Direct answer
Not always. Bone regeneration remains indicated in many situations of moderate loss. In cases of severe atrophy, where full-arch rehabilitation of the jaw is needed, there are advanced surgical techniques that make it possible to place the implants without prior bone regeneration. In single-tooth replacements, on the other hand, regeneration may be necessary.
It is worth stating this point clearly: there is no objection in principle to bone regeneration. It is a valid procedure and, in many cases, it may be the most appropriate one. The question does not lie in the technique, but in applying it to situations where it has ceased to be the most suitable option.
The time factor
A plan involving bone regeneration typically means a first procedure and an integration period that may extend to nine months. If the implants are placed at a second stage, a further waiting period is needed until they are fully integrated. After that period, the definitive rehabilitation is made.
Which of these routes applies to your case. Determining that requires three-dimensional imaging assessment — cone beam computed tomography, CBCT — and clinical assessment of the oral cavity. Only from that information is it possible to establish which procedure is most appropriate for the rehabilitation.
The aim of the assessment consultation is to present the solution most appropriate to your case, explaining all the alternatives, so that the rehabilitation can be carried out in the shortest possible time, with the best prognosis and the greatest predictability.