Are there dentists who restrict their implant practice to those who do not require bone grafting that takes months to heal beforehand?

Need more info: An implant cannot be placed in air. It must be placed in bone. After long-standing tooth loss bone dissolves away. Very often bone graft required to replace the bone that has been lost. Don't look for "quick, " look for best most long lasting result. If someone promises you the moon without building a rocket ship, seek a second opinion.

Bone grafting ??: There may be however they may not be doing very many implants if that is the case, but that is their choice, not all of them need or require bone grafting, but I am not really clear as to the nature of your question.

Yes: In implant sites that have an abundance of bone, implant placement is more straightforward. Often a practioner will refer the more difficult cases to an oral surgeon or an experienced periodontist, if he or she feels the case is too complex.