Bone Implant Surgery Explained: Procedure, Benefits, and More — Cost, Top Hospitals & Success Rates | MyMedicPlus

Bone implant surgery involves the placement of biocompatible implant materials into or around bony structures to restore skeletal form, function, or contour. In the context of cosmetic and reconstructive surgery, bone implants serve two main purposes: augmentation of skeletal framework (as in facial implants for chin, cheek, or jaw augmentation) using solid alloplastic materials, and orthopedic reconstruction using metallic, ceramic, or composite implants to replace articular surfaces, stabilise fractures, or reconstruct skeletal defects. Dental implants — titanium posts osseointegrated into the jawbone to anchor prosthetic teeth — represent the most widespread clinical application of bone implantology.

Facial bone augmentation implants are made from solid silicone, porous polyethylene (Medpor), or custom-manufactured implants produced from CT scan data using computer-aided design and manufacturing (CAD/CAM). They are placed via small incisions concealed in natural creases or within the mouth, positioned directly on the periosteum (the membrane covering the bone), and may be fixed with titanium screws. Common facial bone implant sites include the chin (mentoplasty or genioplasty), cheekbones (malar augmentation), mandibular body and angle (jaw definition), and the paranasal area.

Dental implants involve the surgical placement of a titanium post into the alveolar bone of the jaw under local anaesthesia, followed by a healing period of 3-6 months during which osseointegration — the direct structural bonding of titanium to living bone — occurs. A ceramic crown is then attached to the implant via an abutment, creating a fully functional and aesthetically natural tooth replacement. Implant success rates exceed 95% at 10 years in healthy patients without systemic bone disease.

Orthopedic bone implants for fracture fixation (plates, screws, intramedullary nails) and joint replacement (total hip, knee, shoulder arthroplasty) are described under their respective orthopaedic surgery sections. This page focuses primarily on the cosmetic and reconstructive facial and dental bone implant context.

Facial bone implants address skeletal deficiency — insufficient bone volume in the chin, cheeks, jaw angle, or paranasal area that creates a weak, undefined, or asymmetric facial appearance not correctable by soft tissue procedures alone. Chin augmentation implants address microgenia (a small chin) that creates an unbalanced facial profile — an excessively prominent nose, for example, may be more proportionate after chin augmentation than after rhinoplasty alone. Malar implants address midface hypoplasia, creating more defined cheekbone prominence. Mandibular angle implants create jawline definition in patients with a naturally soft or poorly defined jaw angle.

Dental implants are the treatment of choice for replacing one or more missing teeth — whether lost due to trauma, decay, periodontal disease, or congenital absence. They are superior to removable dentures in function, comfort, and aesthetics, and unlike dental bridges, do not require reduction of adjacent healthy teeth. Custom craniofacial implants reconstruct skull defects after craniectomy, tumour resection, or trauma, restoring cranial contour and protection of the brain. Bone-anchored hearing aids (BAHA) use titanium osseointegrated implants in the skull bone to transmit sound vibrations directly to the cochlea, bypassing the outer and middle ear in patients with conductive hearing loss.

Candidates for facial bone augmentation implants are adults (skeletal growth should be complete — typically by age 18-21) with specific skeletal deficiencies and realistic, well-defined aesthetic goals. Good skin quality and adequate soft tissue coverage of the implant site are required. The patient must be in good general health without infection. For dental implants, candidates require adequate alveolar bone height and density; patients with bone loss from periodontal disease or prolonged tooth absence may need bone grafting before implant placement. Non-smokers have significantly better implant survival rates.

Contraindications include active bone or soft tissue infection at the implant site, uncontrolled diabetes (which impairs osseointegration and wound healing), uncontrolled autoimmune diseases, bisphosphonate therapy for osteoporosis or bone metastases (which dramatically increases risk of medication-related osteonecrosis of the jaw with dental implants), radiotherapy to the jaw within 12 months, and coagulopathy. Paediatric patients should not receive bone implants until skeletal maturity. Immunosuppressed patients (organ transplant, HIV) have higher infection and implant failure rates and require specialist assessment.

For facial bone augmentation, solid silicone implants are the most widely used material for chin, cheek, and jaw implants — they are biocompatible, do not adhere to surrounding tissue (allowing removal if needed), available in a range of sizes and shapes, and have a long track record. Porous polyethylene (Medpor) integrates with soft tissue and is fixed with titanium screws, providing more stable fixation; it cannot be easily removed. Custom implants are manufactured from medical-grade silicone, PEEK (polyetheretherketone), or titanium using patient-specific CT data, offering the most precise fit for complex facial asymmetry or post-traumatic reconstruction.

Dental implant systems differ in implant geometry (tapered vs cylindrical), surface treatment (sandblasted and acid-etched for enhanced osseointegration), connection type (internal hex, external hex, conical connection), and loading protocol (immediate loading with temporary crown on the day of surgery vs delayed loading after 3-6 months osseointegration). Immediate implant placement (at time of tooth extraction) and immediate loading (provisional crown fitted within 24 hours) are used in appropriate cases to reduce treatment time and avoid temporary dentures. All-on-4 and All-on-6 protocols place 4-6 implants per arch to support a full fixed prosthetic dental bridge, offering full-arch restoration for edentulous patients in a single surgical session.

