Posts for category: Dental Procedures

By Ken Yasuhara, DDS - Aesthetic and Restorative Dentistry
March 30, 2021
Category: Dental Procedures
Tags: dental implant  
OvercomingBoneLossPreventingYouFromGettinganImplant

Introduced to the United States in the 1980s, dental implants have quickly become the go-to restoration for tooth replacement. And for good reason: they're not only incredibly life-like, they're highly durable with a 95% success rate.

But as desirable as they are, you may face a major obstacle getting one because of the condition of the bone at your implant site. To position the implant for best appearance and long-term durability, we must have at least 4-5 mm of bone available along the horizontal dimension. Unfortunately, that's not always the case with tooth loss.

This is because bone, like other living tissue, has a growth cycle: Older cells die and dissolve (resorb) and newer cells develop in their place. The forces transmitted to the jaw from the action of chewing help stimulate this resorption and replacement cycle and keep it on track. When a tooth is lost, however, so is this stimulus.

This may result in a slowdown in cell replacement, causing the eventual loss of bone. And it doesn't take long for it to occur after tooth loss—you could lose a quarter of bone width in just the first year, leaving you without enough bone to support an implant. In some cases, it may be necessary to choose another kind of restoration other than implants.

But inadequate bone isn't an automatic disqualifier for implants. It's often possible to regenerate lost bone through a procedure known as bone augmentation, in which we insert a bone graft at the missing tooth site. The graft serves as a scaffold for new bone cells to grow upon, which over time may regenerate enough bone to support an implant.

Even if you've had a missing tooth for some time, implementing bone augmentation could reverse any loss you may have experienced. In fact, it's a common practice among dentists to place a bone graft immediately after a tooth extraction to minimize bone loss, especially if there will be a time lag between extraction and implant surgery.

Bone augmentation could add extra time to the implant process. But if successful, it will make it possible for you to enjoy this popular dental restoration.

If you would like more information on dental implant restoration, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Dental Implants After Previous Tooth Loss.”

By Ken Yasuhara, DDS - Aesthetic and Restorative Dentistry
February 08, 2021
Category: Dental Procedures
Tags: tooth decay  
3ReasonsWhyTreatingCavitiesIsBecomingMoreEffective

If you've ever had a run-in with cavities, you know the drill (no pun intended): After getting a local anesthetic for pain, the dentist removes any decayed dental tissue, as well as some healthy tissue, and then fills the cavity to restore the tooth. It's an effective treatment protocol we've been using for well over a century.

It does, however, have its drawbacks. For one, although necessary, removing healthy dental tissue can weaken the overall tooth structure. The dental drill used during the procedure is also unpleasant to many people: Although it doesn't cause any pain thanks to the anesthetic, the sounds and pressure sensations associated with it can be unsettling.

But advances in dental tools, technology and techniques are addressing these drawbacks in traditional tooth decay treatment. In other words, treating a tooth with cavities today is taking on a lighter touch. Here are 3 reasons why.

Earlier detection. The key to effective treatment is to find tooth decay in its earliest stages. By doing so, we can minimize the damage and reduce the extent of treatment needed. To do this, we're beginning to use advanced diagnostic tools including digital x-rays, intraoral cameras and laser fluorescence to spot decay, often before it's visible to the naked eye.

Re-mineralizing enamel. One of the advantages of early detection is to catch tooth enamel just as it's undergoing loss of its mineral content (demineralization) due to contact with acid. At this stage, a tooth is on the verge of developing a cavity. But we can use minimally invasive measures like topically applied fluoride and CPP-ACP (a milk-based product) that stimulates enamel re-mineralization to prevent cavity formation.

Less invasive treatment. If we do encounter cavities, we no longer need to turn automatically to the dental drill. Air abrasion, the use of fine substance particles under high pressure, can precisely remove decayed material with less loss of healthy tissue than a dental drill. We're also using newer filling materials like composite resins that don't require enlarging cavities as much to accommodate them.

These and other techniques—including laser technology—are providing superior treatment of tooth decay with less invasiveness. They can also make for a more pleasant experience when next you're in the dentist's chair.

If you would like more information on effectively treating dental disease, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Minimally Invasive Dentistry.”

By Ken Yasuhara, DDS - Aesthetic and Restorative Dentistry
January 29, 2021
Category: Dental Procedures
Tags: dental implant  
SmokingCouldIncreasetheRiskofanImplantFailure

Although they can be expensive upfront, dental implants often prove to be a wise investment in the long-term. With a success rate that outperforms other teeth replacement restorations, dental implants could be the answer to a more attractive smile that could last for decades.

But while their success rate is high (95% still functioning after ten years), they can and do occasionally fail. Of those that do, two-thirds happen in patients who smoke.

This unfortunate situation stems from smoking's overall effect on dental health. The nicotine in tobacco constricts oral blood vessels, inhibiting the flow of nutrients and antibodies to the teeth and gums. Inhaled smoke can scald the inside skin of the mouth, thickening its surface layers and damaging salivary glands leading to dry mouth.

These and other effects increase the risk for tooth decay or gum disease, which in turn makes it more likely that a smoker will lose teeth than a non-smoker and require a restoration like dental implants. And blood flow restriction caused by nicotine in turn can complicate the implant process.

