Aims: In premolars and molars, transverse ridge (TR) and oblique ridge (OR) play major roles in providing strength and stability to the cusps in particular and tooth as a whole.
Transverse Ridge of Premolars and Oblique Ridge of Maxillary Molars …
2020年5月1日 · Aims: In premolars and molars, transverse ridge (TR) and oblique ridge (OR) play major roles in providing strength and stability to the cusps in particular and tooth as a whole. Hence, they could be divided at the central groove or the transverse groove in a …
15: Molars - Pocket Dentistry
2015年1月4日 · The oblique ridge is a transverse ridge and is unique to maxillary molars. A transverse ridge is formed by two triangular ridges joining together and crossing the surface of a posterior tooth diagonally rather than straight across buccolingually.
Terminology used to describe the morphology of a tooth
2021年9月12日 · An oblique ridge is found only on maxillary molars. It crosses the occlusal surface obliquely (diagonally) and is made up of one ridge on the mesiolingual cusp joining with the triangular ridge of the distobuccal cusp (seen in Fig. 1-27 on the maxillary molar).
Maxillary First Molar - an overview | ScienceDirect Topics
An oblique ridge runs through the second molar from the mesiopalatal cusp to the distobuccal cusp. Occasionally an extra cusp (Carabelli) is present on the mesiopalatal surface of the same cusp; may also be present on the maxillary permanent first molar.
Permanent Maxillary Molars - Dental Anatomy - Mitch Medical
2024年1月14日 · Transverse ridge - The buccal cusp ridge of the mesiolingual cusp and lingual cusp ridge of the mesiobuccal cusp form a transverse ridge. c. Oblique ridge - An oblique ridge is created by the union of the distal cusp ridge of the mesiolingual cusp and the lingual cusp ridge of the distobuccal cusp.
Permanent Maxillary First Molar: Tooth Morphology Made Easy!
2021年9月20日 · A prominent oblique ridge crosses the occlusal surface. This ridge is formed as a result of the union of the triangular ridges that arises from the distobuccal cusp and the mesiolingual cusp. This prominent oblique ridge is one of the distinguishing features of the permanent maxillary first molar.
11: The Permanent Maxillary Molars - Pocket Dentistry
2015年1月9日 · The maxillary first molar is normally the largest tooth in the maxillary arch. It has four well-developed functioning cusps and one supplemental cusp of little practical use. The four large cusps of most physiological significance are the mesiobuccal, the distobuccal, the mesiolingual, and the distolingual.
First maxillary molar (part 2) | Molars | Dental Anatomy
The first maxillary molar contains an oblique ridge (also called the transverse ridge). It connects the mesiolingual and distobuccal cusps. Besides the oblique ridge, the first maxillary molar has several more ridges: Secondary mandibular and maxillary molars, …
First maxillary molar (ridges) | Media Library | Anatomy.app
The first maxillary molar contains an oblique ridge (also called the transverse ridge). It connects the mesiolingual and distobuccal cusps. Besides the oblique ridge, the first maxillary molar has several more ridges: mesiobuccal triangular ridge, distobuccal triangular ridge, mesiolingual triangular ridge, mesial marginal ridge, and distal ...