Wednesday, January 7, 2015




Although the two pictures above are taken with the same camera settings, the left image appears more bright. The only way to control the exposure of the dental images is by setting the camera to manual mode.

Moving away from or close to the captured subject may change the image exposure even if the camera settings did not change. Moreover, tilting the camera will modify the way the light falls on the subject being captured hence the image brightness will change accordingly.

The image above to the right has been taken from the same distance used to take the image to the left. The only difference is that there is a slight change in the way the camera has been hand held. Tilting the camera in a different way in the first capture has changed the way the light fell on the teeth and sequencially the light has been reflected differently causing the increase of brightness in the image on the left.

Photography plays an important role in modern Dentistry. The ability to take professional pictures of the dental work is crucial. In the upcoming blogs,I am going to talk more about photography and share some tips and tricks in the daily practice of cosmetic dentistry.

Tuesday, November 11, 2014

Alexandria International Dental congress

This is the first post I am sharing about my lecturing experience. The 19th AIDC 2014 Dental Congress under the name of " Technology meets Challenges" was held in Alexandria, the 2nd largest city and the main port of Egypt. The organization was great and a lot of work has been done so it was obvious. The take home lesson from the congress was the importance of selecting the lecture's title. Most of the attendees do not know all of the speakers clinical and lectural background. It was clear that the  number of attendance was primarily based on the titles of the presentations . One of the lectures was titled "Ancient Dentistry"; this title was enough to determine the number of attendees in the Auditorium.On the other side, modern catchy dental subjects were able to fire the enthusiasm of the young dental generation to fill the auditoriums. My lecture title was " Progressive Smile Design,Inman Aligner Workflow". The Auditorium was full and you can tell if the presentation was successful or not by the feedback of the attendees coming to you after the lecture asking questions and showing interest to learn more about the subject presented.    
 A big thank you to all AIDC 2014 organizers and especially to Dr Mohamad Moataz Khamis,prof of Prosthodontics at Alexandria University Faculty of Dentistry.

Pictures from up down
1- pic 1—4. The lecturing auditorium 
2- pic 5 The Congress Venue from outside 
3- pic 6  Typical Egyptian Taxi 

Wednesday, March 19, 2014

Local anesthetic solution

Root canal therapy is painful but not if the patient was anesthetized very well. Today, we have a revolution in the dental material market. Solutions are always available , but you have to look into it.

Onset from Onpharma is an anesthetic product used in root canal treatments. It works by replacing a small amount of the acidic anesthetic (PH3.5) with sodium bicarbonate (PH8.4) via a mixing pen in a standard lidocain cartridge.

Benefit: This Buffered anesthetic has PH closer to the patient physiological PH allowing for more comfortable injection and shorter latency period for onset of anesthetic.


Endolce: check the sensitivity of the pulp after anesthesia by using ENDOLCE;pulp sensitivity tester.

Keywords: Endolce ,  Onset, Onpharma

Friday, January 31, 2014

Quick tip/ Necrotic pulp treatment

Necrotic pulp treatment: 

  1. Canal irrigated with 5.25 % NaOCL for 15 minutes
  2. Dry well with paper points  
  3. apply a mixture of ciprofloxacin ,metronidazole and minocycline paste as described by Hoshino et al(creamy consistency and spin down the canal with lentulo to depth of 8mm)
  4. recall,remove  preparation,irrigate,dry and obturate

Monday, December 16, 2013

There is an immense need to change the way the public views dental work.We as dentists must take to our responsibilities the task of  transforming the way the public experience dental treatments.
Luxury in Dentistry.More people are going beyond "traditional dentistry".A patient is catching up with her favorite  TV program while going through teeth whitening.No pain, no drilling , 
and instant results.Pamper yourself at Dental SPA and get a white teeth for this summer

Dr RAMI CHAYAH DMD




Thursday, October 24, 2013

Teeth whitening

There are 2 methods to choose from

1) In Office: It is a light enhanced technique done in clinic. It saves lots of time for the patient since the result is instant. Excellent option for busy people who want the result same day.

2) At home: The patient put the whitening gel himself at home in a pre- fabricated customized trays.It takes up to 21 days to get the final result.

Before doing any of them ,Dentist must check your teeth to observe any decays,stains and exposed dentin. This determines if there is potential sensitivity,treatment duration and expected result.

The procedure for:
1) In office: A whitening gel is applied to your teeth .Photos  of before situation are taken to compare the effectiveness after the treatment. Gum and lips are protected  and a coat of hydrogen peroxide is applied on teeth for 20 minutes to be removed for another coat since hydrogen peroxide gets deactivated in max 30 mins. Up to 4 coats can be applied depending on each situation.
2) At home: Two whitening trays are delivered to the patient for use at home. A whitening gel is given to be applied home.The whitening gel  can be applied for 30 minutes  every night before bedtime up to 21 days.

Now to get the best result, I use my own protocol in my practice. Most of the time the two techniques are recommended. I always ask the patient to keep the at home trays for later touch ups(maintenance). Touch ups differ from case to case.It could be every 6 months or every one year. It depends on each patient situation and life style.
Pictures are for real patient of mine

Disclaimer:This procedure should be done under the observation of a specialist. Don't try to do the above mentioned procedure at home alone. I take no responsibility for any misuse or misunderstanding. Always contact your dentist for any medical use or advise.

Dr RAMI CHAYAH DMD
Contact info: dental.spa@hotmail.com
                       tel 00961 7 754991