As I understand your question you are wondering about the do's and dont's of providing dental surgery for diabetic patients. There is no recipe for treatment as each diabetic patient is unique. Diabetes is a multidimensional metabolic problem. First thing to assess is to determine if the disease is well controlled in the patient in question and the presence of co-morbidities. (Glycosylated hemoglobin) HbA1C is a measure of glycemic control over 120 days. If the numbers are below 6( depends on the lab) the patient is well controlled. Infections in diabetics should be addressed expeditiously due to poor healing potential. Antibiotics again are indicated if glucose levels are not well controlled and healing is compromised.
In well controlled individuals and I mean long term control, implants are also not contraindicated and there are publications that support this view. The bottom line is how close to normal is the patient first and what adjunctive medication modalities can assist. This is a very general view. There are several resources one can tap into for a good understanding of this.