Mandibular Basal Coverage Dr Neshati Mandibular Bone Condyls

Mandibular Basal Coverage Dr. Neshati

Mandibular Bone Condyls Coronoid process Ascending branch Residual ridge Mylohyoid ridge External oblique ridge Mental foramen Angle of mandible Genioglossus &Geniohyoid processes

Torus mandibularis

Mandibular Basal Coverage Ridge Retromolar Pad : Buccinator M Temporal M Superior Constrictor

Labial & Buccal Vestibul Labial Frenum Orbicularis Oris M Buccal Frenum Incisive Labii Inferior M Labial Vestibul Mentalis M Buccal Shelf Masseter Area

Primary Stress Bearing Area Buccal Shelf : Cortical bone Paralleling of buccinator muscle fibers Horizontal surface

Alveolo Lingual Sulcus Sublingual Gland Region Median Region Third Region

Sublingual Gland Region Lingual Frenum Sublingual Gland Sublingual Fold Sublingual vein

Median Region Premylohyoid Fossa Mylohyoid M.

Third Region End of Mylohyoid Ridge Retro Mylohyoid Curtain Retro Mylohyoid fossa This region is limited by : Anterior Tonsilar Pillar at lingual side Retromylohyoid curtain & sup. constrictor M at distal Ascend. branch of mandible. mylohyoid M. Retromolar pad at buccal

Labial Notch Buccal Notch Labial Flange Buccal Flange

Retromolar Pad Area Ramus Buccinator M. Retromolar Fossa

S - CURVE

Retro Molar Pad Superior Constrictor M. Buccinator M. Temporalis T.

Primary Stress Bearing Area Maxilla Horizontal portion of the hard palateral to the midline Mandible Buccal Shelf

Secondary Stress Bearing Area Maxilla Crest of Residual Ridge Mandible Crest of Residual Ridge

Non Stress Bearing Area Maxilla Incisive papilla Median Raphe Mandible Mental Foramen Retromolar pad

Facial Land Marks Nares Ala Nasi Philtrum Nasolabial Fold Upper & Lower Lip Labial Tubercle Rima Oris Vermillion Mentolabial Fold Mentum Angularis Oris