Table 1.

Experimental procedure

Procedure	Groups
	NC	OC	T	T+L	L
Induction of osteoporosis	No ovariectomy	Double ovariectomy was done in the beginning of the experiment
Subcutaneous TPTD injection (12th week)	No injection		Subcutaneous injections 6 days a week		No injection
LLLT application (12th week)	No application			LLLT application on the lower jaw and left femur every 48 hours (3 times a week).
Euthanization dates &dissection of animals	One third of each group were euthanized at the end of weeks: 16, 19 and 24.
	Lower jaws (divided into right and left halves) and left femurs were dissected.
Bone density measurement	Done using CT at the end of weeks: 16 and 24. Assessment was done on lower jaws and left femurs.
Histopathological examination	Done using ordinary light microscope at the end of weeks: 16, 19 and 24. Assessment was done on right halves of jaws and femur shafts.
Measurement of average size of bone pores	Done using SEM at the end of weeks: 16, 19 and 24. Assessment was done on left halves of jaws.
Calcium & phosphorus elemental analysis	Done using EDAX at the end of weeks: 16, 19 and 24. Assessment was done on left halves of jaws.
Measurement of PINP levels	Done using an ELISA kit at the end of weeks: 16, 19 and 24. Assessment was done on femur head and neck.