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   2017| April-June  | Volume 8 | Issue 2  
    Online since May 11, 2017

 
 
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ORIGINAL HYPOTHESIS
Cellular reduction and pulp fibrosis can be related not only to aging process but also to a physiologic static compression
Firas Kabartai, Thomas Hoffman, Christian Hannig
April-June 2017, 8(2):42-45
DOI:10.4103/2155-8213.206105  
Introduction: As the available space inside the tooth becomes smaller because of the continuous formation of secondary dentin, the pulp may suffer from a physiologic static compression. The hypothesis: The dental pulp is lifelong under a static compression because of the continuous formation of secondary dentin, so that both cellular reduction and pulp fibrosis can also represent adaptive changes caused by the compression. Evaluation of the Hypothesis: The physiologic compression of the dental pulp can lead not only to the development of a hypoxia followed by cell death but also to the development of excluded volume effect, which helps convert the procollagen into collagen and form a collagen fiber network.
  5,021 330 1
ORIGINAL RESEARCH
Evaluation of a modified two-stage inferior alveolar nerve block technique: A preliminary investigation
Ashwin Rao, Deepti Thakkar, Arathi Rao, YM Karuna, N Srikant
April-June 2017, 8(2):34-38
DOI:10.4103/denthyp.denthyp_1_17  
Introduction: The two-stage technique of inferior alveolar nerve block (IANB) administration does not address the pain associated with “needle insertion” and “local anesthetic solution deposition” in the “first stage” of the injection. This study evaluated a “modified two stage technique” to the reaction of children during “needle insertion” and “local anesthetic solution deposition” during the “first stage” and compared it to the “first phase” of the IANB administered with the standard one-stage technique. Materials and Methods: This was a parallel, single-blinded comparative study. A total of 34 children (between 6 and 10 years of age) were randomly divided into two groups to receive an IANB either through the modified two-stage technique (MTST) (Group A; 15 children) or the standard one-stage technique (SOST) (Group B; 19 children). The evaluation was done using the Face Legs Activity Cry Consolability (FLACC; which is an objective scale based on the expressions of the child) scale. The obtained data was analyzed using Fishers Exact test with the P value set at <0.05 as level of significance. Results: 73.7% of children in Group B indicated moderate pain during the “first phase” of SOST and no children indicated such in the “first stage” of group A. Group A had 33.3% children who scored “0” indicating relaxed/comfortable children compared to 0% in Group B. In Group A, 66.7% of children scored between 1–3 indicating mild discomfort compared to 26.3% in group B. The difference in the scores between the two groups in each category (relaxed/comfortable, mild discomfort, moderate pain) was highly significant (P < 0.001). Conclusion: Reaction of children in Group A during “needle insertion” and “local anesthetic solution deposition” in the “first stage” of MTST was significantly lower than that of Group B during the “first phase” of the SOST.
  3,935 433 1
ORIGINAL HYPOTHESIS
Potential causative role of involuntary mouth opening in temporomandibular disorders
Yuki Kojima, Seitaro Suzuki, Naoki Sugihara
April-June 2017, 8(2):46-47
DOI:10.4103/denthyp.denthyp_4_17  
Introduction: Bruxism has long been suspected as a cause of temporomandibular disorders (TMDs). However, the validity of conventional guidelines and treatment has been discussed since sometime. The association between bruxism and TMDs has recently been questioned, as self-assessments of bruxism are somewhat unreliable, and bruxism appears to have no adverse effects based on histological and physiological findings. The hypothesis: We hypothesize that involuntary mouth opening may play a role in the development of TMDs. Evaluation of the Hypothesis: Recently, some clinical and basic reports have indicated that involuntary mouth opening might be associated with TMDs.
  3,106 323 -
EDITORIAL
What can altmetrics tell us about interest in dental clinical trials?
Stacy R Konkiel
April-June 2017, 8(2):31-33
DOI:10.4103/denthyp.denthyp_12_17  
  3,020 327 6
ORIGINAL HYPOTHESIS
Does absence or malformations of oral frenulae indicate orofacial developmental fields with dermatome abnormalities
Inger Kjaer
April-June 2017, 8(2):39-41
DOI:10.4103/denthyp.denthyp_11_17  
Introduction: The frenulum labii superioros do not receive specific attention in the odontological clinic and in odontological research. Actual papers on oral frenulae focus on the morphology of the frenulae and the frenulae in syndromic conditions. The etiology behind the development of frenulae has seemingly never been revealed. The Hypothesis: The hypothesis is that the frenulum labii reveal normal and abnormal location of the dermatomes within the orofacial developmental fields. Evaluation of the Hypothesis: This hypothesis is difficult to prove as long as the dermatomes in the oral cavity have never been localized. In the present new hypothesis, it could be suggested that the oral frenulae labii are structures bordering the oral dermatomes. This is illustrated by two examples, however, more examples are needed for the complete understanding of the etiology behind frenulae labii, which at present need to receive attention in the dental clinic.
  2,667 258 -
CASE REPORT
Using individual two-posterior short implants with two-anterior standard implants in mandibular implant-supported-overdenture to enhance the patient satisfaction: A clinical report
Mehran Bahrami, Mohammed Hussein M Alsharbaty
April-June 2017, 8(2):48-51
DOI:10.4103/2155-8213.206104  
Introduction: Many clinical cases and the literature review have revealed implant-supported-overdentures’ (ISOs) treatment success and predictability in elderly patients. According to the previous studies, all the mandibular ISOs used 2–4 implants anterior to mental foramen to retain the denture. Case Report: In this clinical report, two individual anterior standard implants and two individual posterior short implants were used to support the mandibular ISO, as well as to prevent further posterior bone resorption. This treatment option permits the patient to insert more implants in the future, and could be upgraded to implant-supported-fixed prosthesis. Discussion: The patient was completely satisfied about the final result, especially for upgrading the mastication efficiency. The patient was followed-up for more than 2 years without complication. The panoramic X-ray showed the preserved bone in the posterior region. This technique could be considered to be innovative, and more clinical cases are required to be documented as a predictable modality.
  2,473 268 -
ERRATUM
Erratum: Bioadhesive chlorhexidine gel for reduction of alveolar osteitis incidence: Systematic review and meta-analysis of randomized controlled trials

April-June 2017, 8(2):52-52
DOI:10.4103/2155-8213.206101  
  1,787 227 -
Erratum: Comparison of the efficacy and side effects of chlorhexidine mouthrinses with (Hexidine) and without (Epimax) alcohol

April-June 2017, 8(2):53-53
DOI:10.4103/2155-8213.206106  
  1,698 213 -
Erratum: Evaluating electromagnetic interference of communication devices with root ZX mini apex locator

April-June 2017, 8(2):54-54
DOI:10.4103/2155-8213.206103  
  1,612 181 -
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