Can Missing Teeth Cause Bone Loss? Understanding What Happens When You Delay Treatment

Man smiling with no missing teeth

One of the most common questions patients ask after losing a tooth is, “Do I really need to replace it?” While many people are concerned about the appearance of a missing tooth, there is another issue that is often overlooked: bone loss.

The answer is yes. Missing teeth can lead to bone loss in the jaw, and the process often begins much sooner than most people realize. Over time, this loss of bone can affect not only your oral health but also your options for future treatment.

Why Does Bone Go Away After Losing a Tooth

Every time you bite and chew, the roots of your teeth transmit forces into the jawbone. This stimulation helps maintain healthy bone through a natural process called remodeling.

When a tooth is removed or lost, the jawbone no longer receives stimulation in that area. As a result, the body begins to break down and reabsorb the bone that once supported the tooth. This process is known as alveolar ridge resorption. Studies have consistently shown that bone loss following tooth extraction is a predictable biologic response that occurs as part of the normal healing process.¹⁻³

How Quickly Does Bone Loss Happen?

Many patients assume bone loss takes years to occur. In reality, the greatest amount of bone loss occurs during the first several months after a tooth is lost.

A landmark systematic review by Tan and colleagues found that extraction sites experienced approximately 29% to 63% horizontal bone loss and 11% to 22% vertical bone loss within six months after tooth extraction.¹ The authors also found that the majority of these changes occurred during the first three to six months of healing.¹

More recent systematic reviews and meta-analyses continue to support these findings and demonstrate that significant dimensional changes occur during the first year following tooth loss.³⁻⁵

What Happens If Bone Loss Continues?

Bone loss does not simply stop after the extraction site heals. Over time, continued remodeling can lead to several complications.

The jawbone may become narrower and shorter in the area of the missing tooth. Adjacent teeth may begin to shift into the empty space. Changes in bite alignment can occur, making future tooth replacement more complex.2-3

As more bone is lost, replacing the missing tooth can become more complicated. Patients who wait several years before seeking treatment may require bone grafting procedures before dental implants can be placed.²,³

In cases involving multiple missing teeth, ongoing bone loss can contribute to changes in facial appearance due to loss of support from the underlying jawbone.²

Does Every Missing Tooth Cause Bone Loss?

Generally speaking, yes.

Whether the missing tooth is a front tooth, premolar, or molar, some degree of bone remodeling occurs after extraction. The amount of bone loss can vary based on factors such as:

  • The location of the tooth
  • Existing periodontal disease
  • Presence of infection
  • Smoking status
  • Systemic health conditions
  • The amount of remaining bone
  • Whether ridge preservation procedures are performed²,³

Research consistently demonstrates that post-extraction bone loss is a common biologic response, although the amount varies among individuals.¹⁻³

Can Bone Loss Be Prevented?

Although some remodeling is inevitable, modern treatment techniques can significantly reduce the amount of bone loss that occurs after tooth extraction.

One common approach is socket preservation, also known as alveolar ridge preservation. During this procedure, bone grafting materials are placed into the extraction site to help maintain the width and height of the jawbone during healing.

Multiple systematic reviews have demonstrated that ridge preservation procedures result in significantly less bone loss compared with extraction alone and may improve future implant placement opportunities.²,⁶,⁷

Why Are Dental Implants Different?

Unlike traditional removable dentures, dental implants are placed directly into the jawbone. Because implants transmit chewing forces to the surrounding bone, they may help maintain bone volume and function in a way that more closely resembles a natural tooth.⁸

While implants cannot completely stop the normal aging process, evidence suggests they can help preserve residual alveolar bone when compared with leaving an extraction site untreated.⁸

This is one reason many oral surgeons recommend evaluating implant options sooner rather than later following tooth loss.

When Should You Consider Treatment?

The best time to discuss replacement options is often shortly after a tooth is removed or determined to be non-restorable.

Early planning may allow patients to preserve more bone, reduce the likelihood of needing advanced grafting procedures, and simplify future treatment.²,³,⁶

That does not mean patients who lost teeth years ago are out of options. Modern bone grafting and implant techniques can often rebuild areas that have experienced significant bone loss. However, treatment frequently becomes more complex as bone loss progresses.²,³

Protecting Your Long-Term Oral Health

Missing teeth affect more than your smile. They can trigger a series of changes within the jaw that may impact chewing function, appearance, and future treatment options.

At Jay Platt, DDS Oral Surgery and Dental Implant Center, we frequently evaluate patients considering dental implants, bone grafting, and other procedures to restore missing teeth. Understanding how bone loss occurs after tooth loss can help patients make informed decisions before significant changes occur.

If you have lost a tooth or are facing an extraction, discussing your replacement options early may help preserve bone and expand your treatment possibilities for years to come.

References

  1. Tan WL, Wong TL, Wong MCM, Lang NP. A systematic review of post-extractional alveolar hard and soft tissue dimensional changes in humans. Clin Oral Implants Res.2012;23(suppl 5):1-21. https://pubmed.ncbi.nlm.nih.gov/22211303/
  2. Atieh MA, Alsabeeha NHM, Payne AGT, Duncan WJ, Faggion CM Jr, Esposito M. Interventions for replacing missing teeth: alveolar ridge preservation techniques for dental implant site development. Cochrane Database Syst Rev.2015;(5):CD010176. https://pmc.ncbi.nlm.nih.gov/articles/PMC6464392/
  3. Salem CQ, Dehaini H, Le B. Alveolar ridge preservation: a review of concepts and controversies. J Clin Med.2023;12(16):5304. https://pmc.ncbi.nlm.nih.gov/articles/PMC10474543/
  4. Davda S, et al. Vertical and horizontal bone loss following alveolar socket preservation: a systematic review and meta-analysis. BDJ Open.https://www.nature.com/articles/s41405-025-00306-y
  5. Mahardawi B, et al. The clinical benefit of alveolar ridge preservation in the posterior maxilla. Clin Oral Investig.https://pmc.ncbi.nlm.nih.gov/articles/PMC12218323/
  6. Avila-Ortiz G, Elangovan S, Kramer KWO, Blanchette D, Dawson DV. Effect of alveolar ridge preservation after tooth extraction: a systematic review and meta-analysis. J Dent Res.2014;93(10):950-958. https://pmc.ncbi.nlm.nih.gov/articles/PMC4293706/
  7. Alavi SA, et al. Regenerative materials for alveolar ridge preservation after tooth extraction: systematic review and meta-analysis. J Oral Biol Craniofac Res.https://www.sciencedirect.com/science/article/pii/S2212440324003766
  8. Khalifa A, Wada M, Ikebe K, Maeda Y. To what extent can dental implants preserve the residual alveolar ridge? A systematic review. Int J Implant Dent.2016;2:22. https://www.researchgate.net/publication/310743325_To_what_extent_residual_alveolar_ridge_can_be_preserved_by_implant_A_systematic_review