How Are Dental Implants Put In? Full Procedure

Getting a dental implant involves a multi-stage surgical process that unfolds over several months, beginning with a thorough evaluation of your jawbone and ending with a custom-made artificial tooth attached to a titanium post that has fused with living bone. The procedure is not a single appointment but a carefully sequenced series of steps, and understanding each one removes much of the mystery and anxiety that surrounds it.

Evaluation and Candidacy

Before anything surgical happens, your dentist or oral surgeon needs to know whether your jaw can physically support an implant. The most important factor is bone density: how thick and solid the bone is at the spot where the implant will go. A retrospective study of 300 implants found that the ones that failed had dramatically lower bone density, lower insertion torque, and lower stability readings at placement compared to the ones that succeeded.

Age also plays a role. A separate analysis identified both older age and low bone density as significant risk factors for early implant failure.¹ That does not mean older adults cannot get implants; it means the surgical team will evaluate bone quality more carefully and may recommend preparatory procedures to improve the site first.

Your medical history matters too. Uncontrolled diabetes, heavy smoking, certain medications that affect bone metabolism, and active gum disease all need to be addressed before surgery. The evaluation typically includes a clinical exam, dental X-rays, and often a three-dimensional scan of your jaw.

Pre-Surgical Planning and 3D Imaging

Most implant procedures today involve cone-beam computed tomography, or CBCT, a type of 3D X-ray that gives your surgeon a detailed map of your jawbone, nerve locations, and sinus cavities. A systematic review found that virtual planning with CBCT data, combined with stereolithographic surgical guides and 3D-printed templates, consistently delivers more precise implant placement than traditional methods.²

Using this scan, the surgeon can digitally plan the exact angle, depth, and position of the implant before touching your mouth. In many cases, a physical surgical guide is printed from this digital plan. The guide snaps onto your teeth or gums during surgery and has holes drilled at the planned angles, acting like a stencil that keeps the drill on course.

When Bone Grafting Is Needed

If the scan reveals that your jawbone is too thin, too short, or too soft to hold an implant securely, you may need a bone graft before or during implant placement. This is especially common if you lost a tooth long ago, since the bone that once surrounded it tends to shrink over time.

Guided bone regeneration is the most common grafting approach for implant patients. It uses bone graft material combined with a barrier membrane to rebuild small defects around dental implants, and it is typically deployed when the bone gap is 2 millimeters or larger.³ There are two timing strategies: the graft can be placed at the same time as the implant (a simultaneous approach), or it can be done months beforehand to build up the ridge before the implant is even considered (a staged approach).⁴

The graft material itself comes in several forms. Bone harvested from your own body remains the gold standard, but it requires a second surgical site and has limited availability. Alternatives include donor bone from a tissue bank, animal-derived bone (which has a similar mineral makeup to human bone), and synthetic ceramics like hydroxyapatite.⁵ For small defects, the synthetic options work well. For larger ones, mixing with your own bone is generally recommended.

Sinus Lifts for Upper Jaw Implants

If you need an implant in the upper back jaw, a special complication arises: the maxillary sinus sits just above that area, and there may not be enough bone between the sinus floor and the crest of your jaw. A sinus lift raises the sinus membrane and packs bone graft material underneath it to create a thicker platform.

There are two main approaches. The lateral approach involves cutting a small window in the side of the jawbone to access the sinus. The crestal approach goes through the same hole being drilled for the implant. A study comparing the two found no significant differences in bone gain, implant success rate, or complication rates, though the crestal approach had advantages in operative time and wound healing.⁶ Your surgeon will choose based on how much bone height you currently have and how much needs to be added.

Anesthesia and Sedation Options

Implant surgery is almost always done under local anesthesia, meaning you are awake but the surgical area is completely numb. The most common agents are articaine or lidocaine, combined with a small amount of adrenaline to keep the anesthetic localized. For patients with cardiovascular concerns, long-acting local anesthetics and ultrasound-guided nerve blocks are being explored as alternatives that avoid adrenaline.⁷

If you have significant dental anxiety, sedation can be layered on top of the local anesthesia. Midazolam and propofol are common choices, though newer agents like dexmedetomidine are gaining attention because they cause less respiratory depression while providing both sedation and some pain relief.⁸ General anesthesia is rarely necessary for a standard single-implant case but may be used for extensive full-arch surgery.

The Surgery Itself

Once you are numb and comfortable, the actual implant placement follows a sequence that typically takes 30 to 90 minutes per implant, depending on complexity.

