Since the implant is placed under the gingiva, especially in the anterior areas, it is usually impossible to check the complete and correct seating of the crown with the eye.
Incomplete seating of the crown on the implant abutment creates a step or gap under the gingiva, which is very susceptible to plaque, and ultimately causes chronic inflammation in the tissues around the implant, in cases where the gum is thin, incomplete seating of the crown causes a fistula in the gingiva.
Failure to place the crown correctly on the implant abutment has various reasons, including strong contact with the adjacent tooth, use of a larger size crown, and failure to properly place the abutment on the implant.To avoid these problems, the seating of the crown should be checked by eye wherever possible, and otherwise, a radiograph must be prepared before the further process. If the tissues around the blanch, it can be the reason for the crown not sitting properly.
In cases where there are excess tissues, the laser diode can be used to reduce the internal volume of the gum to provide enough space for the correct placement; But it is better not to use electrocautery in these cases. Considering these cases, it is recommended that after the delivery of the prosthesis, the patient should be visited once in the next 3 months to make sure that the crown and abutment are properly seated and radiographed.
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