Lecture 9 Intraoral Radiographic Anatomy 12/1/2017 Lecture 9 Intraoral Radiographic Anatomy ODRP 701 Radiology I Heidi L. Christensen, DDS, MS ODRP 755 Radiology II
Additional Resources Textbooks Online Resources Oral Radiology: pp 152-174 Color Atlas of Common Oral Diseases: pp 10-13,16 Online Resources See Blackboard
Radiolucent Structures ↓ density of material ↓ thickness of structure Space or hole in bone
Radiopaque Structures ↑ density of material ↑ thickness of structure Overlapping structures
Teeth & Supporting Structures 12/1/2017 Teeth & Supporting Structures Enamel Crown Dentin Pulp Cementum Root PDLS Lamina Dura Apex ODRP 755 Radiology II
Pulp Horn Chamber Canal
Alveolar Crest CEJ DEJ
Gingival shadow
Bony Landmarks of the Mandible
Inferior Border of the Mandible 12/1/2017 Inferior Border of the Mandible ODRP 755 Radiology II
Anterior Mandible
12/1/2017 Alveolar Crest ODRP 755 Radiology II
12/1/2017 Genial Tubercles ODRP 755 Radiology II
Genial Tubercles
12/1/2017 Genial Tubercles ODRP 755 Radiology II
Genial Tubercles
12/1/2017 Lingual Foramen ODRP 755 Radiology II
12/1/2017 Lingual Foramen ODRP 755 Radiology II
12/1/2017 Nutrient Canals ODRP 755 Radiology II
Nutrient Canals
Nutrient Canals
Nutrient Canals
12/1/2017 Mental Fossa ODRP 755 Radiology II
Mental Fossa
12/1/2017 Mental Ridge ODRP 755 Radiology II
Mental Ridge
Mental Ridge A- Mental Ridge B- Inner Cortical Border C- Outer cortical Border C A B
Mandibular Tori
Lower lip line
Mandibular Premolar & Molar projection
Alveolar Crest
12/1/2017 Mental Foramen ODRP 755 Radiology II
Mental foramen
Posteriorly Positioned Foramen 12/1/2017 Posteriorly Positioned Foramen ODRP 755 Radiology II
Accessory mental foramen 12/1/2017 Accessory mental foramen ODRP 755 Radiology II
12/1/2017 Mylohyoid Ridge ODRP 755 Radiology II
Mylohyoid Ridge
Internal Oblique Ridge 12/1/2017 Internal Oblique Ridge ODRP 755 Radiology II
External Oblique Ridge 12/1/2017 External Oblique Ridge ODRP 755 Radiology II
External Oblique Ridge
External Oblique Ridge
12/1/2017 Mandibular Canal ODRP 755 Radiology II
Mandibular Canal
Mandibular Canal
Mandibular Canal
Anterior Looping of the Canal
12/1/2017 Submandibular fossa ODRP 755 Radiology II
Submandibular Fossa
Image of Tongue
12/1/2017 Coronoid Process ODRP 755 Radiology II
12/1/2017 Coronoid Process ODRP 755 Radiology II
Coronoid Process
Enlarged PDL Space?
Bony Landmarks of the Maxilla
Maxilla Maxilla forms Floor of the orbit of the eye Sides and floor of the nasal cavities Hard palate Lower border of maxilla supports the upper teeth (alveolar process
Maxilla
Maxillary Premolar & Molar projection
Alveolar Ridge
All Those Horizontal Lines!
All Those Horizontal Lines! Alveolar Ridge/Crest Floor / Wall of Maxillary Sinus Zygomatic Arch (Inferior Border) Zygomatic Process of Maxilla Floor of Nasal Cavity
12/1/2017 Maxillary Tuberosity ODRP 755 Radiology II
Tuberosity
12/1/2017 Hamulus ODRP 755 Radiology II
Clinical Hamular Notch
Zygomatic Process of the Maxilla 12/1/2017 Zygomatic Process of the Maxilla ODRP 755 Radiology II
Zygomatic Process of Maxilla
12/1/2017 Zygomatic arch ODRP 755 Radiology II
Zygomatic Arch
12/1/2017 Maxillary Sinus ODRP 755 Radiology II
Sinus Floor
Floor of Maxillary Sinus
Bony septa within maxillary sinus 12/1/2017 Bony septa within maxillary sinus ODRP 755 Radiology II
Wall of Maxillary Sinus
Pneumatization
Neurovascular canals 12/1/2017 Tiny, tube-like passageways through bone that contain blood vessels and nerves and supply the maxillary teeth and interdental areas Appear as narrow, radiolucent band surrounded by two radiopaque lines ODRP 755 Radiology II
Neurovascular canals
Nasolabial Fold
Anterior Maxillary Projection
Soft Tissue Outline of Nose
Incisive/Nasopalatine Foramen 12/1/2017 Incisive/Nasopalatine Foramen ODRP 755 Radiology II
12/1/2017 Incisive Foramen ODRP 755 Radiology II
Incisive/Nasopalatine Canal 12/1/2017 Incisive/Nasopalatine Canal ODRP 755 Radiology II
Superior Foramina of Incisive Canal 12/1/2017 Superior Foramina of Incisive Canal ODRP 755 Radiology II
Intermaxillary Suture 12/1/2017 Intermaxillary Suture ODRP 755 Radiology II
12/1/2017 Lateral Fossa ODRP 755 Radiology II
12/1/2017 Nasal Aperture ODRP 755 Radiology II
12/1/2017 Nasal Septum ODRP 755 Radiology II
12/1/2017 Nasal Septum ODRP 755 Radiology II
Floor of the Aperture 12/1/2017 Bony wall formed by the palatal processes of the maxilla and the horizontal palatal processes of the palatal bones Floor is composed of dense cortical bone and defines the inferior border of the nasal cavity Appears as a dense radiopaque band above the maxillary teeth ODRP 755 Radiology II
Floor of Nasal Aperture 12/1/2017 Floor of Nasal Aperture ODRP 755 Radiology II
12/1/2017 Anterior Nasal Spine ODRP 755 Radiology II
Anterior Maxilla
12/1/2017 Inferior Nasal Concha ODRP 755 Radiology II
Inferior Concha
The Inverted Y A- Floor of nasal aperture B- Anterior wall of maxillary sinus
Inverted Y
12/1/2017 Edentulous ODRP 755 Radiology II
Edentulous
Maxillary Occlusal Film A- Nasal Fossa B- Nasal septum C- Superior Foramina of Nasopalatine canal D- Incisive Foramen E- Intermaxillary suture A B C D E
Maxillary Occlusal Film Nasolacrimal canals Lat. wall of nasal aperture Superior foramina of nasopalatine canal Intermaxillary suture
Questions?