First, the surgeon makes an incision in the gum tissue to expose the underlying bone. In some cases, especially with surgical guides, a flapless technique is used where a small circular punch removes a plug of gum tissue without a larger incision.

Next comes the osteotomy: drilling the hole in the bone that the implant will sit in. This is done with a series of drills of increasing diameter, starting narrow and gradually widening to match the implant’s dimensions. Temperature control during drilling is critical. If the bone overheats, the surrounding cells die and the implant will not integrate properly. Surgeons use copious irrigation with sterile saline to keep temperatures safe.⁹ Drill geometry also matters. Research on different drill designs found that the angle and shape of the cutting flutes significantly affect how much heat is generated during preparation.¹⁰

Once the hole is prepared, the implant itself, a small screw-shaped post usually made of titanium or a titanium alloy, is threaded into the bone. The surgeon monitors the insertion torque as the implant goes in. Higher torque generally indicates better initial grip, which is called primary stability. Studies have found a moderately positive correlation between insertion torque and initial stability measurements, though the relationship weakens over the following weeks as biological healing takes over from mechanical grip.¹¹ Interestingly, in softer bone, one study found a weak inverse relationship, suggesting that very high torque in soft bone can sometimes compress and damage the surrounding tissue rather than improve grip.¹²

After the implant is seated, a small cover screw or healing abutment is placed on top. The gum tissue is then sutured closed over or around the implant. In the conventional protocol, the implant is buried completely beneath the gum for several months while it heals.

Guided Surgery Options

Implant placement can be done freehand, with a static surgical guide, or with dynamic navigation. In freehand placement, the surgeon relies on experience and the preoperative plan. Static guides are the 3D-printed stencils described earlier. Dynamic navigation is a newer technology that tracks the drill’s position in real time on a screen, much like a GPS system, and overlays it onto the patient’s 3D scan.¹³

A systematic review and meta-analysis comparing these approaches found that both dynamic navigation and static guides significantly outperform freehand placement in terms of deviation from the planned position. There was no significant difference in accuracy between dynamic navigation and static guides overall.¹⁴ However, dynamic navigation showed a slight edge in molar areas, and its accuracy was not affected by the surgeon’s experience level, which is a notable advantage for less experienced operators.¹⁵

Osseointegration and the Healing Period

After the implant is placed, the most important phase is invisible: osseointegration, the process by which living bone grows directly onto and locks around the implant surface. This follows a predictable biological pattern. New bone can appear on the implant surface within about a week, but true remodeling, where the initial bone matures into strong, organized tissue, begins at around six to twelve weeks and continues throughout your life.¹⁶

Modern implant surfaces are designed to speed this up. Sandblasting followed by acid-etching creates a microscopically rough texture that bone cells grip onto more readily. Chemical modifications that make the surface more water-attracting further accelerate healing. These surface innovations have shortened the waiting period from the traditional six months to as little as six to eight weeks in many cases.

Immediate Versus Delayed Placement

Traditionally, after a tooth is extracted, you wait several months for the socket to heal before placing an implant. Immediate placement, where the implant goes in right after the tooth comes out, has become increasingly popular because it reduces the total treatment time and number of surgeries.

A meta-analysis comparing the two approaches found no significant difference in survival rates overall. However, the data showed that immediate placement had a slightly higher failure rate in some studies, with survival rates in the 90 to 95 percent range, compared to over 95 percent for delayed placement.¹⁷ Your surgeon will consider the condition of the extraction socket, whether there is active infection, and how much bone surrounds the site when deciding which approach is best for you.

Uncovering, Abutments, and Impressions

Once osseointegration is confirmed, usually through clinical testing and X-rays, the implant is uncovered if it was buried beneath the gum. A small second procedure exposes the top of the implant, and a healing abutment is placed to shape the gum tissue into a natural contour around the eventual tooth. This typically takes two to four weeks.

The choice of abutment matters for long-term bone preservation. A clinical trial found that placing the final abutment right at the uncovering stage, rather than swapping through a temporary healing abutment first, resulted in roughly 20 percent less bone loss around the implant over a year.¹⁸ This “one-abutment, one-time” philosophy is gaining traction because repeatedly removing and replacing abutments can disrupt the seal between gum tissue and the implant.

