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Case Presentation

Maxillary sinus window debridement+immediate implantation and repair with bone increment

Date:2026-05-18

One、Basic information

1.Name: Yin

2.Gender: Female

3.Age: 60

4.Chief complaint: Loose and uncomfortable posterior teeth, requiring implant repair.

5.Medical history: physically fit.

6.Present medical history: Long term swelling, discharge, looseness, and inability to chew on the outer side of the right upper posterior tooth



Two、clinical examination

1.14,15 periapical periodontitis.

2.Imaging examination shows high-density shadows in the right maxillary sinus, with bone plate resorption on the buccal side at 14 and 15 degrees.


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Three、Diagnosis and treatment plan

1.Diagnosis: 14,15 periapical periodontitis.

2.Treatment plan: Immediate extraction of teeth to treat maxillary sinus problems, immediate repair of bone defects, and immediate implantation.

3.Treatment plan: Immediate implantation (Hanzu implant 3.5 * 13MM * 2 implants)



Four、The treatment process

Surgical time: On October 11, 2024, under local anesthesia, 14 and 15 external fenestrations were removed for debridement, and Han cast implants were implanted for immediate repair.


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Five、Case Summary

This case has severe inflammatory reactions at the implantation site, with large bone defects and high requirements for the implant. The Han cast implant has strong osseointegration ability and is very suitable for this immediate repair case, with a high cost-effectiveness.



Six、Doctor's Profile

1、Name: Cai Lei

2、Unit/Position: Outpatient Director

3、Honorary achievements:

Graduated from the Department of Stomatology at North China University of Science and Technology.

Focused on researching the field of oral implantology for over ten years.

More than a thousand successful implant surgeries have been performed by the Chairman of the Beijing Dental Implant Alliance stationed in Cangzhou.

Member of the Association of True Bone Reconstructors at Heidelberg University in Germany.

Formerly served as the director of the Department of Stomatology in the South Campus of Cangzhou Central Hospital.

Winner of the 2016 Beijing Planting Case Excellence Award.

The founder of Zhiya Dental Medical specializes in complex dental implants, and can perform immediate tooth extraction, implantation, and wearing during the same period.

Comprehensive aesthetic restoration of oral cavity.

Severe bone atrophy with full mouth implant reconstruction using ALL-ON-4 implantation.

Oral soft and hard tissue regeneration surgery.