Maxillofacial and oral surgeons focus on the soft and hard tissues located in and around the mouth. These cells include the gums, cheeks, lips, hard palate, soft palate, tongue, and facial tissues. These surgeons perform more invasive surgeries as a basis for teeth than other dental practitioners like complicated tooth extractions jaw corrections or smoothing and so are trained in hospitals after their instruction. They also perform surgeries, cleft palate or cleft lip surgeries, and occasionally biopsiestissue extraction, facial infections, as well as sleep apnea treatments. Oral surgeons generally lay the groundwork for dental work as they take care of the surgical enhancements which need to happen to supporting bones and teeth prior to surgeries , false teeth , or oral appliances can be accomplished.