Periodontology • NEET MDS
GTR = guided tissue regeneration = membrane barrier.
Autograft = gold standard bone graft = osteogenic.
Allograft = same species different individual = DFDBA osteoinductive.
Xenograft = different species = Bio-Oss bovine.
Alloplast = synthetic = hydroxyapatite tricalcium phosphate.
Emdogain = enamel matrix derivative.
PRF = platelet rich fibrin = Choukroun.
PRP = platelet rich plasma.
Use these mnemonics during your revision. The key associations above are designed to help you recall GTR Bone Grafts Growth Factors concepts instantly during the exam. Focus on the “equals” associations — these are the most commonly tested patterns in NEET MDS.