Facial bone augmentation implants provide permanent, predictable skeletal enhancement that fundamentally changes the facial profile and proportions. Unlike soft tissue fillers, which require repeated treatments and may shift or resorb, alloplastic facial implants maintain their shape and position permanently. A 2019 systematic review in Aesthetics, Plastic and Reconstructive Surgery reported 94% long-term satisfaction rates for chin implants at five years. Malar and jaw implants similarly produce high satisfaction rates when patient selection and implant sizing are appropriate.

Dental implants have excellent long-term outcomes: a 2019 systematic review in the International Journal of Oral and Maxillofacial Implants reported cumulative survival rates of 96.4% at 10 years. They preserve adjacent bone (tooth loss leads to bone resorption which dental implants prevent), function like natural teeth without restriction on diet, do not require removal or adhesive like dentures, and are aesthetically superior to all other tooth replacement options. Patients with All-on-4 full arch implant restorations consistently report dramatic improvements in chewing function, speech, and quality of life compared to complete dentures.

Facial bone augmentation implants carry risks of infection (1-5% — managed with perioperative antibiotics and implant removal if persistent), haematoma formation, nerve injury causing temporary or permanent altered sensation (most commonly the mental nerve for chin implants, causing chin and lower lip numbness — typically resolves), implant migration or malposition, bone erosion from chronic pressure of the implant (resorption seen more commonly with smooth silicone implants and pressure from movement), implant palpability through thinning overlying tissue, and the need for revision surgery (5-10% of cases).

Dental implant complications include implant failure (2-5% failure to osseointegrate, most commonly in smokers, diabetics, and patients with poor bone quality), peri-implantitis (bacterial infection around the implant with bone loss — analogous to periodontitis, occurring in 10-20% of implants at 10 years if oral hygiene is poor), nerve damage during implant placement causing altered lip or chin sensation (most commonly due to proximity to the inferior alveolar nerve — avoided by careful planning with 3D CT imaging), and sinus perforation in the upper jaw. Implant fracture is uncommon with modern implant designs. All facial and dental implant procedures require general infection screening, smoking cessation counselling, and meticulous post-operative hygiene protocols.

Recovery from facial bone implant surgery depends on the site and approach. Chin implants placed via an intraoral or submental incision typically cause swelling and bruising that peaks at 48-72 hours and largely resolves within two weeks; patients return to desk work in 5-7 days and to normal activity in 2-3 weeks. A soft food diet is maintained for one to two weeks. Strenuous exercise is avoided for three to four weeks. Cheek and jaw implants may cause more prolonged swelling lasting 4-6 weeks, with final aesthetic results visible at 3 months.

For dental implants, the placement appointment is outpatient under local anaesthesia; most patients return to normal activities the following day, eating soft foods for 1-2 weeks. The osseointegration period of 3-6 months requires the patient to avoid biting hard foods on the implant site with a healing cap in place. After final crown placement, the implant requires the same oral hygiene as natural teeth — twice-daily brushing, interdental brushing, and 6-monthly professional cleaning. Annual dental implant radiographic review monitors bone levels around the implant. Peri-implantitis prevention through meticulous oral hygiene is the most important long-term maintenance measure.

Facial bone implants in the USA cost USD 5,000-10,000 per site (chin or cheek), including surgeon, anaesthesia, and facility fees. Custom craniofacial implants from CT data cost USD 15,000-30,000 due to manufacturing costs. In the UK, chin implants cost GBP 3,500-6,000 privately. Dental implants in the USA cost USD 3,000-5,000 per tooth (implant, abutment, and crown); full-mouth All-on-4 treatment costs USD 20,000-35,000 per arch. UK private dental implants cost GBP 2,000-3,000 per tooth.

Dental implant tourism is one of the most popular forms of dental medical tourism globally, with thousands of patients from the UK, USA, and Australia travelling to Hungary, Poland, Turkey, Mexico, and India for implant placement at 40-70% lower cost. In Hungary and Poland, a single dental implant with crown costs USD 700-1,200; All-on-4 per arch USD 5,000-9,000 — compared to USD 20,000-35,000 in the USA. Quality at JCI-accredited dental hospitals and certified dental clinics in these countries is generally excellent, with European-trained dentists using major implant system brands (Straumann, Nobel Biocare, Osstem). Turkey and India offer facial bone implant surgery at 50-60% less than US prices at accredited plastic surgery centres.

For facial skeletal augmentation, non-surgical alternatives using hyaluronic acid fillers or calcium hydroxyapatite (Radiesse) can augment the chin, cheeks, and jaw angle without surgery — results last 12-18 months and are fully reversible with hyaluronidase enzyme. While less definitive than implants, filler augmentation is a valuable option for patients seeking temporary enhancement or wanting to preview the aesthetic result before committing to surgery. Fat grafting provides a natural, long-lasting alternative to alloplastic implants for facial volume restoration.

For dental replacement, alternatives to dental implants include dental bridges (fixed replacement supported by adjacent teeth, requiring their preparation), removable partial dentures (less stable, less comfortable), and complete dentures for edentulous patients. These are less ideal than implants for most patients but remain the only options for those not meeting implant candidacy criteria (insufficient bone, bisphosphonate therapy, uncontrolled diabetes). Sliding genioplasty — surgical repositioning of the chin bone itself using an osteotomy — is the alternative to chin implants when large movements are required or implant materials are contraindicated, offering a permanent result using the patient's own bone.