I. Basic Information

Name: Mr./Ms. Yin

Gender: Female

Age: 60

Chief Complaint: Discomfort and mobility of posterior teeth; requesting implant‑supported restoration.

Past Medical History: Generally healthy.

Present Dental History: Persistent buccal swelling and discharge in the right maxillary posterior region for years, with tooth mobility and inability to chew.

II. Clinical Examination

Apical periodontitis involving teeth #14 and #15.

Radiographic examination revealed a hyperdense shadow in the right maxillary sinus, with buccal bone plate resorption at #14 and #15.

III. Diagnosis and Treatment Plan

Diagnosis: Apical periodontitis of teeth #14 and #15.

Treatment Plan: Immediate extraction of #14 and #15, management of the maxillary sinus pathology, immediate bone defect reconstruction, and immediate implant placement.

Detailed Plan: Immediate placement of two Hanzhu® implants (size: 3.5 × 13 mm each).

IV. Treatment Procedure

Surgery Date: October 11, 2024.

Under local anaesthesia, teeth #14 and #15 were extracted. An extraoral (or intraoral) window approach was used to perform sinus debridement. Two Hanzhu® implants were placed, and immediate provisional restorations were delivered.

V. Case Summary

This case presented with severe inflammatory response at the implant sites and substantial bone defects, demanding high performance from the implants. The Hanzhu® implant system demonstrated strong osseointegration capacity, making it highly suitable for this immediate restoration scenario. Additionally, it offers excellent cost‑effectiveness.

VI. Clinician Profile

Name: Cai Lei

Affiliation/Title: Clinic Director

Honours and Achievements:

Graduated from North China University of Science and Technology (formerly Hebei United University) with a degree in Stomatology.

Over 10 years of dedicated clinical and research experience in dental implantology.

Successfully performed more than 1,000 implant surgeries.

Chairman of the Cangzhou Branch of the Beijing Dental Implant Alliance.

Member of the True Bone Reconstruction Association (affiliated with Heidelberg University, Germany).

Former Director of the Stomatology Department at the Southern Campus of Cangzhou Central Hospital.

Recipient of the Outstanding Case Award in Beijing Implantology, 2016.

Founder of Zhiya Dental Clinic.

Specialises in complex implant‑supported prostheses, simultaneous immediate extraction, implantation and provisionalisation, comprehensive aesthetic restorative dentistry, full‑arch implant rehabilitation for severe bone atrophy (All‑on‑4® technique), and soft‑ and hard‑tissue regeneration procedures.