Dental Anatomy
Dental Surfaces and Thirds
LAB 2
1- Maxillary 2- Mandibular
Arches 1 2
Dental
Dental Quadrants
1- Crown 2- Root
1 2
Tooth parts
1- Enamel 2- Dentin 4- Cementum 3- Pulp Tooth tissues 1 2 3 Within Crown Within Root • Dentin is the main bulk of tooth . • All the tissues are Hard except Pulp is soft . 1 2 4 3
1- Pulp Chamber 2- Pulp Canal Pulp Parts
Within Crown Within Root
1 2 1 2
Labial Aspect • Maxillary and mandibular . • Anterior teeth . • Face : Lip .
Buccal Aspect • Maxillary and mandibular . • Posterior teeth . • Face : Cheek .
Facial Aspect • Maxillary and mandibular . • Anterior and Posterior teeth . • Face : Lip and Cheek .
Lingual Aspect • Maxillary and mandibular . • Anterior and Posterior teeth . • Face : Tongue .
Palatal Aspect • Anterior and Posterior teeth . • Maxillary . • Face : Tongue.
• Anterior teeth . • Maxillary and Mandibular .
Face : opposite arch teeth .
Incisal Aspect
•
Occlusal Aspect
• Posterior teeth .
• Maxillary and Mandibular .
• Face : opposite arch teeth.
DIVISION OF THIRDS
• Mesio-distal in anterior and posterior .
• Labial, Buccal and lingual Aspect .
• Crown and Root .
• Labio-lingual in anterior . • Mesial and Distal Aspect . • Crown and Root . ————————————— • Buccolingual in posterior . • Mesial and Distal Aspect . • Crown and Root . DIVISION OF
THIRDS
• Cervicoincisal in crown (Anterior) . • In Mesial , Distal , Labial and lingual. ——————————————————— • Cervico-occlusal in crown (Posterior) . • In Mesial , Distal , Buccal and lingual.
DIVISION OF THIRDS
DIVISION OF THIRDS
• Cervico-apical in Roots (Anterior and Posterior). • Mesial , Distal ,Labial ,Buccal and Lingual Aspect .
Cervical Middle Apical