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Sinus exposure, possibly leading to infection, [45] and oral-antral communication: This can occur when extracting upper molars (and in some patients, upper premolars). The maxillary sinus sits directly above the roots of maxillary molars and premolars. There is a bony floor of the sinus, dividing the tooth socket from the sinus itself.
Odontogenic sinusitis is a type of sinusitis (inflammation of the sinuses), specifically caused by dental infections or procedures. [1] Comprising approximately 10-12% of all chronic sinusitis cases, this condition primarily affects the maxillary sinus , which is in close proximity to the upper teeth .
An oroantral fistula (OAF) is an epithelialized oroantral communication (OAC), which refers to an abnormal connection between the oral cavity and the antrum. [1] The creation of an OAC is most commonly due to the extraction of a maxillary tooth (typically a maxillary first molar) which is closely related to the antral floor.
‘The risk of MRONJ after dental extraction was significantly higher in patients treated with ARD (antiresorptive drugs) for oncological reasons (3.2%) than in those treated with ARD for OP (osteoporosis) (0.15%) (p < 0.0001). Dental extraction performed with adjusted extraction protocols decreased MRONJ development significantly.
Sinus Lift Elevation prior to implant placement; Filling of bone after removing the root of a tooth, cystectomy or the removal of impacted teeth; Repairing bone defects surrounding a dental implant caused by peri-implantitis; Vertical and horizontal augmentation of the upper and lower jaws [12] Cystic cavity
The most common location of dry socket: in the socket of an extracted mandibular third molar (wisdom tooth). Since alveolar osteitis is not primarily an infection, there is not usually any pyrexia (fever) or cervical lymphadenitis (swollen glands in the neck), and only minimal edema (swelling) and erythema (redness) is present in the soft tissues surrounding the socket.
The entire lining of sinus is dissected and removed as the success of the operation in chronic rhinosinusitis. Packing of nasal cavity and sinus is sometime required. Suturing of buccal incision is recommended with absorbable suture material. The patient should be advised against overenthusiastic blowing of the nose for at least a week. [3]
Furthermore, the drainage orifice lies near the roof of the sinus, and so the maxillary sinus does not drain well, and infection develops more easily. The maxillary sinus may drain into the mouth via an abnormal opening, an oroantral fistula, a particular risk after tooth extraction.