I. Basic Information

Name: Mr. He

Gender: Male

Age: 71 years

Chief Complaint: Tooth loss.

Past Medical History: Previously healthy.

Present Dental History: Tooth loss affecting dietary intake.

II. Clinical Examination

Specialised Examination: Intraoral examination revealed that teeth #17, #15, #14, #22, and #23 exhibited Grade III mobility and were deemed non‑retainable.

Auxiliary Examination: Radiographic examination was performed.

III. Diagnosis and Treatment Plan

Diagnosis: Maxillary partial edentulism.

Treatment Plan: Maxillary implant‑supported restoration.

IV. Treatment Procedure

Surgical Phase (January 2025): Routine disinfection and draping were performed. After local anaesthesia, the remaining maxillary teeth were extracted. The bone was contoured, and 7 Hanzu® implants were placed (sizes: 4.5×18 mm, 4.5×13 mm, 4.0×13 mm, 4.0×13 mm, 4.5×13 mm, 5.0×8 mm, and 4.5×18 mm). The palatal flap was advanced and sutured to the labial side.

Follow‑up: Definitive restoration was completed 6 months later.

V. Case Summary

 The Hanzu® implant system exhibits strong osseointegration capacity, and the long implants are well suited for pterygoid placement.

VI. Clinician Profile

 Name: Song Youhong

 Affiliation/Title: Fangzheng Dental Clinic