Retromolar Trigone (rTR) is the Gingiva or mucosa covering the alveolar ridge posterior to the last Mandibular molar overlying the ramus of the mandible and is defined as a Roughly triangular space
Retromolar Trigone (rTR) is the Gingiva or mucosa covering the alveolar ridge posterior to the last Mandibular molar overlying the ramus of the mandible and is defined as a Roughly triangular space