Related Experiment Video
Updated: Feb 13, 2026
04:19
The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
Published on: January 13, 2023
5.7K
Relationship Between Third Mandibular Molar Angulation and Distal Cervical Caries in the Second Molar
Andreescu Claudia1, Horia Mihail Barbu1, Lorean Adi1
1University Titu Maiorescu, Bucharest, Romania.
The Journal of Craniofacial Surgery
|March 20, 2018
Summary
Partially erupted wisdom teeth (third molars) are linked to cavities on the adjacent second molars. Monitoring these impacted teeth is crucial, as their position and eruption status influence the risk of developing distal cervical caries.
Area of Science:
- Dentistry
- Oral Health
- Radiology
Background:
- Partially erupted third lower molars (wisdom teeth) are a common clinical challenge.
- These impacted teeth can lead to pathologies in the adjacent second molars.
- The decision to extract or monitor wisdom teeth requires understanding associated risks.
Purpose of the Study:
- To investigate the association between mandibular third molars and distal cervical caries in the second molars.
- To evaluate how eruption status and angulation of third molars correlate with caries development in adjacent teeth.
Main Methods:
- Retrospective analysis of 55 digital orthopantograms from adult patients.
- Assessment of 95 mandibular third molars for eruption status, angulation, and presence of caries or restorations.
- Evaluation of the distal surface of adjacent second molars for radiographic evidence of caries or restorations.
Main Results:
- Distal cervical caries in second molars were associated with fully and partially erupted wisdom teeth in horizontal, mesioangular, and vertical positions.
- The presence of caries in the third molar showed a weaker association with distal caries in the second molar.
- Caries in distal second molars were observed in mesioangularly positioned third molars, particularly when the third molar was caries-free.
Conclusions:
- The eruption status and angulation of mandibular third molars are significant factors in the development of distal cervical caries in second molars.
- Radiographic monitoring of impacted wisdom teeth is essential to prevent secondary caries in adjacent teeth.
- Further research may elucidate the specific mechanisms linking impacted third molars to caries development.
Related Concept Videos
01:54Molar Mass
87.1K
The identity of a substance is defined not only by the types of atoms or ions it contains but by the quantity of each type of atom or ion. For example, water, H2O, and hydrogen peroxide, H2O2, are alike in that their respective molecules are composed of hydrogen and oxygen atoms. However, because a hydrogen peroxide molecule contains two oxygen atoms, as opposed to the water molecule, which has only one, the two substances exhibit very different properties.
87.1K
03:43Applications of the Ideal Gas Law: Molar Mass, Density, and Volume
63.6K
The volume occupied by one mole of a substance is its molar volume. The ideal gas law, PV = nRT, suggests that the volume of a given quantity of gas and the number of moles in a given volume of gas vary with changes in pressure and temperature. At standard temperature and pressure, or STP (273.15 K and 1 atm), one mole of an ideal gas (regardless of its identity) has a volume of about 22.4 L — this is referred to as the standard molar volume.
63.6K
02:12Relationship Formation
46.3K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
46.3K
01:28Ending Relationships
205
The dissolution of intimate relationships presents complex emotional and psychological challenges, particularly when emotional bonds are strong, the relationship is long-standing, and perceived alternatives are limited. This distress often intensifies in romantic breakups, where the initiator may experience greater turmoil than the rejected partner. Contributing factors include residual attachment, guilt over causing pain, and uncertainty about how to manage the situation. The stress is further...
205
01:14Pharmacokinetic–Pharmacodynamic Relationship: Duration of Dose-Effect Relationship
7
For drugs producing a quantal response, onset occurs when plasma concentration reaches a minimum effective level (Cmin). The drug's action duration depends on how long the plasma concentration remains above Cmin.Two primary factors influence this duration: dose size and the rate of drug removal from the action site. Both depend on the drug's redistribution to poorly perfused tissues and elimination processes. A larger dose promotes rapid onset and prolongs the effect's duration.Consider a...
7
01:27Relationship Growth
228
Interpersonal relationships progress through stages, beginning with awareness and moving toward mutuality, where emotional connections deepen. While many relationships remain at moderate levels of mutuality, deeper connections form through self-disclosure, trust, and interdependence.Self-DisclosureSelf-disclosure involves revealing personal information, starting with surface-level details and gradually progressing to more intimate content. As trust grows, individuals feel more comfortable...
228