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1.  ORIGINAL RESEARCH
Prevalence, Location, and Size of Maxillary Sinus Septa: Computed Tomography Scan Analysis
Ferial Taleghani, Maryam Tehranchi, Shahryar Shahab, Zahra Zohri
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:11-15] [No of Hits : 2088]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1980 | FREE

Abstract

Introduction: The present study was undertaken to evaluate the anatomy of the maxillary sinus in relation to its position and the height of its septa, using cone beam computed tomography (CBCT).

Materials and methods: In this descriptive retrospective study, 300 CBCT images of maxillary sinuses of patients with posterior maxillary edentulism were evaluated. The maxillary sinus septa were evaluated in relation to their prevalence, height, and position; t-test and Mann–Whitney tests were used for the analysis of data.

Results: Sinus septa were detected in 44% of the subjects, with equal frequencies in the anterior, middle, and posterior positions. The mean height of the septa was 3.6 ± 1.56 mm.

Conclusion: In a population of Iranian subjects, in half of the cases, the sinus septa might be present in the anterior, middle, and posterior positions.

Clinical significance: In order to avoid intraoperative problems during sinus lift procedures, it is necessary to accurately evaluate the sinus, preferably with the use of CBCT.

Keywords: Cone beam computed tomography, Dental implant, Maxillary sinus septa.

How to cite this article: Taleghani F, Tehranchi M, Shahab S, Zohri Z. Prevalence, Location, and Size of Maxillary Sinus Septa: Computed Tomography Scan Analysis. J Contemp Dent Pract 2017;18(1):11-15.

Source of support: Nil

Conflict of interest: None

 
2.  CASE REPORT
Nonsurgical Management of Adult Skeletal Class 3 with Deep Bite utilizing Mini-implants
Ali G Alhalabi, Salah Mahaini, Ghalia Shebib, Khaldoun Darwich, Luai Mahaini
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:65-68] [No of Hits : 898]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1991 | FREE

ABSTRACT
Introduction: Malocclusions with anterior crossbite are a major esthetic and functional concern for patients. This case report presents a 27-year-old Syrian female who was diagnosed with a class 3 malocclusion, combined with anterior crossbite, deep bite, concave profile, and inadequate maxillary incisor exposure. There was a centric occlusion (CO)/centric relation (CR) discrepancy and the mandible could be manipulated to near edge-to-edge incisal relation.
Correction was done by class 3 intermaxillary elastics on upper and lower mini-implants for the first 6 months, followed by preadjusted edgewise appliance. The objective of implantsupported elastics was to adapt the patient for the CR condylar position without dental effect. Treatment was completed in 24 months with satisfactory dental and facial relationship.
Keywords: Centric relation, Deep bite, Mini-implants, Nonsurgical treatment, Skeletal class 3.
How to cite this article: Alhalabi AG, Mahaini S, Shebib G, Darwich K, Mahaini L. Nonsurgical Management of Adult Skeletal Class 3 with Deep Bite utilizing Mini-implants. J Contemp Dent Pract 2017;18(1):65-68.
Source of support: Nil
Conflict of interest: None

 
3.  ORIGINAL RESEARCH
Prevalence and Severity of Temporomandibular Disorders among Undergraduate Medical Students in Association with Khat Chewing
Mohammed M Al Moaleem, Abdulmajeed S Okshah, Ahid A Al-Shahrani, Abdulkhaliq Ali F Alshadidi, Fawzia I Shaabi, Abdulaziz H Mobark, Khurshid A Mattoo
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:23-28] [No of Hits : 866]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1982 | FREE

Abstract

Introduction: The aim of this study was to assess the prevalence and severity of temporomandibular joint disorders (TMDs) among undergraduate medical students in the presence of khat chewing over a period of time.

