Articles Vol. 64 No. 2 15/03/2023

18. RESULTS OF APICOECTOMY - CYSTECTOMY OF THE PERIAPICAL CYST IN MAXILLARY ANTERIOR WITH MTA REVERSE FILLING AND ALLOGRAFT BONE GRAFTING AT HO CHI MINH CITY ODONTO-STOMATOLOGY HOSPITAL AND CAN THO UNIVERSITY HOSPITAL OF MEDICINE AND PHARMACY

Lam Le Nguyen1,2, Loc Huynh Tan1,2
1 Can Tho University of Medicine and Pharmacy
2 Trường Đại học Y Dược Cần Thơ
Corresponding author: lenguyenlam@ctump.edu.vn
DOI: 10.52163/yhc.v64i2.620
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Abstract

Background: There are many applied and comparative studies of different materials in apical surgery
to treat periapical cysts. Mineral Trioxide Aggregate (MTA) is a highly biocompatible material that
creates an immediate apical barrier while stimulating healing. In particular, cystectomy using MTA in
retrograde filling and allogeneic bone grafting showed promising results, promoting tissue regeneration.
Objectives: To evaluate the results of anterior maxillary cystectomy with MTA retrograde filling
and allogeneic bone grafting after 1 week, 3 months, and 6 months.
Materials and methods: During the study period from May 2020 to February 2022, the number of
patients met the criteria for sampling and re-examination was 45 patients with 49 periapical cysts
related to 51 etiological teeth. Evaluation of the results of surgical treatment of periapical cysts over
time points: 1 week, 3 months, and 6 months after surgery. The degree of healing after apical surgery,
retrograde filling with MTA, and bone grafting were assessed on CBCT film.
Results: After 1 week of surgery, 81.6% of patients had good healing, no swelling, no pain, no
cases of infection, pus leak, or wound rupture; 14.3% of cases still had mild pain at the incision, 4%
of patients had bleeding. After 1 week of treatment, 82.2% of cases were classified as good, 17.8%
as average, and 0% as poor. After 3 months of surgery, clinically, 93.6% of patients healed well,
without pain, swelling, or pus leakage. However, there were 4.4% cases of mild numbness of the
lips..After 3 months, the overall treatment results were rated as good as 95.6%. After 6 months of
surgery, 100% of patients have good results surgery.
Conclusion: The study used the method of apicoectomy - cystectomy, with MTA reverse filling and
allogeneic bone graft to treat cases of periapical cysts at the position of anterior maxillary teeth with 45
patients with 49 inter-apical cysts. Concerning 51 teeth, the overall success rate after 6 months is 100%

Keywords
Apical cyst, apicoectomy, MTA filling, allogeneic bone.
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