A lot depends on how bad and extensive the deterioration is and the age of the individual.

There are 4 very essential base hormones in bone regrowth, DHEA, Pregnenolone, Cholecalcipherol, and Melatonin. Additional hormones can be derived from these.

Also, there are a number of nutrients that are critical such as Calcium, Magnesium, Iodine, Selenium, etc.

There are also technologies that can help such as bone growth stimulation with electrical and vibrational frequencies.

Is your saliva PH 7.2? Do you take tissue salts?