Materials and methods: Totally, 186 medical college students (age ≤ 20 years) were randomly selected for the present study. The study subjects were divided into two groups according to age, under 20 and above 20 years. The study was based on Fonseca’s anamnestic index and its questionnaire, which is composed of 10 questions and classifies the severity of TMDs. The obtained data were coded and entered into Statistical Package for the Social Sciences (SPSS) program for analysis using chi-square test at significance level of 5%.

Results: Most of the participants were male (68.8%) students and older than 20 years (63%). Those who reported with khat chewing comprised 31.7%. From the total samples, only 38.0% was classified as having mild TMD and 0.50% were classified as having severe TMD. Poor dental articulation, grinding of teeth, headaches, tense personalities, and temporomandibular joint (TMJ) clicking were the most common clinical findings. The mean scores showed no significant difference among gender (p ≤ 0.29) and the khat chewing (p ≤ 0.531) groups for the 10 questions. However, it showed significant difference among age groups (p ≤ 0.025).

Conclusion: The majority of subjects complained of mild TMD, while only a few cases showed a moderate TMD among different age groups. The most frequently reported dysfunctions were related to poor dental articulation and grinding of the teeth, frequent headaches, the clicking of joint, and tense personalities. No significant difference was found between gender and khat and nonkhat chewing groups.

Clinical significance: Khat chewing is a parafunctional habit and affects dental occlusion (especially cuspal wear) in terms of anterior guidance. Such alterations in occlusion are known to be one of the causative (predisposing) factors of TMD.

Keywords: Catha edulis, Dental occlusion, Fonseca’s anamnestic index, Fonseca’s questionnaire, Medical students, Saudi Arabia.

How to cite this article: Al Moaleem MM, Okshah AS, Al-ShahraniAA,AlshadidiAAF,Shaabi FI, MobarkAH, MattooKA. Prevalence and Severity of Temporomandibular Disorders among Undergraduate Medical Students in Association with Khat Chewing. J Contemp Dent Pract 2017;18(1):23-28.

Source of support: Nil

Conflict of interest: None

 
4.  REVIEW ARTICLE
Laser-based Disinfection of the Root Canal System: An Update
Zahed Mohammadi, Hamid Jafarzadeh, Sousan Shalavi, Rasoul Sahebalam, Jun-Ichiro Kinoshita
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:74-77] [No of Hits : 813]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1993 | FREE

ABSTRACT
Introduction: Microorganisms have been considered to have played a critical role in the initiation and development of pulpoperiapical diseases. Some evidences have shown that mechanical instrumentation may leave considerable portions of canal surfaces undebrided. Therefore, some supplemental methods, such as the use of chemical solutions and/or lasers, have been introduced to further disinfect the complicated canal anatomy and destroy as many microorganisms as possible. The purpose of this review was to address a brief review of characteristics of lasers and their effects to disinfect the root canal in endodontics.
Keywords: Disinfection, Laser characteristics, Photoninduced photoacoustic streaming, Root canal system, Sodium hypochlorite.
How to cite this article: Mohammadi Z, Jafarzadeh H, Shalavi S, Sahebalam R, Kinoshita JI. Laser-based Disinfection of the Root Canal System: An Update. J Contemp Dent Pract 2017;18(1):74-77.
Source of support: Nil
Conflict of interest: None

 
5.  ORIGINAL RESEARCH
Wear Resistance of Bulk-fill Composite Resin Restorative Materials Polymerized under different Curing Intensities
Fahad Alkhudhairy
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:39-43] [No of Hits : 779]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1985 | FREE

Abstract

Introduction: The aim of this study was to assess the wear resistance of four bulk-fill composite resin restorative materials cured using high- and low-intensity lights.

