Abstract
Concrescence is defined as the fusion of teeth by only cementum. Concrescence of three impacted permanent molars is extremely rare. A 40-year-old man with pain in the right cheek and trismus was introduced to our hospital. In the right side of the maxilla was a partially impacted first molar surrounded by red swelling. Radiographic examination and CT scanning showed completely impacted second and third molars distal to the first molar. The molars adhered to each other and were oriented like a flight of stairs.With the patient under general anesthesia, the teeth were extracted. First, an attempt was made to remove the first molar, but it could not be extracted. With more force, it was extracted with a click. After elevating the first molar, the second and third molars were extracted en bloc. The histopathological diagnosis of the specimen was concrescent teeth. The cementum of the teeth was thickened. and the teeth were fused only by the cementum. without the dentin.
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