Next, an impression of the implant’s position is taken so that the dental lab can fabricate the crown. This is increasingly done with intraoral digital scanners rather than the traditional putty-and-tray method. A meta-analysis found that digital and conventional impression accuracy were comparable overall, though digital scanning showed a slight advantage in fully edentulous cases while conventional methods were slightly more accurate in partially edentulous situations.¹⁹ Clinical follow-up studies generally confirm that digital impressions work well in practice.²⁰

The Final Crown

The last piece is the prosthetic crown, the visible tooth. It can be attached to the abutment in one of two ways: screwed on or cemented. A systematic review found no substantial overall difference in outcomes between screw-retained and cement-retained restorations, but the types of problems they develop differ. Screw-retained crowns are more prone to technical complications like screw loosening, while cement-retained crowns are more prone to biological complications like inflammation caused by residual cement irritating the gums.²¹

Screw-retained crowns have an advantage in retrievability: if something goes wrong, the screw can simply be backed out and the crown removed for repair. Cement-retained crowns are sometimes preferred for their aesthetics, since there is no screw-access hole on the chewing surface. The decision often comes down to the implant’s position and the clinical situation.

Recovery and Pain Management

Most patients describe the discomfort after implant surgery as moderate and manageable, roughly comparable to having a tooth extracted. Pain tends to peak in the first day or two and then drops off. A systematic review found that pain management is most critical during the first 72 hours after placement.²²

Taking ibuprofen before surgery (a strategy called preemptive analgesia) has been shown in a randomized controlled trial to significantly reduce postoperative pain scores and decrease the need for additional painkillers afterward.²³ Swelling, minor bruising, and some bleeding at the site are normal. Most people return to work within a day or two, though you will likely be on a soft-food diet for a week or so.

Peri-Implant Complications to Watch For

The two main complications after an implant is in place are peri-implant mucositis and peri-implantitis. Mucositis is inflammation of the gum tissue around the implant without bone loss, identifiable by redness, swelling, and bleeding when probed. It is the implant equivalent of gingivitis and is reversible with improved hygiene and professional cleaning.²⁴

Peri-implantitis is more serious. It involves the same inflammatory signs plus progressive bone loss around the implant, deeper probing depths, and radiographic evidence of deterioration. If bone loss reaches 3 millimeters or more below the expected level, combined with deep probing and bleeding, peri-implantitis is the likely diagnosis.²⁵ Treatment ranges from non-surgical debridement to surgical flap procedures and bone grafting. The best defense is rigorous home care and regular professional maintenance visits.

Long-Term Survival Rates

Dental implants have strong long-term track records. A systematic review of studies with at least 10 years of follow-up reported a cumulative mean survival rate of about 95 percent, with average marginal bone loss of only 1.3 millimeters over that period.²⁶ Even at the 20-year mark, a more recent meta-analysis found survival rates of roughly 78 to 92 percent in prospective studies, depending on how conservatively missing data was handled, and about 88 percent in retrospective analyses. Failure causes were multifactorial rather than attributable to a single issue.²⁷

Those numbers mean that the vast majority of implants placed today will last well over a decade, and many will last a lifetime. Crowns and other prosthetic components wear out faster and may need replacement every 10 to 15 years, but the implant post itself typically endures.

Full-Arch Protocols

For patients who are missing all or most of their teeth, the All-on-Four concept allows an entire arch of teeth to be supported by just four implants. The two rear implants are placed at an angle, which avoids the need for bone grafting in the back of the jaw and lets the prosthesis be loaded the same day. A biomechanical analysis found that immediate loading increased compressive strain on the bone by roughly 25 to 39 percent compared to delayed loading, but the absolute micromotion at the bone-implant interface remained very small, in the range of 7.5 to 14.4 micrometers, well within the threshold considered safe for healing.²⁸

This approach lets patients walk out of surgery with a full set of fixed temporary teeth, which are replaced with a final prosthesis after osseointegration is complete. It has been a game-changer for people who have struggled with dentures, though the upfront cost is substantial and the surgery is more involved than single-implant placement.

Zirconia as an Alternative to Titanium

Titanium has been the dominant implant material for decades, but zirconia (a type of ceramic) is growing as an alternative, particularly for patients who prefer a metal-free option or have thin gum tissue where a dark titanium post might show through. A systematic review and meta-analysis found that zirconia implants scored higher on pink aesthetic scores, meaning the surrounding gum tissue looked healthier and more natural.²⁹ Zirconia implants are typically one-piece designs, which eliminates the micro-gap between implant and abutment that can harbor bacteria in two-piece titanium systems. The tradeoff is less flexibility in positioning and fewer long-term studies backing their durability.