Article: Volume 47 Number 6 Page 500 - June 2020

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  Dent Update 2020; 47: 500-509

Oral and Maxillofacial Surgery:  The Maxillary Sinus: What the General Dental Team Need to Know Part 3: Maxillary Sinus Disease of Endodontic Origin

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Abstract: This paper, part 3 of the series, discusses the variation in maxillary sinus mucosal thickening when seen on radiographic images and the relation to disease. The role of apical periodontitis in disease of the maxillary sinus and its lining, the stages of endodontic treatment at which problems can arise and how these can be prevented, are considered. Complications involving extruded endodontic materials will also be discussed.

Clinical relevance: Apical periodontitis may very occasionally contribute to maxillary sinus infection, when the roots of teeth lie in close relation to the sinus. Apical displacement of infection, irrigants or materials during endodontic treatment may contribute to inflammation and infection and should be avoided.

Author notes: James C Darcey, BDS, MSc, MDPH MFGDP, MEndo FDS(Rest Dent), Consultant and Honorary Lecturer in Restorative Dentistry and Specialist in Endodontics, University Dental Hospital of Manchester, Manchester, M15 6FH, Garmon W Bell, BDS, MSc, FDC RCS FFD RCSI(OS), Associate Specialist Oral and Maxillofacial Surgery, Dumfries & Galloway Royal Infirmary, Dumfries, DG3 8RX, Iain MacLeod, BDS, PhD, FDS RCS FRCR DDRRCR FHEA, Consultant and Senior Lecturer in Dental and Maxillofacial Radiology and Specialist in Oral Medicine, School of Dental Sciences, Newcastle University, Newcastle upon Tyne, NE2 4BW and Colin Campbell, BDS, FDS RCS, Specialist in Oral Surgery with sub-specialty interest in Implantology, The Campbell Clinic, Nottingham, NG2 7JS, UK.

Objective: To recognize that not all thickening of the maxillary sinus lining is related to odontogenic disease and to ensure that endodontic technique does not contribute to inflammation and infection of the maxillary sinus.

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