Long-term implant durability depends on bone growth around the imbedded implant in the ensuing weeks after implant surgery. Because of their affinity with the titanium used in implants, bone cells readily grow and adhere to the implant. This integration process anchors the implant securely in place. But because of restricted blood flow, the healing process involved in bone integration can be impaired in smokers. Less integration may result in less stability for the implant and its long-term durability.

To increase your chances of a successful implant installation, you should consider quitting smoking and other tobacco products altogether before implant surgery. If that's too difficult, then cease from smoking for at least one week before surgery and two weeks after to better your odds of implant success. And be as meticulous as possible with daily brushing and flossing, as well as regular dental visits, to reduce your risk of disease.

There are many good reasons to quit smoking. If nothing else, do it to improve your dental health.

If you would like more information on tobacco use and dental health, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Dental Implants & Smoking.”

By Ken Yasuhara, DDS - Aesthetic and Restorative Dentistry
January 19, 2021
Category: Dental Procedures
VivicaFoxandZendayaHaveThisinCommonAGorgeousSmile

Kill Bill fans have been pressing for a third installment of the stylized revenge tale since Kill Bill, Volume 2 hit the theaters in 2004. Finally, filmmaker Quentin Tarantino is talking about the long-awaited Volume 3 as if it might soon become a reality. The third movie in the franchise would most likely focus on the now-grown daughter of the character played by Vivica A. Fox in the first two. Vivica recently made known that should Kill Bill, Volume 3 go into production, she thinks 24-year-old actress and singer Zendaya would be perfect for the role.

Although Zendaya is a few inches taller than Vivica, the two women have a few things in common. Besides being talented movie and television actresses who have won awards for their roles, they both have camera-ready smiles. And both Vivica and Zendaya can thank their dentists for helping their smiles be their best.

In 2016, Vivica told Dear Doctor magazine that her smile needed a boost, so she opted for dental veneers to correct gaps between her teeth—and she's very happy with them. “I love my veneers!” she exclaimed. Zendaya also had help in achieving her Hollywood-perfect smile. In 2011, early in her career on the Disney channel, she wore clear orthodontic aligners to straighten her teeth. To further perfect her smile, she visited her dentist for professional teeth whitening in 2016, inviting a film crew along to show how easy and effective in-office tooth whitening is.

But you don't have to be a celebrity to enjoy smile-enhancing dental treatments. They are great options for anyone who wants to improve the look of their smile.

Teeth whitening. If your teeth are looking yellowed, in-office whitening can make them up to 10 shades brighter in one visit! Some people prefer professional at-home whitening kits, which produce great results more gradually.

Bonding or veneers. For small chips and cracks, cosmetic bonding can cover flaws by adding layers of a tooth-colored material over the tooth. For bigger flaws, heavy discoloration or gaps between teeth as Vivica had, dental veneers may be the answer. These custom-made thin porcelain shells cover the front-facing surface of the tooth, hiding imperfections to give anyone a Hollywood smile.

Orthodontics. Crooked teeth can detract from the look of a smile. While traditional braces are an option, many people with mild to moderate alignment issues find removable clear aligners the perfect way to get the smile they desire with minimal impact on their daily activities. Clear aligners are very subtle and can be removed for eating and cleaning as well as for special occasions—or for filming scenes, as Zendaya knows.

Contact us or schedule an appointment for a consultation to see if professional teeth whitening, cosmetic bonding or veneers, orthodontics, or another dental treatment could enhance your smile. You can also learn more by reading the Dear Doctor magazine articles “Important Teeth Whitening Questions Answered” and “How Your Dentist Can Help You Look Younger.”

By Ken Yasuhara, DDS - Aesthetic and Restorative Dentistry
January 09, 2021
Category: Dental Procedures
Tags: dentures  
FlexibleRPDs-aSoundTemporaryWayToReplaceMissingTeeth

The timing around losing a tooth may not always sync with your financial ability. It's not unusual for people to postpone getting a dental implant—by far the best option for replacing a missing tooth—because of its expense.

So, if you have to postpone dental implants until you can afford them, what do you do in the meantime to keep your smile intact? One affordable option is a temporary restoration known as a flexible removable partial denture (RPD).

Composed of a kind of nylon developed in the 1950s, flexible RPDs are made by first heating the nylon and injecting its softened form into a custom mold. This creates a gum-colored denture base to which prosthetic (false) teeth are affixed at the exact locations for missing teeth.

Differing from a permanent RPD made with rigid acrylic plastic, a nylon-based RPD is flexible and lightweight, making them comfortable to wear. They're kept in place with small nylon extensions that fit into the natural concave spaces of teeth. And, with a bit of custom crafting, they can look quite realistic.

RPDs are helpful in another way, especially if you're waiting for an implant down the road: They help preserve the missing tooth space. Without a prosthetic tooth occupying that space, neighboring teeth can drift in. You might then need orthodontic treatment to move errant teeth to where they should be before obtaining a permanent restoration.

Flexible RPDs may not be as durable as acrylic RPDs, and can be difficult to repair or reline if needed to adjust the fit. Though they may not stain as readily as acrylic dentures, you'll still need to clean them regularly to help them keep looking their best. This also aids in protecting the rest of your mouth from dental disease by removing any buildup of harmful bacterial plaque on the RPD.

But even with these limitations, patients choose RPDs for the simple fact that they're affordable and temporary. And the latter is their greatest benefit—providing you a “bridge” between losing a tooth and replacing it with a durable dental implant.

If you would like more information on tooth replacement options, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Flexible Partial Dentures.”