look like? For fully erupted wisdom teeth without complications, a standard extraction in a dental office under local anesthetic may be sufficient. For impacted wisdom teeth that haven’t fully emerged, the procedure is more involved – a small incision is made in the gum tissue, bone may need to be removed, and the tooth may be sectioned before extraction. IV sedation or general anesthesia is often used for more complex extractions, particularly when multiple wisdom teeth are being removed at once.
For patients in San Francisco looking for safe wisdom teeth removal, the key factors are working with a dental team that thoroughly evaluates your specific anatomy before surgery, uses appropriate sedation to keep you comfortable, and provides detailed post-operative instructions to support healing.
Recovery after wisdom tooth extraction typically involves a few days of soreness and swelling, eating soft foods, and keeping the extraction site clean. Most people return to normal activities within a week. Following the post-care instructions carefully – especially the ones about avoiding straws, smoking, and anything that could dislodge the blood clot – is important to prevent complications like dry socket.
Fluoride: More Than Just a Kids’ Thing
Fluoride has a bit of an image problem. People associate it with childhood dentistry, with those foam trays they used at school. What many adults don’t realize is that fluoride is just as relevant for grown-up teeth.
Here’s why it matters: fluoride strengthens tooth enamel at a molecular level. It makes the enamel more resistant to acid attacks from bacteria – the same bacteria that cause cavities. It also has some ability to help remineralize early-stage decay before it becomes a cavity that needs a filling.
Most people get some fluoride from toothpaste and, in many cities, from fluoridated tap water. But that’s not always enough, depending on your risk factors. People who are prone to cavities, have dry mouth (a common side effect of many medications), drink mostly bottled or filtered water that lacks fluoride, have exposed root surfaces from gum recession, or are going through orthodontic treatment with braces or aligners are often candidates for additional fluoride.
A professional dental fluoride treatment is quick and straightforward – a highly concentrated fluoride varnish is applied to the teeth and works over the following few hours. It’s typically done at the end of a cleaning appointment. Some patients benefit from prescription-strength fluoride toothpaste for daily home use as well.
If you’ve been told you’re at higher risk for cavities or you’ve noticed more sensitivity than usual (a sign that enamel may be thinning), asking your dentist about fluoride treatments is worth doing.
White Fillings: Why Most Patients Now Prefer Them
The days of silver amalgam fillings being the only option are effectively over for most dental practices. Composite resin – the material used for tooth-colored fillings – has improved significantly over the years, and for the vast majority of cavities, it’s now the preferred choice for patients and dentists alike.
The advantages of white fillings are straightforward:
Appearance. Composite is matched to the color of your tooth, so fillings in visible locations are essentially undetectable. This matters for front teeth and for back teeth that show when you laugh or open your mouth wide.
Bonding to the tooth. Unlike amalgam, which sits in the prepared cavity, composite bonds chemically to the tooth structure. This bonding helps support the remaining tooth and, in some cases, allows the dentist to remove less healthy tooth structure during the preparation.
Temperature stability. Metal fillings expand and contract with temperature changes over time, which can create micro-cracks in the tooth. Composite doesn’t have this issue.
No mercury concerns. Amalgam contains mercury, which has raised concerns for some patients even though major dental and health organizations consider it safe at standard filling quantities. For patients who prefer to avoid it, composite is the clear alternative.
There are some situations where composite fillings have limitations – very large cavities, high-stress areas on back molars, or patients with heavy grinding habits may be better served by a crown or an inlay made of porcelain or ceramic. Your dentist can help you understand what the right choice is for your specific situation.
For older amalgam fillings that are cracking, failing, or simply a cosmetic concern, replacing them with composite is an option worth discussing. Most dentists recommend replacing amalgam fillings when they actually need to be replaced (rather than doing so preemptively), but if you have old fillings that are showing wear or causing issues, it’s a good time to have that conversation.
Putting It Together
Whether you’re dealing with wisdom teeth that need attention, wondering about fluoride as part of your preventive routine, or thinking about updating your old metal fillings, a good dental team in San Francisco can walk you through your options and help you make the right call for your mouth and your situation.
None of these are decisions you have to figure out on your own. A thorough exam and an honest conversation with a dentist who explains things clearly – without rushing you or making you feel pressured – is the starting point for all of them.