Can Anyone Get Dental Implants?
Dental implants have revolutionized dentistry. They look natural, feel stable, and last a lifetime. It seems like everyone is getting them. But are they for everyone? The honest answer is no. While most healthy adults can get implants, there are specific medical, anatomical, and lifestyle factors that can disqualify you or make the risk too high.
This article explores who is a candidate, who is not, and what you can do if you fall into a “gray area.”
The Ideal Candidate
Before we look at who can’t get them, let’s define who is perfect for them.
- Good General Health: You are healthy enough to undergo a minor surgical procedure.
- Good Oral Health: No active gum disease (periodontitis). Healthy teeth and gums in the rest of the mouth.
- Adequate Bone Volume: You have enough height and width of bone in the jaw to hold the screw.
- Non-Smoker: You do not smoke, or you are willing to quit for the duration of the healing.
- Good Hygiene: You can commit to brushing and flossing.
If you tick all these boxes, your success rate is over 95%.
Who Cannot Get Dental Implants? (Absolute Contraindications)
These are situations where an implant is almost always a bad idea.
1. Uncontrolled Systemic Diseases
- Uncontrolled Diabetes: Diabetes affects healing. If your blood sugar is high (HbA1c above 7 or 8), the bone cannot heal around the implant. The implant will likely fail.
- Severe Bleeding Disorders: Hemophilia or severe platelet disorders make surgery dangerous.
- Recent Heart Attack or Stroke: You should wait at least six months after a cardiac event before undergoing elective surgery.
- Immunocompromised States: Active chemotherapy, radiation therapy to the head/neck, or AIDS/HIV with low T-cell counts.
2. Intravenous Bisphosphonate Use
Bisphosphonates are drugs used to treat osteoporosis and cancer (e.g., Fosamax, Zometa). If you take these drugs intravenously (IV), bone healing is severely suppressed. Placing an implant can trigger “Osteonecrosis of the Jaw” (ONJ), a horrific condition where the bone dies and turns black. Oral bisphosphonates are a lower risk but still require caution.
3. Insufficient Bone and Inability to Graft
If you have lost a lot of bone and the dentist cannot rebuild it (e.g., the sinus is too low, or the nerve is too close to the surface), there is nowhere to put the implant.
4. Uncontrolled Psychiatric Disorders
If a patient has severe schizophrenia or dementia and cannot understand the importance of hygiene, the implant will become infected and fail.
The “Gray Area” Candidates (Relative Contraindications)
This is where it gets tricky. You can still get implants, but the risk is higher.
1. Smokers
Smoking constricts blood vessels. It dramatically reduces the healing capacity of the gum.
- The Stat: Smokers have an implant failure rate 2 to 3 times higher than non-smokers.
- The Requirement: Many dentists require you to stop smoking 2 weeks before surgery and 2 months after.
2. Teenagers
As discussed in a previous article, young people whose jaws are still growing should not get implants.
3. Pregnancy
Dental surgery is generally avoided during pregnancy, especially the first trimester. It is safe to wait until after delivery.
4. Heavy Grinders (Bruxism)
If you grind your teeth hard, you can overload the implant and break the screw. You can still get one, but you must wear a night guard.
The Importance of Bone Volume
The screw needs bone. If the tooth was extracted years ago, the bone melts away (resorption).
The “Knife-Edge” Ridge
Sometimes the remaining bone is so thin it looks like a knife edge. You cannot put a screw in that.
The Solution: Bone Grafting
You can build bone back up.
- Socket Graft: Placed when the tooth is extracted.
- Ridge Augmentation: Adds width to a thin ridge.
- Sinus Lift: Adds height to the upper back jaw by lifting the sinus membrane.
If you are willing to undergo a bone graft, you can often convert a “no” into a “yes.”
Age: Is There an Upper Limit?
You are never too old for an implant. If you are 85 and healthy, you can get one. The dentist cares about your biological age (health), not your chronological age.
The Medical Evaluation
Before the dentist says yes, they will ask for your medical history.
- List your medications: Bring a list to the appointment. Do not forget supplements.
- Blood Pressure: High blood pressure must be controlled.
- Allergies: Are you allergic to antibiotics or metals? (Titanium allergy is rare but possible).
Table: Candidate Status Checklist
| Category | Status | Action |
|---|---|---|
| Smoker | Gray Area | Stop smoking 2 weeks prior/post |
| Diabetic (Controlled) | Candidate | Get medical clearance from doctor |
| Diabetic (Uncontrolled) | Non-Candidate | See endocrinologist first |
| Osteoporosis (Oral meds) | Gray Area | Discuss risks of ONJ |
| Osteoporosis (IV meds) | Non-Candidate | Avoid implants |
| Teenager | Non-Candidate | Wait for growth to stop |
Conclusion
While dental implants are a fantastic solution for most people, they are a medical procedure, not a cosmetic accessory. The best way to find out if you qualify is to undergo a comprehensive examination by a qualified implant dentist. If you have health issues, managing them first is the key to joining the millions who successfully enjoy dental implants.
Additional Resource
For more on bone grafting and implant candidacy, visit the Academy of Osseointegration at www.osseo.org.
