Teeth that do not erupt into their normal occlusal position due to improper positioning within the jawbone are referred to as interceptive or obstructive teeth. The most common obstructive teeth are the mandibular third molars, followed by the maxillary third molars and maxillary cuspids. Statistically, the incidence of interrupted teeth in adults is 20%. Between this blocked tooth and the gum covering it, it is easy to hide stains and bacteria, causing bad breath, decay and often inflammation when the body’s resistance decreases. Due to the malposition of the blocked tooth, it is blocked by the neighboring teeth, and some of them may be completely buried by the bone tissue. Therefore, the extraction of blocked teeth is more difficult than other teeth, the gums have to be cut open if they are covered by gums, the bone has to be removed if they are buried by bone, and the crown has to be split and removed in pieces if they are blocked by neighboring teeth. Therefore, extraction of obstructed teeth takes longer time and there are more possible complications during and after surgery, such as bleeding, broken roots, damage to neighboring teeth, postoperative lower lip numbness, dry socket, etc.