I. Basic Information

Name: Mr. Hu

Gender: Male

Age: 72

Chief Complaint: Missing right maxillary teeth for many years; requesting restoration.

Past Medical History: Denies hypertension, cardiovascular disease, or diabetes; no significant family history; self‑reports no history of hepatitis or other infectious diseases.

Present Dental History: Previous implant placement in the left mandible; recently unable to chew on the right side; presented for consultation.

II. Clinical Examination

Specialised Examination: Teeth #15, #16, and #17 were missing; alveolar ridge was low and flat; no signs of maxillary sinusitis; poor overall oral hygiene.

Intraoral Photographs: Taken.

Pre‑operative CBCT: Performed.

III. Diagnosis and Treatment Plan

Diagnosis: Partial edentulism with severe bone defect.

Treatment Plan: Implant‑supported restoration.

Detailed Plan: External sinus floor elevation with bone grafting and simultaneous implant placement.

IV. Treatment Procedure

 Surgery Date: September 12, 2024, 4:00 PM.

External sinus floor elevation was performed in the right maxillary premolar and molar regions, with simultaneous placement of two Hanzu® implants.

Pre‑operative planning was completed.

Surgical procedure was carried out as planned.

Post‑operative CBCT was taken.

Sutures were removed at 1‑week follow‑up.

Second‑stage CBCT was taken.

Second‑stage follow‑up visit was completed.

Definitive restorations were delivered.

V. Case Summary

The Hanzu® implant system demonstrates outstanding performance, featuring a large‑thread design with excellent self‑tapping properties, making it highly suitable for immediate loading protocols.

VI. Clinician Profile

Name: Ma Chuan

Affiliation/Title: Chief Technical Director, Chimei Dental Clinic

Honours and Achievements: 8th place in a national case competition.