Unusual Impaction - Rosettes of Multiple Unerupted Molars: Review Article
Nikolay Yanev,
Bistra Blagova,
Laura Andreeva
Issue:
Volume 6, Issue 1, June 2020
Pages:
1-6
Received:
24 November 2019
Accepted:
9 December 2019
Published:
6 July 2020
Abstract: Background: There is a wide spectrum of syndromes that include dental, oral and craniofacial disorders. Early diagnosis is often crucial for their effective treatment. However, not all syndromes can be clinically identified on time, especially in cases of absence of known family history. Moreover, the treatment of these patients is often complicated because of insufficient medical knowledge and because of the dento-alveolar and craniofacial developmental variations. Objective: The cases of a single impacted tooth are common. But the ones of multiple unerupted permanent molars are a rare phenomenon. They could be either isolated or associated with local or general pathologic factors. When identified, they present a challenging problem for the dentist, or the oral and maxillofacial surgeon. The aim of the article is to review the possible etiology and management modalities in cases of multiple unerupted molars. Results: The Pubmed and Medline database was searched. The information found was presented mainly by case reports. Unfortunately, because of the rarity of this clinical finding and the great clinical diversity, it is difficult to propose clinical procedure protocols. So, we assume, that the real incidence of that condition might be higher than the one mentioned in the literature. Discussion: It seems that due to the rare occurrence of severe complaints, many patients with multiple unerupted molars do not regularly present to their dentists, until other conditions take place. Clinical phenotyping together with reviewed data and evidence-based conclusions will ultimately pave the way for preventive strategies and therapeutic options in the future. This will improve the prognosis for better functional and aesthetic outcome for these patients and lead to a better quality of life. Conclusion: Care of individuals with syndromes affecting craniofacial and dento-alveolar structures is mostly treated by an interdisciplinary team who becomes more frequently involved in the refined diagnostic and etiological processes of these patients. The dentist and the surgical specialist must have a thorough knowledge about the various forms and possible etiology of tooth non-eruption. It can be a sign of various medical conditions. Therefore, detailed and specific investigations are further required, preceding a patient-tailored treatment plan.
Abstract: Background: There is a wide spectrum of syndromes that include dental, oral and craniofacial disorders. Early diagnosis is often crucial for their effective treatment. However, not all syndromes can be clinically identified on time, especially in cases of absence of known family history. Moreover, the treatment of these patients is often complicate...
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A Comparative Assessment of Bond Strength of PEEK Crowns to Natural Teeth with Two Different Resin Cements
Nishath Ayesha,
Sadiq Mohammed Sabir Ali,
Y. Mahadev Shastry,
K. Mahendernath Reddy
Issue:
Volume 6, Issue 1, June 2020
Pages:
7-12
Received:
20 May 2020
Accepted:
20 June 2020
Published:
4 August 2020
Abstract: Statement of problem: For a successful clinical outcome, luting agents should have a high bond strength. Bond failure is still one of the main reasons of restoration failures. Purpose: The purpose of this study was to evaluate tensile bond strength of PEEK with two different resin cements. Materials and methodology: Two self-adhesive cements (RelyX Unicem, G-CEM LinkAce), twenty permanent human premolars were used. In the present experimental study, teeth were prepared to receive copings with a chamfer bur at high speed cooled with an air/water spray. PEEK copings were fabricated and specimens were divided into two groups based on the type of cement used. The tensile load required to de-bond the crowns was measured using universal testing machine with a cross speed of 1mm/min. The data was analysed by paired t test. Results: The maximum and minimum amounts of bond strength were seen in RelyX Unicem and G-CEM LinkAce cements respectively. Despite this different bond values in cements, paired t test disclosed significant difference between groups in the mean amount of bond strength (p-value=0.05). Conclusion: Regarding the results of the study, it was concluded that G-CEM LinkAce presented higher bond strength.
Abstract: Statement of problem: For a successful clinical outcome, luting agents should have a high bond strength. Bond failure is still one of the main reasons of restoration failures. Purpose: The purpose of this study was to evaluate tensile bond strength of PEEK with two different resin cements. Materials and methodology: Two self-adhesive cements (RelyX...
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