Materials and methods: Twenty-four samples were prepared from each composite resin material (Tetric N-Ceram, SonicFill, Smart Dentin Replacement, Filtek Bulk-Fill) resulting in a total of 96 samples; they were placed into a mold in a single increment. All of the 96 samples were cured using the Bluephase N light curing unit for 20 seconds. Half of the total specimens (n = 48) were light cured using high-intensity output (1,200 mW/cm2), while the remaining half (n = 48) were light cured using low-intensity output (650 mW/cm2 ). Wear was analyzed by a three-dimensional (3D) noncontact optical profilometer (Contour GT-I, Bruker, Germany). Mean and standard deviation (SD) of surface loss (depth) after 120,000 cycles for each test material was calculated and analyzed using one-way analysis of variance (ANOVA) with a significance level at p<0.05.

Results: The least mean surface loss was observed for SonicFill (186.52 µm) cured using low-intensity light. No significant difference in the mean surface loss was observed when comparing the four tested materials with each other without taking the curing light intensity into consideration (p = 0.352). A significant difference in the mean surface loss was observed between SonicFill cured using high-intensity light compared with that cured using low-intensity light (p <0.001).

Conclusion: A higher curing light intensity (1,200 mW/cm2) had no positive influence on the wear resistance of the four bulk-fill composite resin restorative materials tested compared with lower curing light intensity (650 mW/cm2). Furthermore, SonicFill cured using low-intensity light was the most wear-resistant material tested, whereas Tetric N-Ceram cured using high-intensity light was the least wear resistant.

Clinical significance: The wear resistance was better with the newly introduced bulk-fill composite resins under low-intensity light curing.

Keywords: Bulk-fill, Composites, Light intensity, Wear resistance.

How to cite this article: Alkhudhairy F. Wear Resistance of Bulk-fill Composite Resin Restorative Materials Polymerized under different Curing Intensities. J Contemp Dent Pract 2017;18(1):39-43.

Source of support: Nil

Conflict of interest: None

 
6.  ORIGINAL RESEARCH
Influence of Age on Factors associated with Peri-implant Bone Loss after Prosthetic Rehabilitation over Osseointegrated Implants
Rejane EL Pedro, João P De Carli, Maria SS Linden, Igor FP Lima, Luiz R Paranhos, Max D Costa, Ângelo JG Bós
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:3-10] [No of Hits : 716]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1979 | FREE

Abstract

Introduction: To verify the influence of age on factors associated with peri-implant bone loss after prosthetic rehabilitation over osseointegrated implants.

Materials and methods: This is an analytical, observational, and longitudinal study with initial 23 participants. Patients presenting with osseointegrated implants with their respective prostheses installed were included, and they could be carriers of chronic and degenerative diseases, such as diabetes, osteoporosis, hypothyroidism, cardiovascular disease (CVD), and systemic arterial hypertension. Thus, 18 participants with 57 implants were selected and followed up from 2009 to 2013. For statistical analysis, chi-square or Fisher’s exact test was used for the association of systemic conditions and bone loss. Student’s t-test was used for mean comparisons of age and number of total upper and lower implants.

Results: The average The average age of the sample studied was 71.05 years (65–80). The average implant per person was 3.2. Smoking had an influence on both mesial and distal bone loss, and the latter was significant (p = 0.0370). The association between bone loss and gender was also si    gnificant (p < 0.05). Moreover, male gender and upper implants were factors significantly associated with bone loss. The systemic conditions, when isolated, did not have significant influence on implant survival.

Conclusion: Age is not a factor that, alone, contraindicates implant-rehabilitating therapy. On the contrary, smoking has a significant influence on dental implant survival. Systemic diseases, such as osteoporosis, hypothyroidism, diabetes, hypertension, and heart diseases, when controlled, are not contraindication factors.

Clinical significance: This study is relevant for assessing peri-implant bone loss in elderly patients, right after implant installation and over time. Therefore, it was possible to verify that age is not a limiting factor for this procedure. Controlled systemic diseases do not contraindicate implant installation, but smoking is a factor that affects implant survival.

Keywords: Aging, Case–control study, Chronic disease, Dental implants, Implants, Prostheses, Risk factors.

