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Incidence and Clinical Manifestations of Delayed Subperiosteal Abscess Following Mandibular Third Molar Surgery: A Short-Term follow up Study
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Zahra Hasehmi1   , Mohammad Mahdizade2 , Mohammad Aghaali2 |
1- Qom Medical Sciences Faculty , zahrahashemi3393@gmail.com
2- Qom Medical Sciences Faculty |
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Abstract: (9 Views) |
Background and purpose: One of the complications of mandibular impacted and semi-impacted third molar surgery, is subperiosteal abscess (SPA) that few studies have been conducted, The current study was conducted with the aim of investigating the incidence and clinical features of these abscesses.
Materials and methods: This observational study was conducted in 1400-1401 on 100 patients who referred for treatment as per the usual procedure and underwent surgery for impacted and semi-impacted mandibular wisdom teeth by a maxillofacial surgeon in the Maxillofacial Surgery Department of Qom Dental School or in the private sector, in a standard and routine manner. Data were collected using a checklist and analyzed using the software version 22 and SPSS statistical software, and descriptive statistics including percentage and frequency were used to report the results; also, in order to investigate the relationship between the incidence of subperiosteal abscess after surgery on impacted and semi-impacted third molars of the mandible and the severity of impaction and orientation of the third molar, the age and gender of the patients, Fisher's exact test and chi-square statistical tests were used.
Results: The study was conducted on 100 patients with an average age of 26.27 years. 70% of the subjects were female, and 30% were male. 21% of teeth in class I position, 76% in class II and 3% in class III. 2% of teeth were level A, 72% level B and 26% level C. The incidence rate of this complication was 4%, which was observed in molar teeth in level C P&G (P<0/05). 2% of abscesses were observed in teeth with class II and another 2% in teeth with class III P&G Classification (P<0/05). Statistically significant relationship between age, gender and orientation the third molar and the incidence of abscesses were not observed(P>0/05).
Conclusion: Subperiosteal abscess is a complication with a prevalence of 4% that can occur with clinical manifestations such as pain, swelling of up to two teeth adjacent to the third molar, two weeks or more after surgery. The position of the lower third molar relative to the ramus and the depth of bone impaction are risk factors for this complication. It is hoped that this study will provide a basis for relevant individuals to conduct more comprehensive research on this important issue.
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| Keywords: impacted and semi-impacted third molar, subperiosteal abscess (SPA), Delayed onset infections, Mandibular third molar surgery |
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Type of Study: Research |
Subject:
Dentistry
Received: 2023/11/15 | Accepted: 2025/08/18 | Published: 2025/08/26
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