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Medicine (Baltimore). 2018 Apr;97(17):e0608. doi: 10.1097/MD.0000000000010608.

Endoscopically controlled flapless transcrestal sinus floor elevation with platelet-rich fibrin followed by simultaneous dental implant placement: A case report and literature review.

Author information

1
Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun.
2
School of Stomatology, Lanzhou University, Lanzhou, China.

Abstract

RATIONALE:

In this case study, a modified transcrestal approach was applied to the patient of extremely atrophic posterior maxilla. We analysis the Implant Stability Quotient values (ISQ) to monitor implant stability, and the cone-beam computer tomography (CBCT) to evaluate the bone regeneration.

PATIENT CONCERN:

A 26-year-old female patient visited our hospital with no contraindications for dental implants and a loss of the maxillary right first molar.

DIAGNOSE:

Examination by CBCT demonstrated the posterior maxilla was extremely atrophic, the residual bone height (RBH) of #16 was 3.5 mm.

INTERVENTION:

Patient underwent a endoscopically controlled flapless sinus floor elevation. The maxillary sinus membrane was elevated by two-step, and an implant of 12 mm length was placed simultaneously.

OUTCOMES:

Twelve weeks post-surgery, the implant-level impression was finished and a full-ceramic crown was placed thereafter.

LESSONS:

The modified transcrestal approach can be applied to augment maxillary sinus with a residual bone height less than 4 mm.

PMID:
29703061
PMCID:
PMC5944550
DOI:
10.1097/MD.0000000000010608
[Indexed for MEDLINE]
Free PMC Article

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