Full-Mouth Restoration with All-on-4 & All-on-6 Implants

Clinical Cases: Dr. Ling Xiongjian
Chinese Registered Physician Practice Certificate No. 120510107000972

A Case Study at Chengdu Anyu Dental Implant Hospital

Before and After Cases

  • Consent for the use of patient information has been obtained
  • Note: All clinical case photos displayed here are 100% genuine and unretouched.

Case Breakdown

Pre-Treatment (Frontal View)

Initial clinical presentation showing severe terminal tooth mobility, advanced chronic periodontitis, and compromised occlusal alignment resulting from long-term smoking.

Post-Treatment (Frontal View)

Immediate post-surgical result showing full-arch occlusal restoration with a fixed provisional bridge attached on the same day as implant surgery.

Pre-Treatment (Lateral View)

Profile perspective highlighting significant bone loss, severe bite collapse, and tooth drift caused by severe periodontal disease.

Post-Treatment (Lateral View)

Profile view displaying restored vertical dimension of occlusion, optimized facial aesthetics, and immediate structural stability.

Treatment Process

Case Overview

This full-mouth restoration addresses severe tooth loss, advanced chronic periodontitis, and compromised occlusal function—all sequelae of long-term smoking and progressive periodontal disease. To avoid invasive bone grafting, implants were placed at strategic angles to maximize engagement with the available native alveolar bone.

The procedure followed a maxillary All-on-6 and mandibular All-on-4 protocol. This approach successfully restored masticatory function, structural stability, and facial aesthetics over two distinct clinical phases (surgery and final restoration).

Patient Background & Clinical Diagnosis

  • Patient Profile: Long-term history of tobacco use; presented with generalized tooth mobility in the terminal dentition and severe occlusal disharmony.
  • Prior Treatments: Multiple rounds of periodontal therapy and removable partial dentures failed to halt bone loss or provide long-term stability.
  • Diagnosis: Advanced chronic periodontitis leading to severe partial edentulism and an unstable bite.

Surgical Protocol & Clinical Outcome

  • Surgical Approach: Maxillary All-on-6 and mandibular All-on-4 immediate-placement protocol.
  • Graftless Strategy: Posterior implants were angled to maximize contact with dense native bone, avoiding the need for sinus lifts or extensive bone grafting.
  • Clinical Outcome: Significant restoration of occlusal function and bite force, accompanied by immediate structural stability and the resolution of denture-related discomfort.

FAQs

What is the main advantage of the All-on-4 / All-on-6 technique?

It restores a full arch of functional teeth with only 4 to 6 strategically placed implants. By tilting the posterior implants, clinicians optimize the use of existing native bone, often eliminating the need for bone grafting in suitable candidates.

Can heavy smokers get full-mouth dental implants?

Yes, but smoking is a significant risk factor that can impair osseointegration and long-term implant survival. However, with rigorous surgical planning, strict perioperative protocols, and excellent home care, smokers can still be suitable candidates.

How do All-on-4 implants differ from traditional removable dentures?

All-on-4 provides a fixed, non-removable bridge anchored directly to the jawbone. It eliminates slippage, sore spots, and speech interference while significantly improving chewing capacity and comfort.

Is bone grafting ever necessary for full-mouth implants with bone loss?

Not always. The All-on-4 protocol specifically uses angled implants to engage dense native bone. However, for patients with severe bone atrophy where native support is insufficient, localized bone grafting may still be required.

Can temporary teeth be attached on the day of surgery?

Yes. Candidates who achieve sufficient primary implant stability during surgery can receive a provisional fixed bridge on the same day.

What is the typical healing timeline for full-mouth implants?

Osseointegration—the process where titanium implants fuse with the jawbone—typically takes 3 to 6 months. During this period, patients wear a provisional fixed bridge and attend regular follow-up visits before their final prosthetic restoration is placed.

How long do full-mouth dental implants last?

Implanted restorations can function for decades and, in many cases, for life, provided that consistent professional care and good oral hygiene are upheld.

Meet the Attending Dentist

Dr. Ling Xiongjian 凌雄健

Associate Chief Physician & Director of the Edentulous Center

Director of the Edentulous Center at Chengdu Anyu Dental Implant Hospital (成都安玉牙种植医院)
Chinese Registered Physician Practice Certificate No. 120510107000972

Professional Affiliations & Certifications:

  • Director of the Edentulous Center, Chengdu Anyu Dental Implant Hospital
  • GLDE Certified Dental Implantologist
  • Visiting Scholar, Loma Linda University School of Dentistry, California, USA
  • Member, Oral Implantology Professional Committee, Chinese Stomatological Association
  • Member, Dental Emergency Professional Committee, Chinese Stomatological Association
  • Committee Member, Oral Implantology Professional Committee, Sichuan Stomatological Association

Clinical Expertise:

As Director of the Edentulous Center at Chengdu Anyu Dental Implant Hospital, Dr. Ling Xiongjian specializes in complex full-mouth implant rehabilitations and advanced edentulous restorations. With extensive clinical experience and international training as a Visiting Scholar at Loma Linda University, USA, he possesses deep expertise in graftless implant techniques, All-on-4 / All-on-6 protocols, immediate loading, and complex surgical reconstructions for edentulous patients.

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