HUMAN DENTITION, DENTAL TERMINOLOGY AND TOOTH NOTATION, Lecture notes of Nursing

Download HUMAN DENTITION, DENTAL TERMINOLOGY AND TOOTH NOTATION and more Lecture notes Nursing in PDF only on Docsity! HUMAN DENTITION, DENTAL TERMINOLOGY AND TOOTH NOTATION Dr A W Muriithi BDS 1 – Oral Biology Oct 2019  It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.  Leonardo da Vinci BDS - Dental Terminology (2019) 2 DENTAL ARCHES  MAXILLARY ARCH  MANDIBULAR ARCH  Are divided into left and right quadrants  permanent quadrants bear 8 teeth  deciduous quadrants bear 5 teeth  May also be described as anterior and posterior segments BDS - Dental Terminology (2019) 5 SURFACES OF THE TOOTH  MEDIAL  LATERAL  DISTAL - Towards the posterior of the oral cavity  MESIAL - Towards the anterior of the oral cavity  e.g. the premolars are located mesial to the molars BDS - Dental Terminology (2019) 6 LOCATION OF TEETH WITHIN THE QUADRANTS  BUCCAL / LABIAL (FACIAL) surfaces:  surfaces of teeth that come into contact with the lips and cheeks respectively  LINGUAL surfaces:  those surfaces of teeth that come into contact with the tongue  in the maxilla these surfaces are known as PALATAL surfaces BDS - Dental Terminology (2019) 7 Geography of the tooth  Coronal (crown)  Incisal / occlusal 1/3  Middle 1/3  Cervical / gingival 1/3  Radicular (root)  Cervical / gingival 1/3  Middle 1/3  Apical 1/3 BDS - Dental Terminology (2019) 10 Definitions  APICAL:  Relating to the apex of the root  CERVICAL:  Relating to the neck (cervix) of the root or crown Also described as GINGIVAL  INCISAL:  Relating to the cutting edge of an incisor BDS - Dental Terminology (2019) 11 More definitions  EMBRASURE:  Interdental space normally occupied by a gingival papilla in the living  OCCLUSAL:  Relating to the chewing surface of a posterior tooth  CERVICAL LINE:  Curved line at the neck of the tooth that demarcates the cemento-enamel junction (CEJ). It separates the crown from the root BDS - Dental Terminology (2019) 12 Topographical features  RIDGE:  Linear elevation on tooth surface  e.g. buccal, mesial marginal, distal marginal, oblique, transverse  MAMMELON:  rounded elevation on the incisal edge of newly-erupted permanent incisors BDS - Dental Terminology (2019) 15 Definitions  PULP SPACE:  Central space in tooth that houses the dental pulp (loose, mucoid connective tissue)  May be divided into:  PULP CHAMBER (with pulp horns)  PULP (ROOT) CANAL BDS - Dental Terminology (2019) 16 ROOT TRUNK  That portion of root, in multi-rooted teeth, that lies between the cemento- enamel junction and the point of furcation  Bifurcation (premolars)  Trifurcation (molars) BDS - Dental Terminology (2019) 17 TOOTH NOTATION SYSTEMS  Palmer notation  18 AE  FDI  15 32 63 81  Universal system  11,12,1348  BDJ system  UL6 LR4 BDS - Dental Terminology (2019) 20 Psalm 81:10b  ………open your mouth wide and I will fill it BDS - Dental Terminology (2019) 21