How to cite this article: Pedro REL, De Carli JP, Linden MSS, Lima IFP, Paranhos LR, Costa MD, Bós ÂJG. Influence of Age on Factors associated with Peri-implant Bone Loss after Prosthetic Rehabilitation over Osseointegrated Implants. J Contemp Dent Pract 2017;18(1):3-10.

Source of support: Nil

Conflict of interest: None

 
7.  ORIGINAL RESEARCH
Child Abuse and Neglect: Do We know enough? A Cross-sectional Study of Knowledge, Attitude, and Behavior of Dentists regarding Child Abuse and Neglect in Pune, India
Suruchi Malpani, Jatin Arora, Gunjeeta Diwaker, Priyajeet Kaur Kaleka, Aditi Parey, Parinita Bontala
[Year:2017] [Month:February] [Volume:18 ] [Number:2] [Pages:92] [Pages No:162-169] [No of Hits : 540]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-2009 | FREE

ABSTRACT

Introduction: Child abuse and neglect (CAN) is a significant global problem with a serious impact on the victims throughout their lives. Dentists have the unique opportunity to address this problem. However, reporting such cases has become a sensitive issue due to the uncertainty of the diagnosis. The authors are testing the knowledge of the dentists toward CAN and also trying to question the efforts of the educational institutions to improve this knowledge for the better future of the younger generation.

Materials and methods: Questionnaire data were distributed to 1,106 members regarding their knowledge, professional responsibilities, and behavior concerning child abuse.

Results: There were 762 responses to the questionnaire, yielding a response rate of 68.9%. Although dentists consider themselves able to identify suspicious cases, only a small percentage of the participants correctly identified all signs of abuse and 76.8% knew the indicators of child abuse. Most of them were willing to get involved in detecting a case and about 90% believed that it is their ethical duty to report child abuse. Only 7.2% suspected an abuse case in the past. The numbers indicate a lack of awareness about CAN in these participants. No differences were observed between sexes, year of graduation, types of license, frequency at which children were treated, and formal training already received.

Conclusion: A large proportion of child physical abuse cases go undocumented and unreported. The data showed that not all dental care providers and students were prepared to fulfill their legal and professional responsibilities in these situations.

Clinical significance: There should be modifications in the dental school curriculum focusing on educational experiences regarding child abuse to strengthen their capability to care and protect children.

Keywords: Abuse, Attitude, Child abuse, Child abuse and neglect, Child maltreatment, Dentist, Knowledge, Pune, India.

How to cite this article: Malpani S, Arora J, Diwaker G, Kaleka PK, Parey A, Bontala P. Child Abuse and Neglect: Do We know enough? A Cross-sectional Study of Knowledge, Attitude, and Behavior of Dentists regarding Child Abuse and Neglect in Pune, India. J Contemp Dent Pract 2017;18(2):162-169.

Source of support: Nil

Conflict of interest: None

 
8.  REVIEW ARTICLE
Lasers in Apicoectomy: A Brief Review
Zahed Mohammadi, Hamid Jafarzadeh, Sousan Shalavi, Jun-Ichiro Kinoshita, Luciano Giardino
[Year:2017] [Month:February] [Volume:18 ] [Number:2] [Pages:92] [Pages No:170-173] [No of Hits : 531]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-2010 | FREE

ABSTRACT

Since the invention of laser, various applications for lasers in endodontics have been proposed, such as disinfection of the root canal system, canal shaping, pulp diagnosis, and apicoectomy. One of the major applications of laser in endodontics is apicoectomy. The aim of this article is to review the benefits and drawbacks of laser applications in apicoectomy, including effect on apical seal, effect on dentin permeability, effect on postsurgery pain, effect on crack formation, effect on root-end morphology, effect on treatment outcome, and connective tissue response to laser-treated dentin.

Keywords: Apical seal, Apicoectomy, Dentin permeability, Laser, Treatment outcome.

How to cite this article: Mohammadi Z, Jafarzadeh H, Shalavi S, Kinoshita J-I, Giardino L. Lasers in Apicoectomy: A Brief Review. J Contemp Dent Pract 2017;18(2):170-173.

Source of support: Nil

Conflict of interest: None

 
9.  ORIGINAL RESEARCH
Comparative Study of Piezoelectric and Rotary Osteotomy Technique for Third Molar Impaction
Sulphi A Basheer, R Jay Govind, Augustine Daniel, George Sam, VJ Adarsh, Akshatha Rao
[Year:2017] [Month:January] [Volume:18 ] [Number:1] [Pages:79] [Pages No:60-64] [No of Hits : 512]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1990 | FREE

ABSTRACT
Introduction: Bone removal is necessary for extracting the third molars that are erupted, partially erupted, and/or impacted in bone. Hence, it is necessary to choose a surgical method or instruments that conform to anatomic landmarks and are based on physiological principles. Many authors have reported injuries to the adjacent tooth, especially the distal part of periodontium after removal of second molar. Hence, the present study was undertaken to assess and compare the surgical and postsurgical outcomes of third molar removal using piezoelectric surgery and rotary bur.
Materials and methods: A total of 30 healthy adult individuals who were in need of prophylactic removal of impacted mandibular third molar tooth with ideal condition were included for the study. Individuals were divided randomly into study groups of 15 each, so that the difficulty of surgery will be the same in both the groups. Group I – piezoelectric osteotomy technique and group II – rotary osteotomy technique. The rotary device consists of a hand piece and a rotary speed ranging around 35,000 rpm was used. The piezoelectric device consists of a hand piece, and a frequency of 25 to 29 kHz with a microvibration of 60 to 200 mm/sec was used with a boosted working mode. Data were analyzed using unpaired t-test and qualitative data were analyzed using Fischer’s exact test.
Results: The average age of the study subjects in the piezosurgery group and rotary group was 28.40 ± 2.69 and 30.06 ± 3.15 years respectively. The time taken for removal of impacted tooth by rotary bur was less than that by piezoelectric device, which was significant statistically (p < 0.05). Until the 4th postoperative day, severity of pain experienced was more in the rotary group, which was statistically significant (p < 0.005). Mouth opening was significantly better in the piezoelectric group as compared with rotary bur until the 7th postoperative day.
Conclusion: The piezosurgery method reduces postoperative pain, trismus, and swelling. Also, it may play an important role in increasing bone density within the extraction socket and decreasing the amount of bone loss of adjacent tooth in the distal aspect.
Clinical significance: In clinical practice, piezosurgery plays an important role because piezosurgery reduces postoperative pain, trismus, and also swelling.
Keywords: Impacted tooth, Mouth opening, Pain, Piezoelectric osteotomy, Rotary osteotomy.
How to cite this article: Basheer SA, Govind RJ, Daniel A, Sam G, Adarsh VJ, Rao A. Comparative Study of Piezoelectric and Rotary Osteotomy Technique for Third Molar Impaction. J Contemp Dent Pract 2017;18(1):60-64.
Source of support: Nil
Conflict of interest: None

 
10.  Editorial
Peri-implant Diseases: What do We know and What do We need to know?
Seyed Amir Danesh-Sani
[Year:2016] [Month:May] [Volume:17 ] [Number:5] [Pages:77] [Pages No:347-348] [No of Hits : 3430]
Full Text PDF | Abstract | DOI : 10.5005/jp-journals-10024-1853 | FREE

ABSTRACT

As the demand for implant restorative therapy increases worldwide, peri-implantitis is considered to be a major challenge for clinicians. Peri-implant diseases are inflammatory in nature and might be limited to the soft tissue, peri-implant mucositis, or extend to the supporting alveolar bone that is called peri-implantitis.1

How to cite this article: Danesh-Sani SA. Peri-implant Diseases: What do We know and What do We need to know?. J Contemp Dent Pract 2016;17(5):347-348.

Source of support: Nil

Conflict of interest: None

 
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